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IP subnet calculator

uk ru

51.75.107.0-51.75.107.255
51.75.107.0/24

51.75.108.0-51.75.111.255
51.75.108.0/22

51.75.112.0-51.75.127.255
51.75.112.0/20

51.75.128.0-51.75.143.255
51.75.128.0/20