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IP subnet calculator

uk ru

65.21.146.192-65.21.146.255
65.21.146.192/26

65.21.160.0-65.21.160.15
65.21.160.0/28

65.21.147.0-65.21.147.255
65.21.147.0/24

65.21.148.0-65.21.151.255
65.21.148.0/22

65.21.152.0-65.21.159.255
65.21.152.0/21