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: 36.0.4.72/31
Addresses: 2 (2¹)
First IP: 36.0.4.72 (72.4.0.36.in-addr.arpa)
Last IP: 36.0.4.73 (73.4.0.36.in-addr.arpa)

/8 Operated By: APNIC

Related Networks

36.0.0.0/8
35.0.0.0/8
37.0.0.0/8
36.0.4.72/30
36.0.4.72/32
36.0.4.73/32

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