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SOLVED: Default Subnet Masks Write the correct default subnet mask for each of the following addresses: 177.100.18.4 255.255.0.0 119.18.45.0 255 .0.0.0 191.249.234.191 223.23.223.109 10.10.250.1 126.123.23.1 223.69.230.250 192.12.35.105 77.251.200.51 ...