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IP subnet calculator

uk ru

88.212.227.0-88.212.227.255
88.212.227.0/24

88.212.228.0-88.212.231.255
88.212.228.0/22

88.212.232.0-88.212.239.255
88.212.232.0/21

88.212.240.0-88.212.255.255
88.212.240.0/20