MXOR.COM[personal website]

Address classes IPv4

Class Range IP CIDR equivalent Default subnet mask
A 0.0.0.0 - 127.255.255.255 /8   255.0.0.0
B 128.0.0.0 - 191.255.255.255 /16   255.255.0.0
C 192.0.0.0 - 223.255.255.255 /24   255.255.255.0
D (multicast) 224.0.0.0 - 239.255.255.255 /32  
E (reserved) 240.0.0.0 - 255.255.255.255 /32  


Adresses speciales
Addresses CIDR Equivalent Purpose Class Total number of addresses
0.0.0.0 - 0.255.255.255 0.0.0.0/8 Zero Addresses A 16777216
10.0.0.0 - 10.255.255.255 10.0.0.0/8 Private IP addresses A 16777216
127.0.0.0 - 127.255.255.255 127.0.0.0/8 Localhost Loopback Address A 16777216
169.254.0.0 - 169.254.255.255 169.254.0.0/16 APIPA B 65536
172.16.0.0 - 172.31.255.255 172.16.0.0/12 Private IP addresses B 1048576
192.0.2.0 - 192.0.2.255 192.0.2.0/24 Documentation and Examples C 256
192.88.99.0 - 192.88.99.255 192.88.99.0/24 IPv6 to IPv4 relay Anycast C 256
192.168.0.0 - 192.168.255.255 192.168.0.0/16 Private IP addresses C 65536
198.18.0.0 - 198.19.255.255 198.18.0.0/15 Network Device Benchmark C 131072
224.0.0.0 - 239.255.255.255 224.0.0.0/4 Multicast D 268435456
240.0.0.0 - 255.255.255.255 240.0.0.0/4 Reserved E 268435456