IP subnet calculator

91.82.84.0-91.82.129.255

91.82.84.0-91.82.87.255
91.82.84.0/22

91.82.88.0-91.82.95.255
91.82.88.0/21

91.82.96.0-91.82.127.255
91.82.96.0/19

91.82.128.0-91.82.129.255
91.82.128.0/23