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IP subnet calculator

uk ru

164.132.0.0-164.132.63.255
164.132.0.0/18

164.132.64.0-164.132.79.255
164.132.64.0/20

164.132.80.0-164.132.87.255
164.132.80.0/21

164.132.88.0-164.132.89.255
164.132.88.0/23