CIDRFromIP.com

Convert IPs to CIDRs
Convert CIDR to IPs
Search for IP in a CIDR

Convert CIDR to IP Addresses

Enter an IPV4 CIDR (example: 192.168.2.0/24)

IP Address Range for 192.243.3.0/18
First IP Address in Range: 192.243.0.0
Last IP Address in Range: 192.243.66.255
Number of IP addresses: 17151

Convert IP Addresses to CIDRs | Convert CIDR to IP Addresses | Search for IP Addresses in a CIDR