"128.0.0.0", 2 => "192.0.0.0", 3 => "224.0.0.0", 4 => "240.0.0.0", 5 => "248.0.0.0", 6 => "252.0.0.0", 7 => "254.0.0.0", 8 => "255.0.0.0", 9 => "255.128.0.0", 10 => "255.192.0.0", 11 => "255.224.0.0", 12 => "255.240.0.0", 13 => "255.248.0.0", 14 => "255.252.0.0", 15 => "255.254.0.0", 16 => "255.255.0.0", 17 => "255.255.128.0", 18 => "255.255.192.0", 19 => "255.255.224.0", 20 => "255.255.240.0", 21 => "255.255.248.0", 22 => "255.255.252.0", 23 => "255.255.254.0", 24 => "255.255.255.0", 25 => "255.255.255.128", 26 => "255.255.255.192", 27 => "255.255.255.224", 28 => "255.255.255.240", 29 => "255.255.255.248", 30 => "255.255.255.252", 31 => "255.255.255.254", 32 => "255.255.255.255" ); ?>