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: 48.0.0.0/4
Addresses: 268435456 (228)
First IP: 48.0.0.0 (0.0.0.48.in-addr.arpa)
Last IP: 63.255.255.255 (255.255.255.63.in-addr.arpa)

/8 Operated By: Prudential Securities Inc.

Related Networks

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