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IP subnet calculator

uk ru

173.194.79.48-173.194.79.63
173.194.79.48/28

173.194.79.64-173.194.79.127
173.194.79.64/26

173.194.79.128-173.194.79.255
173.194.79.128/25

173.194.80.0-173.194.87.255
173.194.80.0/21