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: 74.31.255.12/30
Addresses: 4 (2²)
First IP: 74.31.255.12 (12.255.31.74.in-addr.arpa)
Last IP: 74.31.255.15 (15.255.31.74.in-addr.arpa)

/8 Operated By: ARIN

Related Networks

74.0.0.0/8
73.0.0.0/8
75.0.0.0/8
74.31.255.8/29
74.31.255.12/32
74.31.255.15/32

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