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: 103.128.1.252/30
Addresses: 4 (2²)
First IP: 103.128.1.252 (252.1.128.103.in-addr.arpa)
Last IP: 103.128.1.255 (255.1.128.103.in-addr.arpa)

/8 Operated By: APNIC

Related Networks

103.0.0.0/8
102.0.0.0/8
104.0.0.0/8
103.128.1.248/29
103.128.1.252/32
103.128.1.255/32

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