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On Thu, 01 Feb 2001 10:43:32 +0100, James Aldridge said: > In the classful world: > bit 1 = 0 -> Class A > bits 1,2 = 10 -> Class B > bits 1,2,3 = 110 -> Class C > bits 1,2,3,4 = 1110 -> Class D (Multicast) > etc. Note that since the creation of CIDR, class A/B/C has been essentially deprecated in favor of address/mask pairs. In fact, so much so that in today's net, stuff that still insists on class A/B/C distictions is considered "broken". -- Valdis Kletnieks Operating Systems Analyst Virginia Tech
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