CIDR Calculator

GeoIPs CIDR Calculator tool enables CIDR Network calculations using IP Address, CIDR Netmask, Mask Bits, Maximum number of Subnets and Addresses. This GeoIPs tool returns Wildcard Mask, Broadcast Address, CIDR Network and Range of usable IPs.

Please enter the IP Address and select one of the following fields: CIDR Netmask, Mask Bits, Maximum Subnets or Maximum Addresses.

The following are read only fields: Wildcard Mask, CIDR Network (Route), Net: CIDR Notation, CIDR Address Range.

If you want to know more about CIDR (Classless Inter-Domain Routing), please check out the following page: Wikipedia: Classless Inter-Domain Routing.

This GeoIPs service is free of use and is given as it is. Bianet Solution Ltd. assumes no liability whatsoever for any loss, damage or destruction caused by the use of this GeoIPs service and/or information obtained from its usage.

How it works

Learn how to use GeoIPs API

Within minutes, our API can help you create a connection with your website visitors. Anyone can do it, it's that easy. Read GeoIPs Developer API Guide.