IP subnet calculator

90.139.165.0-90.139.223.255

90.139.165.0-90.139.165.255
90.139.165.0/24

90.139.166.0-90.139.167.255
90.139.166.0/23

90.139.168.0-90.139.175.255
90.139.168.0/21

90.139.176.0-90.139.191.255
90.139.176.0/20

90.139.192.0-90.139.223.255
90.139.192.0/19