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IP subnet calculator
139.99.0.0-139.99.77.255

uk ru

139.99.0.0-139.99.63.255
139.99.0.0/18

139.99.64.0-139.99.71.255
139.99.64.0/21

139.99.72.0-139.99.75.255
139.99.72.0/22

139.99.76.0-139.99.77.255
139.99.76.0/23

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