Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] handling unknown IP addresses heriarchies enterprise WANs 2nd 3rd 4th hexidecimal numbers hierarchies DNS ccTLDs namespaces 2nd obtaining namespaces 2nd TLDs 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th IP addresses 2nd 3rd 4th 5th 6th 7th 8th 9th 10th ISP tiers 2nd hijacked address spaces hijacking sessions histories CIDR 2nd hop counts host.txt files 2nd 3rd hostmasters 2nd 3rd 4th hosts addresses ineefficiencies of FLSMs addressing IP addresses 2nd mathematical trade-offs 2nd 3rd platforms unicasting human-friendly, creating IP addresses 2nd |