Subnet Calculator
IPv4
IPv6
IP address
BM
CLASS A
8 (255.0.0.0 - 16.777.214 hosts)
9 (255.128.0.0 - 8.388.606 hosts)
10 (255.192.0.0 - 4.194.302 hosts)
11 (255.224.0.0 - 2.097.150 hosts)
12 (255.240.0.0 - 1.048.574 hosts)
13 (255.248.0.0 - 524.286 hosts)
14 (255.252.0.0 - 262.142 hosts)
15 (255.254.0.0 - 131.070 hosts)
CLASS B
16 (255.255.0.0 - 65.534 hosts)
17 (255.255.128.0 - 32766 hosts)
18 (255.255.192.0 - 16.382 hosts)
19 (255.255.224.0 - 8.190 hosts)
20 (255.255.240.0 - 4.094 hosts)
21 (255.255.248.0 - 2.046 hosts)
22 (255.255.252.0 - 1.022 hosts)
23 (255.255.254.0 - 510 hosts)
CLASS C
24 (255.255.255.0 - 254 hosts)
25 (255.255.255.128 - 126 hosts)
26 (255.255.255.192 - 62 hosts)
27 (255.255.255.224 - 30 hosts)
28 (255.255.255.240 - 14 hosts)
29 (255.255.255.248 - 6 hosts)
30 (255.255.255.252 - 2 hosts)
31 (255.255.255.254 - 0 hosts)
32 (255.255.255.255 - 0 hosts)
