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IP subnet calculator
104.16.0.0-104.21.127.255

uk ru

104.21.0.0-104.21.127.255
104.21.0.0/17

104.16.0.0-104.19.255.255
104.16.0.0/14

104.20.0.0-104.20.255.255
104.20.0.0/16

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