System Grab Bag

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: 30.255.232.4/30
Addresses: 4 (22)
First IP: 30.255.232.4 (4.232.255.30.in-addr.arpa)
Last IP: 30.255.232.7 (7.232.255.30.in-addr.arpa)

/8 Operated By: Defense Information Systems Agency

Related Networks

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