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: 224.0.3.240/31
Addresses: 2 (2¹)
First IP: 224.0.3.240 (240.3.0.224.in-addr.arpa)
Last IP: 224.0.3.241 (241.3.0.224.in-addr.arpa)

/8 Operated By: Multicast

Related Networks

224.0.0.0/8
223.0.0.0/8
225.0.0.0/8
224.0.3.240/30
224.0.3.240/32
224.0.3.241/32

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