Generator

Subnet Calculator

Calculate network address, broadcast, host range, netmask, wildcard mask, and usable hosts from CIDR notation.

Examples: 10.0.0.0/8, 172.16.0.0/16, 192.168.1.0/24

Subnet details
Network address: 192.168.1.0
Broadcast:       192.168.1.255
First host:      192.168.1.1
Last host:       192.168.1.254
Netmask:         255.255.255.0
Wildcard:        0.0.0.255
Total addresses: 256
Usable hosts:    254