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: 226.128.0.68/30
Addresses: 4 (2²)
First IP: 226.128.0.68 (68.0.128.226.in-addr.arpa)
Last IP: 226.128.0.71 (71.0.128.226.in-addr.arpa)

/8 Operated By: Multicast

Related Networks

226.0.0.0/8
225.0.0.0/8
227.0.0.0/8
226.128.0.64/29
226.128.0.68/32
226.128.0.71/32

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