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IP subnet calculator
104.20.224.0-104.21.47.255

uk ru

104.20.224.0-104.20.255.255
104.20.224.0/19

104.21.0.0-104.21.31.255
104.21.0.0/19

104.21.32.0-104.21.47.255
104.21.32.0/20