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 72.43.37.12/31
First IP Address in Range: 72.43.37.12
Last IP Address in Range: 72.43.37.13
Number of IP addresses: 1
Show/Hide All IP Addresses in 72.43.37.12/31
72.43.37.12
72.43.37.13