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IP subnet calculator
172.67.100.0-172.67.255.255

uk ru

172.67.100.0-172.67.103.255
172.67.100.0/22

172.67.104.0-172.67.111.255
172.67.104.0/21

172.67.112.0-172.67.127.255
172.67.112.0/20

172.67.128.0-172.67.255.255
172.67.128.0/17