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IP subnet calculator

uk ru

104.18.36.0-104.18.39.255
104.18.36.0/22

104.18.40.0-104.18.47.255
104.18.40.0/21

104.18.48.0-104.18.49.255
104.18.48.0/23

104.18.50.0-104.18.50.255
104.18.50.0/24