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: 90.252.4.30/31
Addresses: 2 (2¹)
First IP: 90.252.4.30 (30.4.252.90.in-addr.arpa)
Last IP: 90.252.4.31 (31.4.252.90.in-addr.arpa)

/8 Operated By: RIPE NCC

Related Networks

90.0.0.0/8
89.0.0.0/8
91.0.0.0/8
90.252.4.28/30
90.252.4.30/32
90.252.4.31/32

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