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IP subnet calculator
212.129.1.128-212.129.21.255

uk ru

212.129.1.128-212.129.1.255
212.129.1.128/25

212.129.2.0-212.129.3.255
212.129.2.0/23

212.129.4.0-212.129.7.255
212.129.4.0/22

212.129.8.0-212.129.15.255
212.129.8.0/21

212.129.16.0-212.129.19.255
212.129.16.0/22

212.129.20.0-212.129.21.255
212.129.20.0/23

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