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: 185.64.0.0/13
Addresses: 524288 (2¹⁹)
First IP: 185.64.0.0 (0.0.64.185.in-addr.arpa)
Last IP: 185.71.255.255 (255.255.71.185.in-addr.arpa)

/8 Operated By: RIPE NCC

Related Networks

185.0.0.0/8
184.0.0.0/8
186.0.0.0/8
185.64.0.0/12
185.64.0.0/32
185.71.255.255/32

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