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IP subnet calculator
81.16.148.236-81.16.153.255

uk ru

81.16.148.236-81.16.148.239
81.16.148.236/30

81.16.148.240-81.16.148.255
81.16.148.240/28

81.16.149.0-81.16.149.255
81.16.149.0/24

81.16.150.0-81.16.151.255
81.16.150.0/23

81.16.152.0-81.16.153.255
81.16.152.0/23