{"id":280,"date":"2016-10-07T17:49:02","date_gmt":"2016-10-07T14:49:02","guid":{"rendered":"https:\/\/web-mng.iptp.com\/?page_id=280"},"modified":"2026-01-15T05:58:59","modified_gmt":"2026-01-15T02:58:59","slug":"ip-calculator","status":"publish","type":"page","link":"https:\/\/www.iptp.us\/vi\/iptp-tools\/ip-calculator\/","title":{"rendered":"C\u00f4ng c\u1ee5 IP Subnet Calculator"},"content":{"rendered":"<div class=\"section\">\r\n  <div class=\"inner\">\r\n    <div class=\"subtitle text-center\"><a href=\"https:\/\/www.iptp.us\/vi\/products-and-services-ecosystem\/\"><span>S&#7843;n ph&#7849;m v&agrave; D&#7883;ch v&#7909;<\/span><\/a><\/div>\r\n    <h2 class=\"text-center\">Kh&aacute;m ph&aacute; c&aacute;c gi&#7843;i ph&aacute;p m&#7841;ng IPTP<\/h2>\r\n    <p class=\"text-center\">\r\n      Ch&uacute;ng t&ocirc;i l&agrave; nh&agrave; cung c&#7845;p d&#7883;ch v&#7909; Internet h&agrave;ng &#273;&#7847;u, <br>t&iacute;ch h&#7907;p h&#7879; th&#7889;ng, m&#7841;ng &#273;&#417;n l&#7867; Tier-1, v&agrave; nh&oacute;m doanh nghi&#7879;p ph&aacute;t tri&#7875;n ph&#7847;n m&#7873;m to&agrave;n c&#7847;u v&#7899;i &#273;a &#273;i&#7875;m hi&#7879;n di&#7879;n tr&ecirc;n to&agrave;n th&#7871; gi&#7899;i.    \r\n    <\/p>\r\n    <div class=\"row row-cols-lg-4 row-cols-sm-2 row-cols-1 g-4 solutions-list pb-3 pt-3\">\r\n        <div class=\"col\">\r\n          <div class=\"solutions-list__item lift\">\r\n            <div class=\"solutions-list__item--body\">\r\n             <div class=\"--icon\"><img class=\"lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" data-src=\"\/wp-content\/uploads\/connectivity-icon-w.svg\" alt=\"Connectivity\"><\/div>\r\n            <div class=\"solutions-list__item-title\"><a href=\"https:\/\/www.iptp.us\/vi\/network\/connectivity-services\/\" class=\"stretched-link\">K&#7871;t n&#7889;i<\/a><\/div>\r\n             <div class=\"solutions-list__item-desc\">\r\n\r\n\r\n\r\n             <!-- <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/direct-internet-access\/\">DIA<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/ip-transit\/\">IP transit<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/ix-transit\/\">IX transit<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-dia\/\">Remote DIA<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-ix\/\">Remote IX<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-ix-transit\/\">Remote IX Transit<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/business-solutions\/managed-services\/dmms\/\">DDoS mitigation (DMMS)<\/a> -->\r\n\r\n                                                  <a href=\"https:\/\/www.iptp.us\/vi\/blog\/what-is-mpls-multiprotocol-label-switching\/\">MPLS, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/blog\/what-is-iplc\/\">IPLC, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/blog\/what-is-epl\/\">EPL\/IEPL, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/connectivity-services\/\">K&ecirc;nh thu&ecirc; ri&ecirc;ng, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/connectivity-services\/eompls-pseudowire-service\/\">EoMPLS Pseudowire, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/direct-connection-to-cloud-providers\/\">K&#7871;t n&#7889;i &#273;&aacute;m m&acirc;y, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/jumbo-internet-exchange\/\">JumboIX, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/low-latency-routes\/\">B&#7897; &#273;&#7883;nh tuy&#7871;n tr&#7877;<\/a>\r\n                              \r\n\r\n             <\/div>\r\n             \r\n            <\/div>\r\n            <div class=\"solutions-list__item--bottom\">\r\n              <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/\" class=\"underline --gray crcl\">T&igrave;m hi&#7875;u th&ecirc;m<\/a>\r\n            <\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"col\">\r\n          <div class=\"solutions-list__item lift\">\r\n            <div class=\"solutions-list__item--body\">\r\n            \r\n             <div class=\"--icon\"><img class=\"lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" data-src=\"\/wp-content\/uploads\/bestpath2.svg\" alt=\"Internet\"><\/div>\r\n              \r\n              <div class=\"solutions-list__item-title\"><a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/\" class=\"\">Internet<\/a><\/div>\r\n              <div class=\"solutions-list__item-desc\">\r\n\r\n              <!-- <a href=\"https:\/\/www.iptp.us\/vi\/direct-connection-to-cloud-providers\/\">Cloud Connect<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/what-is-epl\/\">EPL\/IEPL<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/what-is-iplc\/\">Leased Line<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/connectivity-services\/eompls-pseudowire-service\/\">EoMPLS Pseudowire<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/jumbo-internet-exchange\/\">JumboIX<\/a> -->\r\n\r\n\r\n                                                  <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/ip-transit\/\">IP transit, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/direct-internet-access\/\">Truy c&#7853;p Internet tr&#7921;c ti&#7871;p, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/ix-transit\/\">IX transit, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-dia\/\">Truy nh&#7853;p Internet t&#7915; xa, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-ix\/\">Remote IX, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/remote-ix-transit\/\">Remote IX transit, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/\">Remote IP transit, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/business-solutions\/managed-services\/dmms\/\">Gi&#7843;m thi&#7875;u DDoS (DMMS), <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/ip-addresses\/\">IPv4\/IPv6 services<\/a>\r\n                              \r\n\r\n\r\n\r\n              <\/div>\r\n             \r\n            <\/div>\r\n            <div class=\"solutions-list__item--bottom\">\r\n              <a href=\"https:\/\/www.iptp.us\/vi\/network\/connectivity-services\/\" class=\"underline --gray crcl\">T&igrave;m hi&#7875;u th&ecirc;m<\/a>\r\n            <\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"col\">\r\n          <div class=\"solutions-list__item lift\">\r\n            <div class=\"solutions-list__item--body\">\r\n            <div class=\"--icon\"><img class=\"lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" data-src=\"\/wp-content\/uploads\/data-center-icon.svg\" alt=\"colo\"><\/div>\r\n              <div class=\"solutions-list__item-title\"><a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/\" class=\"stretched-link\">Trung t&acirc;m<br> d&#7919; li&#7879;u<\/a><\/div>\r\n\r\n              <div class=\"solutions-list__item-desc\">\r\n\r\n              <!-- <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/colocation\/\">Colocation<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/virtual-pop\/\">VPOP (Virtual POP)<\/a>, <a href=\"javascript:void(0)\">Cross Connect<\/a>, <a href=\"javascript:void(0)\">Metro Connect<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/remote-hands\/\">Remote\/Smart Hands<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/global-logistics\/ior-eor\/\">Logistics Export\/Import<\/a> -->\r\n\r\n\r\n                                                  <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/colocation\/\">Thu&ecirc; v&#7883; tr&iacute; l&#432;u tr&#7919;, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/internet-access\/virtual-pop\/\">POP &#7843;o (Virtual POP), <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/matrix4\/\">DC Matrix 4 (Amsterdam), <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/k1\/\">DC Kermia 1 (Limassol), <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/hosting\/si\/\">DC San Isidro (Lima), <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/\">K&#7871;t n&#7889;i ch&eacute;o, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/\">Metro Connect, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/remote-hands\/\">H&#7895; tr&#7907; k&#7929; thu&#7853;t t&#7915; xa, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/global-logistics\/ior-eor\/\">Xu&#7845;t kh&#7849;u\/Nh&#7853;p kh&#7849;u, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/global-logistics\/warehouse-storage\/\">Warehouse Storage<\/a>\r\n                              \r\n\r\n\r\n\r\n              <\/div>\r\n            \r\n            <\/div>\r\n            <div class=\"solutions-list__item--bottom\">\r\n              <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/\" class=\"underline --gray crcl\">T&igrave;m hi&#7875;u th&ecirc;m<\/a>\r\n            <\/div>\r\n          <\/div>\r\n        <\/div>\r\n        <div class=\"col\">\r\n          <div class=\"solutions-list__item lift\">\r\n            <div class=\"solutions-list__item--body\">\r\n            <div class=\"--icon\"><img class=\"lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" data-src=\"\/wp-content\/uploads\/colo-icon.svg\" alt=\"managed\"><\/div>\r\n              <div class=\"solutions-list__item-title\"><a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/dedicated-hosting\/\">D&#7883;ch v&#7909;<br>Dedicated Hosting<\/a><\/div>\r\n              <div class=\"solutions-list__item-desc\">\r\n\r\n              <!-- <a href=\"https:\/\/www.iptp.us\/vi\/network\/locations\/\">Dedicated Server Hosting<\/a>, <a href=\"javascript:void(0)\">GPU<\/a>, <a href=\"javascript:void(0)\">AI<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/global-logistics\/warehouse-storage\/\">Storage<\/a>, <a href=\"javascript:void(0)\">Switch<\/a>, <a href=\"javascript:void(0)\">Router<\/a>, <a href=\"javascript:void(0)\">Firewall<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/edge-computing\/\">Edge Computing<\/a>, <a href=\"https:\/\/www.iptp.us\/vi\/business-solutions\/office-solutions\/remote-office\/\">Remote Office<\/a>  --> \r\n\r\n              \r\n\r\n                                                  <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/edge-computing\/\">&#272;i&#7879;n to&aacute;n bi&ecirc;n, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/business-solutions\/office-solutions\/remote-office\/\">M&aacute;y t&iacute;nh t&#7915; xa, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/private-cloud\/\">L&#432;u tr&#7919; &#272;&aacute;m m&acirc;y ri&ecirc;ng, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/business-solutions\/integration-services\/sd-wan-enabler\/\">SD-WAN Enabler, <\/a>\r\n                                    <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/dedicated-hosting\/\">Ph&#7847;n m&#7873;m<\/a>\r\n                              \r\n\r\n\r\n                                            \r\n\r\n              <\/div>\r\n            \r\n            <\/div>\r\n            <div class=\"solutions-list__item--bottom\">\r\n              <a href=\"https:\/\/www.iptp.us\/vi\/network\/datacenter-services\/dedicated-hosting\/\" class=\"underline --gray crcl\">T&igrave;m hi&#7875;u th&ecirc;m<\/a>\r\n            <\/div>\r\n          <\/div>\r\n        <\/div>\r\n      <\/div>\r\n\r\n            <p class=\"pt-5 mb-0 text-center\">\r\n        <!-- <a href=\"https:\/\/www.iptp.us\/vi\/request-a-quote\/\" class=\"btn-outline-primary --gray\">Y&ecirc;u c&#7847;u b&aacute;o gi&aacute;<\/a> -->\r\n        <a href=\"#\" class=\"btn-outline-primary --gray js_btn_request_form_all\">Y&ecirc;u c&#7847;u b&aacute;o gi&aacute;<\/a>\r\n      <\/p>\r\n   \r\n  <\/div>\r\n<\/div><div class=\"section\">\n<div class=\"inner\">\n<div class=\"subtitle\"><span>Overview<\/span><\/div>\n<h4>Gi&#7899;i thi&#7879;u v&#7873; M&aacute;y t&iacute;nh m&#7841;ng con IP<\/h4>\n<div class=\"accordion ip-subnet\" id=\"accordionPanelsStayOpenExample\">\n<div class=\"accordion-item\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#introduction\" aria-expanded=\"false\" aria-controls=\"introduction\">Gi&#7899;i thi&#7879;u<\/button><\/div>\n<div id=\"introduction\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n            IP Subnet Calculator\n<ul>\n<li>C&ocirc;ng c&#7909; t&iacute;nh to&aacute;n m&#7841;ng<\/li>\n<li>Qu&#7843;n l&yacute; m&#7841;ng hi&#7879;u qu&#7843;.<\/li>\n<\/ul>\n<p>            T&#7841;i sao l&#7841;i c&#7847;n &#273;&#7871;n IP Subnet Calculator?<\/p>\n<ul>\n<li>T&iacute;nh to&aacute;n m&#7841;ng con d&#7877; d&agrave;ng.<\/li>\n<li>Ph&acirc;n chia m&#7841;ng nhanh ch&oacute;ng.<\/li>\n<li>C&ocirc;ng c&#7909; &#273;a n&#259;ng cho troubleshooting v&agrave; thi&#7871;t k&#7871; m&#7841;ng.<\/li>\n<li>Hi&#7875;n th&#7883; &#273;&#7883;a ch&#7881; IP ng&#7851;u nhi&ecirc;n cho gi&#7843;ng d&#7841;y v&agrave; nghi&ecirc;n c&#7913;u.<\/li>\n<\/ul><\/div>\n<\/div>\n<\/div>\n<div id=\"ipv4-sec2\" class=\"accordion-item targetDiv\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#use-ipv4-sec2\" aria-expanded=\"false\" aria-controls=\"use-ipv4-sec2\">C&aacute;ch s&#7917; d&#7909;ng<\/button><\/div>\n<div id=\"use-ipv4-sec2\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n<p><strong>H&#432;&#7899;ng d&#7851;n t&#7915;ng b&#432;&#7899;c &#273;&#7875; s&#7917; d&#7909;ng c&ocirc;ng c&#7909; IPv4 Subnet Calculator c&#7911;a IPTP Networks.<\/strong><\/p>\n<p>C&aacute;c b&#432;&#7899;c s&#7917; d&#7909;ng IPv4 Subnet Calculator:<\/p>\n<ul>\n<li>Ch&#7885;n Network Class (A, B, ho&#7863;c C) b&#7857;ng c&aacute;ch nh&#7845;p v&agrave;o t&ugrave;y ch&#7885;n t&#432;&#417;ng &#7913;ng: A (8 bit), B (16 bit), ho&#7863;c C (24 bit).<\/li>\n<li>Nh&#7853;p IP address ho&#7863;c s&#7917; d&#7909;ng &#273;&#7883;a ch&#7881; IP c&oacute; s&#7861;n &#273;&#7875; t&iacute;nh to&aacute;n trong c&ocirc;ng c&#7909;.<\/li>\n<li>Ch&#7885;n Subnet t&#7915; danh s&aacute;ch Network Class (A, B, ho&#7863;c C) b&#7857;ng c&aacute;ch nh&#7845;p v&agrave;o Subnet mong mu&#7889;n.<\/li>\n<li>Nh&#7845;n &ldquo;Calculate&rdquo; &#273;&#7875; t&iacute;nh to&aacute;n gi&aacute; tr&#7883; m&#7841;ng v&agrave; IP.<\/li>\n<\/ul>\n<p>            C&aacute;c d&#7919; li&#7879;u IPv4 Subnet Calculator c&#7847;n &#273;&#7875; t&iacute;nh:<\/p>\n<p>            <strong>IP address:<\/strong> IPv4 s&#7917; d&#7909;ng &#273;&#7883;a ch&#7881; 32 bit v&agrave; c&oacute; th&#7875; bi&#7875;u di&#7877;n b&#7857;ng 232 gi&aacute; tr&#7883; kh&aacute;c nhau. &#272;&#7883;a ch&#7881; &#273;&#432;&#7907;c chia th&agrave;nh 4 octet, m&#7895;i octet c&oacute; gi&aacute; tr&#7883; t&#7915; 0 &#273;&#7871;n 255 v&agrave; &#273;&#432;&#7907;c ng&#259;n c&aacute;ch b&#7857;ng d&#7845;u ch&#7845;m (.).<\/p>\n<p>            <strong>Network class:<\/strong> Network Class: M&#7841;ng &#273;&#432;&#7907;c chia th&agrave;nh ba l&#7899;p ch&iacute;nh: L&#7899;p A, L&#7899;p B v&agrave; L&#7899;p C. M&#7841;ng l&#7899;p A s&#7917; d&#7909;ng 8 bit &#273;&#7847;u ti&ecirc;n c&#7911;a &#273;&#7883;a ch&#7881; IP l&agrave;m ph&#7847;n m&#7841;ng c&#7911;a n&oacute;, m&#7841;ng l&#7899;p B s&#7917; d&#7909;ng 16 bit &#273;&#7847;u ti&ecirc;n v&agrave; m&#7841;ng l&#7899;p C s&#7917; d&#7909;ng 24 bit &#273;&#7847;u ti&ecirc;n.<\/p>\n<p>            <strong>Subnet:<\/strong> Subnet Mask + CIDR notation.<\/p><\/div>\n<\/div>\n<\/div>\n<div id=\"ipv6-sec2\" class=\"accordion-item targetDiv d-none\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#use-ipv6-sec2\" aria-expanded=\"false\" aria-controls=\"use-ipv6-sec2\">C&aacute;ch s&#7917; d&#7909;ng<\/button><\/div>\n<div id=\"use-ipv6-sec2\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n<p class=\"fw-bold\">3 b&#432;&#7899;c t&iacute;nh m&#7841;ng con IPv6.<\/p>\n<p>            <strong>C&aacute;c b&#432;&#7899;c s&#7917; d&#7909;ng IPv6 Subnet Calculator:<\/strong><\/p>\n<ol>\n<li>Nh&#7853;p &#273;&#7883;a ch&#7881; IP ho&#7863;c IPv6 v&agrave;o &ocirc; &ldquo;IP Address&rdquo;.<\/li>\n<li>Ch&#7885;n &#273;&#7897; d&agrave;i ti&#7873;n t&#7889; t&#7915; \/1 &#273;&#7871;n \/128.<\/li>\n<li>Nh&#7845;p &ldquo;Calculate&rdquo;.<\/li>\n<\/ol>\n<p class=\"fw-bold\">IPv6 Subnet Calculator ch&#7881; y&ecirc;u c&#7847;u 2 thu&#7897;c t&iacute;nh &#273;&#7875; t&iacute;nh:<\/p>\n<p>            <strong>&bull; Prefix Length:<\/strong> Prefix Length IPv6 t&#7915; 1 &#273;&#7871;n 128, bao g&#7891;m 4 octet.<\/p>\n<p>            <strong>&bull; IP Address:<\/strong> &#272;&#7883;a ch&#7881; IPv6 vi&#7871;t d&#432;&#7899;i d&#7841;ng th&#7853;p l&#7909;c ph&acirc;n v&#7899;i 8 nh&oacute;m 16 bit, gi&#7919;a m&#7895;i nh&oacute;m c&oacute; d&#7845;u hai ch&#7845;m. M&#7895;i nh&oacute;m c&oacute; gi&aacute; tr&#7883; t&#7915; 0000 &#273;&#7871;n ffff.\n          <\/p><\/div>\n<\/div>\n<\/div>\n<div id=\"ipv4-sec3\" class=\"accordion-item targetDiv\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#results-ipv4-sec3\" aria-expanded=\"false\" aria-controls=\"results-ipv4-sec3\">K&#7871;t qu&#7843;<\/button><\/div>\n<div id=\"results-ipv4-sec3\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n            C&ocirc;ng c&#7909; IPv4 Subnet Calculator s&#7869; s&#7917; d&#7909;ng th&ocirc;ng tin &#273;&oacute; &#273;&#7875; t&iacute;nh to&aacute;n v&agrave; hi&#7875;n th&#7883; th&ocirc;ng tin to&agrave;n di&#7879;n v&#7873;:\n<ul>\n<li><strong>Network Address (&#272;&#7883;a ch&#7881; m&#7841;ng):<\/strong> Ph&#7847;n &#273;&#7847;u ti&ecirc;n c&#7911;a subnet mask v&agrave; IP Address gi&#7889;ng nhau.<\/li>\n<li><strong>Broadcast Address (&#272;&#7883;a ch&#7881; qu&#7843;ng b&aacute;):<\/strong> &#272;&#7883;a ch&#7881; cu&#7889;i c&ugrave;ng tr&ecirc;n m&#7841;ng con &#273;&#7875; g&#7917;i d&#7919; li&#7879;u &#273;&#7871;n t&#7845;t c&#7843; c&aacute;c m&aacute;y ch&#7911; tr&ecirc;n m&#7841;ng con.<\/li>\n<li><strong>Total Number of Hosts:<\/strong> T&#7893;ng s&#7889; &#273;&#7883;a ch&#7881; m&aacute;y ch&#7911; tr&ecirc;n m&#7841;ng.<\/li>\n<li><strong>Usable Host IP Range (D&#7843;i IP m&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng):<\/strong>D&#7843;i IP m&aacute;y ch&#7911; s&#7917; d&#7909;ng, t&#7915; &#273;&#7883;a ch&#7881; sau &#273;&#7883;a ch&#7881; m&#7841;ng &#273;&#7871;n tr&#432;&#7899;c &#273;&#7883;a ch&#7881; qu&#7843;ng b&aacute;.<\/li>\n<li><strong>Number of Usable Hosts (&#272;&#7883;a ch&#7881; c&oacute; th&#7875; &#273;&#432;&#7907;c ch&#7881; &#273;&#7883;nh cho m&aacute;y ch&#7911;):<\/strong> S&#7889; &#273;&#7883;a ch&#7881; m&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng, kh&ocirc;ng t&iacute;nh &#273;&#7883;a ch&#7881; m&#7841;ng v&agrave; qu&#7843;ng b&aacute;.<\/li>\n<li><strong>Wildcard Mask:<\/strong> L&agrave; c&aacute;c bit &#273;&#7843;o ng&#432;&#7907;c c&#7911;a subnet mask, d&ugrave;ng cho OSPF v&agrave; ACL.<\/li>\n<li><strong>Binary Subnet Mask:<\/strong> Subnet mask &#7903; d&#7841;ng nh&#7883; ph&acirc;n.<\/li>\n<li><strong>IP Class:<\/strong> &#272;&#7883;a ch&#7881; IP &#273;&#432;&#7907;c ph&acirc;n th&agrave;nh 5 l&#7899;p (A &#273;&#7871;n E). L&#7899;p D d&agrave;nh cho multicast v&agrave; l&#7899;p E d&#7921; tr&#7919; cho t&#432;&#417;ng lai.<\/li>\n<li><strong>CIDR Notation:<\/strong> &#272;&#7883;a ch&#7881; IP vi&#7871;t d&#432;&#7899;i d&#7841;ng s&#7889; CIDR v&#7899;i d&#7845;u g&#7841;ch ch&eacute;o (\/).<\/li>\n<li><strong>IP Type:<\/strong> C&ocirc;ng c&#7897;ng ho&#7863;c ri&ecirc;ng t&#432;.<\/li>\n<li><strong>Binary ID:<\/strong> &#272;&#7883;a ch&#7881; IP &#7903; d&#7841;ng nh&#7883; ph&acirc;n ch&#7881; g&#7891;m s&#7889; 0 v&agrave; 1.<\/li>\n<li><strong>Integer ID:<\/strong> &#272;&#7883;a ch&#7881; IP &#7903; d&#7841;ng s&#7889; nguy&ecirc;n t&#7915; 0 &#273;&#7871;n 9.<\/li>\n<li><strong>Hex ID:<\/strong> &#272;&#7883;a ch&#7881; IP th&#7853;p l&#7909;c ph&acirc;n, b&#7855;t &#273;&#7847;u b&#7857;ng &ldquo;0x&rdquo;, bao g&#7891;m s&#7889; t&#7915; 0-9 v&agrave; ch&#7919; c&aacute;i t&#7915; A-F.<\/li>\n<li><strong>In-addr.arpa:<\/strong> T&ecirc;n mi&#7873;n DNS ng&#432;&#7907;c, ch&#7913;a &#273;&#7883;a ch&#7881; IP theo th&#7913; t&#7921; ng&#432;&#7907;c. V&iacute; d&#7909;: 154.101.78.27.in-addr.arpa cho &#273;&#7883;a ch&#7881; IP 27.78.101.154.<\/li>\n<li><strong>IPv4 Mapped Address:<\/strong> Bi&#7875;u di&#7877;n &#273;&#7883;a ch&#7881; IPv4 32 bit d&#432;&#7899;i d&#7841;ng &#273;&#7883;a ch&#7881; IPv6 128 bit. B&#7855;t &#273;&#7847;u v&#7899;i 80 bit &ldquo;0&rdquo;, sau &#273;&oacute; l&agrave; 16 bit &ldquo;1&rdquo; (t&#432;&#417;ng &#273;&#432;&#417;ng v&#7899;i &ldquo;FFFF&rdquo; trong h&#7879; th&#7853;p l&#7909;c ph&acirc;n) v&agrave; cu&#7889;i c&ugrave;ng l&agrave; &#273;&#7883;a ch&#7881; IPv4 32 bit ban &#273;&#7847;u &#273;&#432;&#7907;c vi&#7871;t d&#432;&#7899;i d&#7841;ng th&#7853;p l&#7909;c ph&acirc;n..<\/li>\n<li><strong>6to4 Prefix:<\/strong> L&#432;&#7907;c &#273;&#7891; chuy&#7875;n &#273;&#7893;i IPv4 sang IPv6. B&#7855;t &#273;&#7847;u v&#7899;i &ldquo;2002&rdquo; v&agrave; ti&#7871;p theo l&agrave; &#273;&#7883;a ch&#7881; IPv4 32 bit ban &#273;&#7847;u &#7903; d&#7841;ng th&#7853;p l&#7909;c ph&acirc;n.<\/li>\n<\/ul><\/div>\n<\/div>\n<\/div>\n<div id=\"ipv6-sec3\" class=\"accordion-item targetDiv d-none\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#results-ipv6-sec3\" aria-expanded=\"false\" aria-controls=\"results-ipv6-sec3\">K&#7871;t qu&#7843;<\/button><\/div>\n<div id=\"results-ipv6-sec3\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n<ul>\n<li><strong>IP Address:<\/strong> N&oacute; hi&#7875;n th&#7883; &#273;&#7883;a ch&#7881; IP, theo sau l&agrave; &#273;&#7897; d&agrave;i ti&#7873;n t&#7889; (prefix length). &#272;&#7897; d&agrave;i &#273;&#7883;a ch&#7881; IP &#273;&#432;&#7907;c r&uacute;t ng&#7855;n, th&#432;&#7901;ng b&#7857;ng c&aacute;ch b&#7887; qua c&aacute;c s&#7889; 0.<\/li>\n<li><strong>Full IP Address:<\/strong> &#272;&#7883;a ch&#7881; IPv6 &#273;&#432;&#7907;c vi&#7871;t &#273;&#7847;y &#273;&#7911; b&#7857;ng 32 bit kh&ocirc;ng r&uacute;t ng&#7855;n &#273;&#7897; d&agrave;i.<\/li>\n<li><strong>Total IP Addresses:<\/strong> T&#7893;ng s&#7889; &#273;&#7883;a ch&#7881; host c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c tr&ecirc;n m&#7841;ng IPv6 &#273;&oacute;.<\/li>\n<li><strong>Total \/64 Networks:<\/strong> T&#7893;ng s&#7889; \/ 64 subnet tr&ecirc;n m&#7841;ng &#273;&oacute; (trong Ipv6, m&#7863;t n&#7841; m&#7841;ng con m&#7863;c &#273;&#7883;nh (default subnet mask) l&agrave; \/ 64).<\/li>\n<li><strong>Network:<\/strong> K&#7871;t qu&#7843; n&agrave;y &#273;&#7841;i di&#7879;n cho &#273;&#7883;a ch&#7881; m&#7841;ng, g&#7891;m b&#7897; ba s&#7889; &#273;&#7847;u ti&ecirc;n c&#7911;a subnet mask (48 bit &#273;&#7847;u ti&ecirc;n) &#273;&#432;&#7907;c vi&#7871;t b&#7857;ng k&yacute; hi&#7879;u CIDR.<\/li>\n<li><strong>IP Range:<\/strong> d&#7843;i &#273;&#7883;a ch&#7881; IPv6 c&oacute; th&#7875; &#273;&#432;&#7907;c g&aacute;n cho c&aacute;c m&aacute;y ch&#7911;.<\/li>\n<\/ul><\/div>\n<\/div>\n<\/div>\n<div class=\"accordion-item\">\n<div class=\"accordion-header\"><button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\" data-bs-target=\"#subneting\" aria-expanded=\"false\" aria-controls=\"subneting\">M&#7841;ng con<\/button><\/div>\n<div id=\"subneting\" class=\"accordion-collapse collapse\">\n<div class=\"accordion-body\">\n            M&#7841;ng con (Subnet) l&agrave; m&#7897;t ph&#7847;n nh&#7887; c&#7911;a m&#7841;ng IP, &#273;&#432;&#7907;c t&#7841;o b&#7857;ng c&aacute;ch chia m&#7841;ng g&#7889;c th&agrave;nh c&aacute;c m&#7841;ng con.\n<p>            Subnetting l&agrave; t&#7841;o c&aacute;c m&#7841;ng con &#273;&#7875; gi&#7843;m l&#432;u l&#432;&#7907;ng v&agrave; t&#259;ng t&#7889;c &#273;&#7897; m&#7841;ng b&#7857;ng c&aacute;ch t&aacute;ch m&#7841;ng l&#7899;n th&agrave;nh m&#7841;ng nh&#7887; h&#417;n, gi&#7843;m s&#7889; &#273;&#432;&#7901;ng &#273;i &#273;&#7875; x&aacute;c &#273;&#7883;nh v&#7883; tr&iacute; thi&#7871;t b&#7883;.<\/p>\n<p>            Thi&#7871;t b&#7883; c&oacute; m&#7863;t n&#7841; m&#7841;ng con &#273;&#7875; x&aacute;c &#273;&#7883;nh ph&#7847;n &#273;&#7883;a ch&#7881; IP thu&#7897;c v&#7873; m&#7841;ng v&agrave; ph&#7847;n thu&#7897;c v&#7873; thi&#7871;t b&#7883;. C&#7847;n c&oacute; gateway &#273;&#7875; k&#7871;t n&#7889;i v&#7899;i c&aacute;c m&#7841;ng kh&aacute;c v&agrave; g&#7917;i th&ocirc;ng tin &#273;&#7871;n &#273;&iacute;ch cu&#7889;i c&ugrave;ng.<\/p>\n<p>            IP l&agrave; giao th&#7913;c cho thi&#7871;t b&#7883; giao ti&#7871;p qua Internet. &#272;&#7883;a ch&#7881; IP c&oacute; IPv4 (32 bit) v&agrave; IPv6 (128 bit). M&#7895;i thi&#7871;t b&#7883; c&oacute; &#273;&#7883;a ch&#7881; IP ri&ecirc;ng, g&#7891;m ph&#7847;n host v&agrave; m&#7841;ng network.<\/p>\n<p>            CIDR x&aacute;c &#273;&#7883;nh network v&agrave; host qua network address v&agrave; host address. Trong subnet, c&aacute;c thi&#7871;t b&#7883; c&oacute; c&ugrave;ng network address v&agrave; &#273;&#7883;a ch&#7881; host ri&ecirc;ng.<\/p>\n<p>            CIDR l&agrave; ti&ecirc;u chu&#7849;n bi&#7875;u di&#7877;n m&#7897;t kh&#7889;i &#273;&#7883;a ch&#7881; IP. &#272;&#7883;a ch&#7881; IP CIDR bao g&#7891;m &#273;&#7883;a ch&#7881; IP v&agrave; ti&#7873;n t&#7889; m&#7841;ng IP (d&#7845;u g&#7841;ch ch&eacute;o v&agrave; s&#7889; nguy&ecirc;n).<\/p>\n<p>            C&oacute; 3 l&#7899;p m&#7841;ng con ph&#7893; bi&#7871;n: A, B v&agrave; C, m&#7895;i l&#7899;p t&#432;&#417;ng &#7913;ng v&#7899;i m&#7897;t d&#7843;i &#273;&#7883;a ch&#7881; IP v&agrave; m&#7863;t n&#7841; m&#7841;ng con m&#7863;c &#273;&#7883;nh.<\/p>\n<p>            <strong>B&#7843;ng d&#432;&#7899;i &#273;&acirc;y cung c&#7845;p th&ocirc;ng tin v&#7873; m&#7841;ng con IPv4:<\/strong><\/p>\n<div class=\"row row-cols-1 row-cols-md-2 gx-4 gy-2\">\n<div class=\"col\">\n<div class=\"text-primary table-title-1\">Class A<\/div>\n<table class=\"table table-sm d-none d-md-table\">\n<thead>\n<tr>\n<th scope=\"col\">K&iacute;ch th&#432;&#7899;c ti&#7873;n t&#7889;\/<br>K&yacute; hi&#7879;u CIDR<\/th>\n<th scope=\"col\">M&#7863;t n&#7841; m&#7841;ng<\/th>\n<th scope=\"col\">M&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">1<\/th>\n<td>128.0.0.0<\/td>\n<td>2,147,483,646<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">2<\/th>\n<td>192.0.0.0<\/td>\n<td>1,073,741,822<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">3<\/th>\n<td>224.0.0.0<\/td>\n<td>536,870,910<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">4<\/th>\n<td>240.0.0.0<\/td>\n<td>268,435,454<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">5<\/th>\n<td>248.0.0.0<\/td>\n<td>134,217,726<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">6<\/th>\n<td>252.0.0.0<\/td>\n<td>67,108,862<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">7<\/th>\n<td>254.0.0.0<\/td>\n<td>33,554,430<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"table table-sm d-md-none\">\n<thead>\n<tr>\n<th scope=\"col\">K&iacute;ch th&#432;&#7899;c ti&#7873;n t&#7889;\/<br>K&yacute; hi&#7879;u CIDR<\/th>\n<th scope=\"col\">M&#7863;t n&#7841; m&#7841;ng<\/th>\n<th scope=\"col\">M&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">1<\/th>\n<td>128.0.0.0<\/td>\n<td>2,147,483,646<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">2<\/th>\n<td>192.0.0.0<\/td>\n<td>1,073,741,822<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">3<\/th>\n<td>224.0.0.0<\/td>\n<td>536,870,910<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">4<\/th>\n<td>240.0.0.0<\/td>\n<td>268,435,454<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">5<\/th>\n<td>248.0.0.0<\/td>\n<td>134,217,726<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">6<\/th>\n<td>252.0.0.0<\/td>\n<td>67,108,862<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">7<\/th>\n<td>254.0.0.0<\/td>\n<td>33,554,430<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">8<\/th>\n<td>255.0.0.0<\/td>\n<td>16,777,214<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">9<\/th>\n<td>255.128.0.0<\/td>\n<td>8,388,606<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">10<\/th>\n<td>255.192.0.0<\/td>\n<td>4,194,302<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">11<\/th>\n<td>255.224.0.0<\/td>\n<td>2,097,150<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">12<\/th>\n<td>255.240.0.0<\/td>\n<td>1,048,574<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">13<\/th>\n<td>255.248.0.0<\/td>\n<td>524,286<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">14<\/th>\n<td>255.252.0.0<\/td>\n<td>262,142<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">15<\/th>\n<td>255.254.0.0<\/td>\n<td>131,070<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"col\">\n<div class=\"text-primary table-title-1 d-none d-md-block\">Class A<\/div>\n<table class=\"table table-sm d-none d-md-table\">\n<thead>\n<tr>\n<th scope=\"col\">K&iacute;ch th&#432;&#7899;c ti&#7873;n t&#7889;\/<br>K&yacute; hi&#7879;u CIDR<\/th>\n<th scope=\"col\">M&#7863;t n&#7841; m&#7841;ng<\/th>\n<th scope=\"col\">M&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">8<\/th>\n<td>255.0.0.0<\/td>\n<td>16,777,214<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">9<\/th>\n<td>255.128.0.0<\/td>\n<td>8,388,606<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">10<\/th>\n<td>255.192.0.0<\/td>\n<td>4,194,302<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">11<\/th>\n<td>255.224.0.0<\/td>\n<td>2,097,150<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">12<\/th>\n<td>255.240.0.0<\/td>\n<td>1,048,574<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">13<\/th>\n<td>255.248.0.0<\/td>\n<td>524,286<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">14<\/th>\n<td>255.252.0.0<\/td>\n<td>262,142<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">15<\/th>\n<td>255.254.0.0<\/td>\n<td>131,070<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"col\">\n<div class=\"text-primary table-title-1\">Class B<\/div>\n<table class=\"table table-sm\">\n<thead>\n<tr>\n<th scope=\"col\">K&iacute;ch th&#432;&#7899;c ti&#7873;n t&#7889;\/<br>K&yacute; hi&#7879;u CIDR<\/th>\n<th scope=\"col\">M&#7863;t n&#7841; m&#7841;ng<\/th>\n<th scope=\"col\">M&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">16<\/th>\n<td>255.255.0.0<\/td>\n<td>65,534<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">17<\/th>\n<td>255.255.128.0<\/td>\n<td>32,766<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">18<\/th>\n<td>255.255.192.0<\/td>\n<td>16,382<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">19<\/th>\n<td>255.255.224.0<\/td>\n<td>8,190<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">20<\/th>\n<td>255.255.240.0<\/td>\n<td>4,094<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">21<\/th>\n<td>255.255.248.0<\/td>\n<td>2,046<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">22<\/th>\n<td>255.255.252.0<\/td>\n<td>1,022<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">23<\/th>\n<td>255.255.254.0<\/td>\n<td>510<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"col\">\n<div class=\"text-primary table-title-1\">Class C<\/div>\n<table class=\"table table-sm\">\n<thead>\n<tr>\n<th scope=\"col\">K&iacute;ch th&#432;&#7899;c ti&#7873;n t&#7889;\/<br>K&yacute; hi&#7879;u CIDR<\/th>\n<th scope=\"col\">M&#7863;t n&#7841; m&#7841;ng<\/th>\n<th scope=\"col\">M&aacute;y ch&#7911; c&oacute; th&#7875; s&#7917; d&#7909;ng &#273;&#432;&#7907;c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">24<\/th>\n<td>255.255.255.0<\/td>\n<td>254<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">25<\/th>\n<td>255.255.255.128<\/td>\n<td>126<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">26<\/th>\n<td>255.255.255.192<\/td>\n<td>62<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">27<\/th>\n<td>255.255.255.224<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">28<\/th>\n<td>255.255.255.240<\/td>\n<td>14<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">29<\/th>\n<td>255.255.255.248<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">30<\/th>\n<td>255.255.255.252<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">31<\/th>\n<td>255.255.255.254<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">32<\/th>\n<td>255.255.255.255<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h4>B&#7841;n c&#7847;n tr&#7907; gi&uacute;p?<\/h4>\n<p>N&#7871;u b&#7841;n g&#7863;p s&#7921; c&#7889; v&#7899;i trang web n&agrave;y v&agrave; mu&#7889;n b&aacute;o c&aacute;o, vui l&ograve;ng li&ecirc;n h&#7879; v&#7899;i ch&uacute;ng t&ocirc;i theo &#273;&#7883;a ch&#7881; <a class=\"underline\"><span class=\"sp-user\">cs<\/span><span class=\"sp-domain\">iptp.net<\/span><\/a> ho&#7863;c s&#7917; d&#7909;ng <a href=\"javascript:popupchat()\" class=\"underline\">N&uacute;t Tr&#7907; l&yacute; tr&#7921;c ti&#7871;p<\/a> &#7903; d&#432;&#7899;i c&ugrave;ng b&ecirc;n ph&#7843;i c&#7911;a trang web.<\/p>\n<\/div>\n<\/div><div class=\"section\">\n<div class=\"inner\" style=\"padding-bottom: 30px;\">\n<div class=\"subtitle text-center\"><span>C&ocirc;ng c&#7909; m&#7841;ng c&#7911;a IPTP Networks<\/span><\/div>\n<h2 class=\"text-center\">C&ocirc;ng c&#7909; IPTP b&#7841;n c&oacute; th&#7875; c&#7847;n<\/h2>\n<\/div>\n<div class=\"row row-cols-2 row-cols-md-3 row-cols-lg-4 g-3 g-lg-4 justify-content-center iptp-tool-list pb-5\">\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">M&aacute;y t&iacute;nh IP\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"\" data-src=\"\/wp-content\/uploads\/ipcalc.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">M&#7897;t c&ocirc;ng c&#7909; l&#7845;y &#273;&#7883;a ch&#7881; IP v&agrave; m&#7863;t n&#7841; m&#7841;ng r&#7891;i t&iacute;nh to&aacute;n k&#7871;t qu&#7843; ph&aacute;t s&oacute;ng, m&#7841;ng, m&#7863;t n&#7841; k&yacute; t&#7921; &#273;&#7841;i di&#7879;n v&agrave; ph&#7841;m vi m&aacute;y ch&#7911;<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/ip-calculator\/\" class=\"stretched-link --gray\">T&iacute;nh to&aacute;n<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">&#272;&#432;&#7901;ng d&#7851;n t&#7889;t nh&#7845;t\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Best Path\" data-src=\"\/wp-content\/uploads\/bestpath.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">C&ocirc;ng c&#7909; n&agrave;y s&#7869; hi&#7875;n th&#7883; cho b&#7841;n &#273;&#7897; tr&#7877; v&agrave; &#273;&#432;&#7901;ng d&#7851;n &#273;&#7883;nh tuy&#7871;n t&#7889;t nh&#7845;t gi&#7919;a c&aacute;c &#273;i&#7875;m hi&#7879;n di&#7879;n c&#7911;a ch&uacute;ng t&ocirc;i<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/best-path\/\" class=\"stretched-link --gray\">T&iacute;nh to&aacute;n<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">M&aacute;y t&iacute;nh th&#7901;i gian ho&#7841;t &#273;&#7897;ng\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Uptime Calculator\" data-src=\"\/wp-content\/uploads\/uptime.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">Cung c&#7845;p m&#7897;t c&aacute;ch d&#7877; d&agrave;ng &#273;&#7875; t&iacute;nh to&aacute;n m&#7913;c cho ph&eacute;p th&#7901;i gian ng&#7915;ng ho&#7841;t &#273;&#7897;ng tr&ecirc;n t&#7927; l&#7879; ph&#7847;n tr&#259;m th&#7901;i gian ho&#7841;t &#273;&#7897;ng &#273;&#432;&#7907;c cung c&#7845;p<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/uptime-calculator\/\" class=\"stretched-link --gray\">T&iacute;nh to&aacute;n<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">So s&aacute;nh IXP\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"IXP Compare\" data-src=\"\/wp-content\/uploads\/ixs.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">T&#7841;o so s&aacute;nh &#273;&#7891; h&#7885;a chi ti&#7871;t gi&#7919;a hai S&agrave;n giao d&#7883;ch Internet<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/ixp-compare\/\" class=\"stretched-link --gray\">So s&aacute;nh<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">Looking glass\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Looking Glass\" data-src=\"\/wp-content\/uploads\/lookingglass.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">D&#7883;ch v&#7909; truy c&#7853;p th&ocirc;ng tin &#273;&#7883;nh tuy&#7871;n c&#7911;a ch&uacute;ng t&ocirc;i<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/lg\/\" class=\"stretched-link --gray\">T&igrave;m hi&#7875;u th&ecirc;m<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">Ki&#7875;m tra b&#259;ng th&ocirc;ng\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Bandwidth Test\" data-src=\"\/wp-content\/uploads\/bandwidth.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">T&#7841;i &#273;&acirc;y b&#7841;n c&oacute; th&#7875; t&igrave;m hi&#7875;u v&#7873; b&#259;ng th&ocirc;ng m&#7841;ng c&#7911;a ch&uacute;ng t&ocirc;i<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/bandwidth-test\/\" class=\"stretched-link --gray\">Ki&#7875;m tra<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<div class=\"col\">\n<div class=\"iptp-tool\">\n<div class=\"iptp-tool--body\">\n<div class=\"iptp-tool-title\">Weather map\n<div class=\"iptp-tool-icon\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"Weathermap\" data-src=\"\/wp-content\/uploads\/weatherm.svg\" class=\"lazy\"><\/div>\n<\/div>\n<div class=\"iptp-tool-desc\">B&#7843;n &#273;&#7891; tr&#7921;c ti&#7871;p v&#7873; m&#7841;ng c&#7911;a ch&uacute;ng t&ocirc;i<\/div>\n<\/div>\n<div class=\"iptp-tool--bottom\">\n          <a href=\"https:\/\/www.iptp.us\/vi\/iptp-tools\/weathermap\/\" class=\"stretched-link --gray\">Xem<\/a>\n        <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"section section-banner\">\r\n    <div class=\"inner text-center\">\r\n            <div class=\"subtitle\"><span>Y&ecirc;u c&#7847;u b&aacute;o gi&aacute;<\/span><\/div>\r\n                <h2>S&#7861;n s&agrave;ng &#273;&#7875; b&#7855;t &#273;&#7847;u?<\/h2>\r\n                <p>C&aacute;c chuy&ecirc;n gia c&#7911;a ch&uacute;ng t&ocirc;i s&#7869; s&#7899;m li&ecirc;n h&#7879;<\/p>\r\n                <p class=\"pt-3 mb-0\">\r\n            <!-- <a href=\"https:\/\/www.iptp.us\/vi\/request-a-quote\/?post=280\" class=\"btn-primary-rounded-pill d-inline-block\">Y&ecirc;u c&#7847;u b&aacute;o gi&aacute;<\/a> -->\r\n            <a href=\"#\" class=\"btn-primary-rounded-pill d-inline-block js_btn_request_form_all\">Y&ecirc;u c&#7847;u b&aacute;o gi&aacute;<\/a>\r\n        <\/p>\r\n        <\/div>\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"[wce_code id=20]\n<p>         IPv4 subnet Calculator <\/p>\n<p>         &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":276,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-ipcalculator-new.php","meta":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/280"}],"collection":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/comments?post=280"}],"version-history":[{"count":608,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/280\/revisions"}],"predecessor-version":[{"id":23386,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/280\/revisions\/23386"}],"up":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/276"}],"wp:attachment":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/media?parent=280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}