IP/CIDR Calculator

The ultimate suite to accurately manage IP ranges, convert CIDR formats, provision AWS subnets, and streamline your routing workflows.

CIDR to IP Range

IP Address

Subnet Mask /24

/0

/8

/16

/24

/32

Try it out:

CIDR Range	Netmask	Wildcard Bits	First IP	First IP (Dec)	Last IP	Last IP (Dec)	Total Hosts

IP to CIDR

Try it out:

Route Summarization

Try it out:

Original CIDRs	Summarized CIDR	Netmask	Total Hosts