IP subnet calculator

207.19.8.0-207.19.251.255

207.19.8.0-207.19.15.255
207.19.8.0/21

207.19.16.0-207.19.31.255
207.19.16.0/20

207.19.32.0-207.19.63.255
207.19.32.0/19

207.19.64.0-207.19.127.255
207.19.64.0/18

207.19.128.0-207.19.191.255
207.19.128.0/18

207.19.192.0-207.19.223.255
207.19.192.0/19

207.19.224.0-207.19.239.255
207.19.224.0/20

207.19.240.0-207.19.247.255
207.19.240.0/21

207.19.248.0-207.19.251.255
207.19.248.0/22