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: 46.128.4.12/31
Addresses: 2 (2¹)
First IP: 46.128.4.12 (12.4.128.46.in-addr.arpa)
Last IP: 46.128.4.13 (13.4.128.46.in-addr.arpa)

/8 Operated By: RIPE NCC

Related Networks

46.0.0.0/8
45.0.0.0/8
47.0.0.0/8
46.128.4.12/30
46.128.4.12/32
46.128.4.13/32

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