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: 158.128.0.48/30
Addresses: 4 (2²)
First IP: 158.128.0.48 (48.0.128.158.in-addr.arpa)
Last IP: 158.128.0.51 (51.0.128.158.in-addr.arpa)

/8 Operated By: ARIN

Related Networks

158.0.0.0/8
157.0.0.0/8
159.0.0.0/8
158.128.0.48/29
158.128.0.48/32
158.128.0.51/32

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