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IP subnet calculator

uk ru

104.18.64.0-104.18.127.255
104.18.64.0/18

104.18.128.0-104.18.255.255
104.18.128.0/17

104.23.0.0-104.23.127.255
104.23.0.0/17

104.19.0.0-104.19.255.255
104.19.0.0/16

104.20.0.0-104.21.255.255
104.20.0.0/15

104.22.0.0-104.22.255.255
104.22.0.0/16