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: 252.128.2.72/29
Addresses: 8 (2³)
First IP: 252.128.2.72 (72.2.128.252.in-addr.arpa)
Last IP: 252.128.2.79 (79.2.128.252.in-addr.arpa)

Owned By: IANA (Reserved (Future Use))
/8 Operated By: IANA (Reserved (Future Use))

Related Networks

252.0.0.0/8
251.0.0.0/8
253.0.0.0/8
252.128.2.64/28
252.128.2.72/32
252.128.2.79/32

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