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IP subnet calculator
172.217.167.0-172.217.255.255

uk ru

172.217.167.0-172.217.167.255
172.217.167.0/24

172.217.168.0-172.217.175.255
172.217.168.0/21

172.217.176.0-172.217.191.255
172.217.176.0/20

172.217.192.0-172.217.255.255
172.217.192.0/18