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: 4.128.32.114/31
Addresses: 2 (2¹)
First IP: 4.128.32.114 (114.32.128.4.in-addr.arpa)
Last IP: 4.128.32.115 (115.32.128.4.in-addr.arpa)

/8 Operated By: ARIN

Related Networks

4.0.0.0/8
3.0.0.0/8
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4.128.32.112/30
4.128.32.114/32
4.128.32.115/32

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