Network

IPv4 subnet calculator

Calculate IPv4 network ranges

IPv4 / CIDR

Network informationClass C

Network

192.168.10.0/24

Subnet mask

255.255.255.0

Wildcard

0.0.0.255

Broadcast

192.168.10.255

First host

192.168.10.1

Last host

192.168.10.254

Total addresses

256

Usable hosts

254

Mask (binary)

11111111.11111111.11111111.00000000

How to use / Notes

How to use

Enter an IPv4 address and CIDR prefix (e.g. 192.168.1.0/24).
Read the network, broadcast and usable host range.

Notes

Special prefixes like /31 and /32 handle usable-host counts differently.