192.168.1.33 = 11000000.10101000.00000001.00100001 AND 255.255.255.240 = 11111111.11111111.11111111.11110000 ---------------------------------------------------------- 11000000.10101000.00000000.00100000 = 192.168.1.32
192.168.1.33 = 11000000.10101000.00000001.00100001 AND 255.255.255.192 = 11111111.11111111.11111111.11000000 ---------------------------------------------------------- 11000000.10101000.00000000.00000000 = 192.168.1.0