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: 142.128.0.125/32
Addresses: 1 (2⁰)
First IP: 142.128.0.125 (125.0.128.142.in-addr.arpa)
Last IP: 142.128.0.125 (125.0.128.142.in-addr.arpa)

/8 Operated By: ARIN

Related Networks

142.0.0.0/8
141.0.0.0/8
143.0.0.0/8
142.128.0.124/31

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