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: 24.0.48.138/31
Addresses: 2 (2¹)
First IP: 24.0.48.138 (138.48.0.24.in-addr.arpa)
Last IP: 24.0.48.139 (139.48.0.24.in-addr.arpa)

/8 Operated By: ARIN

Related Networks

24.0.0.0/8
23.0.0.0/8
25.0.0.0/8
24.0.48.136/30
24.0.48.138/32
24.0.48.139/32

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