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IP subnet calculator

uk ru

104.31.91.0-104.31.91.127
104.31.91.0/25

104.31.91.128-104.31.91.159
104.31.91.128/27

104.31.91.160-104.31.91.167
104.31.91.160/29

104.31.91.168-104.31.91.171
104.31.91.168/30

104.31.91.172-104.31.91.173
104.31.91.172/31

104.31.91.174-104.31.91.174
104.31.91.174/32

104.31.64.0-104.31.79.255
104.31.64.0/20

104.31.80.0-104.31.87.255
104.31.80.0/21

104.31.88.0-104.31.89.255
104.31.88.0/23

104.31.90.0-104.31.90.255
104.31.90.0/24