IPv4 Subnet Calculator

This calculator and tool allows you to type an IP address in and get information on a particular subnet. Enter an IP or range in CIDR notation.

Network: 231.0.30.240/29
Addresses: 8 (2³)
First IP: 231.0.30.240 (240.30.0.231.in-addr.arpa)
Last IP: 231.0.30.247 (247.30.0.231.in-addr.arpa)

/8 Operated By: Multicast

Related Networks

231.0.0.0/8
230.0.0.0/8
232.0.0.0/8
231.0.30.240/28
231.0.30.240/32
231.0.30.247/32

You can also use some of the other examples such as:

0.0.0.0/0
1.0.0.0/8
127.0.0.1
30.0.0.0/8
192.168.0.0/16