{"id":77,"date":"2007-04-12T12:46:16","date_gmt":"2007-04-12T16:46:16","guid":{"rendered":"http:\/\/www.eyoungwon.com\/journal\/?p=77"},"modified":"2007-04-12T14:30:41","modified_gmt":"2007-04-12T18:30:41","slug":"address-classes-network-ids-and-host-ids","status":"publish","type":"post","link":"https:\/\/eyoungwon.com\/journal\/address-classes-network-ids-and-host-ids\/","title":{"rendered":"Address Classes:  Network IDs and Host IDs"},"content":{"rendered":"<p><strong>Class A<\/strong> (1st Octet 1-127)\u00c2 \u00c2 \u00c2  -\u00c2 \u00c2 \u00c2 \u00c2  \u00c2  Network.Host.Host.Host<\/p>\n<p><strong>Class B<\/strong> (1st Octet 128-191) -\u00c2 \u00c2  Network.Network.Host.Host<\/p>\n<p><strong>Class C<\/strong>\u00c2  (1st Octet 192-223)\u00c2  -\u00c2  Network.Network.Network.Host<\/p>\n<p>\u00c2 <\/p>\n<p>If the 1st Octet is:<\/p>\n<p>1 \u00e2\u20ac\u201c 127\u00c2 \u00c2  <strong>Class A<\/strong>\u00c2 \u00c2  Net.Host.Host.Host<br \/>\n128-192\u00c2  <strong>Class B<\/strong>\u00c2 \u00c2  Net.Net.Host.Host<br \/>\n192-224\u00c2  <strong>Class C<\/strong>\u00c2 \u00c2  Net.Net.Net.Host<br \/>\n224-240\u00c2  <strong>Class D<\/strong>\u00c2 \u00c2  Multicast (Not used for host addressing.)<br \/>\n240-255\u00c2  <strong>Class E<\/strong>\u00c2 \u00c2  Experimental (Not used for host addressing.)<\/p>\n<p><strong>\u00c2 IP Addressing Rules<\/strong><\/p>\n<ul type=\"square\">\n<li>Each Device (Host) Needs at Least One Unique IP Address<\/li>\n<li>All Devices on\u00c2 Same Physical Segment Share a Common Network ID(Subnet Mask)<\/li>\n<li>Each Physical Segment Has a Unique Network ID (Subnet Mask)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Class A (1st Octet 1-127)\u00c2 \u00c2 \u00c2 -\u00c2 \u00c2 \u00c2 \u00c2 \u00c2 Network.Host.Host.Host Class B (1st Octet 128-191) -\u00c2 \u00c2 Network.Network.Host.Host Class C\u00c2 (1st Octet 192-223)\u00c2 -\u00c2 Network.Network.Network.Host \u00c2 If the 1st Octet is: 1 \u00e2\u20ac\u201c 127\u00c2 \u00c2 Class A\u00c2 \u00c2 Net.Host.Host.Host 128-192\u00c2 Class B\u00c2 \u00c2 Net.Net.Host.Host 192-224\u00c2 Class C\u00c2 \u00c2 Net.Net.Net.Host 224-240\u00c2 Class D\u00c2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-77","post","type-post","status-publish","format-standard","hentry","category-networking"],"_links":{"self":[{"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/posts\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/comments?post=77"}],"version-history":[{"count":0,"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/posts\/77\/revisions"}],"wp:attachment":[{"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/media?parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/categories?post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eyoungwon.com\/journal\/wp-json\/wp\/v2\/tags?post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}