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 192.168.21.21/31
First IP Address in Range: 192.168.21.20
Last IP Address in Range: 192.168.21.22
Number of IP addresses: 2
Show/Hide All IP Addresses in 192.168.21.21/31
192.168.21.20
192.168.21.21
192.168.21.22