Masks

Pick a CIDR prefix to see its subnet mask.

For this prefix

All prefixes

A /31 has 2 usable addresses (point-to-point links) and a /32 is a single host.

Network

Enter an address and choose its prefix.

You can also type 10.0.0.0/8 or 10.0.0.0 255.0.0.0.

Split