123.20.0.0 - 123.20.0.255 Vietnam 123.20.1.0 - 123.20.1.255 Vietnam 123.20.2.0 - 123.20.2.255 Vietnam 123.20.3.0 - 123.20.3.255 Vietnam 123.20.4.0 - 123.20.4.255 Vietnam 123.20.5.0 - 123.20.5.255 Vietnam 123.20.6.0 - 123.20.6.255 Vietnam 123.20.7.0 - 123.20.7.255 Vietnam 123.20.8.0 - 123.20.8.255 Vietnam 123.20.9.0 - 123.20.9.255 Vietnam 123.20.10.0 - 123.20.10.255 Vietnam 123.20.11.0 - 123.20.11.255 Vietnam 123.20.12.0 - 123.20.12.255 Vietnam 123.20.13.0 - 123.20.13.255 Vietnam 123.20.14.0 - 123.20.14.255 Vietnam 123.20.15.0 - 123.20.15.255 Vietnam 123.20.16.0 - 123.20.16.255 Vietnam 123.20.17.0 - 123.20.17.255 Vietnam 123.20.18.0 - 123.20.18.255 Vietnam 123.20.19.0 - 123.20.19.255 Vietnam 123.20.20.0 - 123.20.20.255 Vietnam 123.20.21.0 - 123.20.21.255 Vietnam 123.20.22.0 - 123.20.22.255 Vietnam 123.20.23.0 - 123.20.23.255 Vietnam 123.20.24.0 - 123.20.24.255 Vietnam 123.20.25.0 - 123.20.25.255 Vietnam 123.20.26.0 - 123.20.26.255 Vietnam 123.20.27.0 - 123.20.27.255 Vietnam 123.20.28.0 - 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