← All tools

Subnet Range Calculator

Find usable IP range of any subnet. Network and broadcast excluded, except /31 and /32.

Network192.168.1.0/24
First usable192.168.1.1
Last usable192.168.1.254
Broadcast192.168.1.255
Usable count254

How to read the result

Range = network+1 through broadcast−1. /31 both addresses usable, /32 range is the single address.

Example

192.168.1.50/24 → usable 192.168.1.1 – 192.168.1.254

FAQ

Usable vs total?

Total includes network + broadcast. Usable excludes them (minus 2), except /31 and /32.