Eureka Moment Wiki

One eureka moment at the time

User Tools

Site Tools


IP Address classes

ClassLeading bitsSize of network number bit fieldSize of rest bit fieldNumber of networksAddresses per networkStart addressEnd address
Class A0824128 (27)16777216 (224)
Class B10161616384 (214)65536 (216)
Class C1102482097152 (221)256 (28)
Class D (multicast)1110not definednot definednot definednot defined224.0.0.0239.255.255.255
Class E (reserved)1111not definednot definednot definednot defined240.0.0.0255.255.255.255


Enter your comment:
B D​ N P W
general/addr_class.txt · Last modified: 2019/10/31 08:55 (external edit)