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: 30.0.0.0/32
Addresses: 1 (20)
First IP: 30.0.0.0 (0.0.0.30.in-addr.arpa)
Last IP: 30.0.0.0 (0.0.0.30.in-addr.arpa)

/8 Operated By: Defense Information Systems Agency

Related Networks

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