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IP subnet calculator
64.210.138.0-64.210.155.255

uk ru

64.210.138.0-64.210.139.255
64.210.138.0/23

64.210.140.0-64.210.143.255
64.210.140.0/22

64.210.144.0-64.210.151.255
64.210.144.0/21

64.210.152.0-64.210.155.255
64.210.152.0/22