Important Notice We have teamed up with ipstack.com to offer an even better IP Intelligence API.
To continue using the free GeoIPs service, please click the button on the rightbelow.Keep using the Free API

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. apilayer 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.

Pricing Plans

Choose the right Plan for you

The GeoIPs IP Intelligence Service provides a variety of pricing plans to meet your needs: Developer, Basic, Professional, Enterprise. For more details, please check our Pricing Plans.