URL Obfuscation using octal (8), hexadecimal (16) and 32bit number
The following are valid URLs for www.google.com
http://0x42.0x66.0x0d.0x63
http://0x42660d63
http://1113984355
http://00000102.00000146.00000015.00000143
http://0x42.0x66.0x0d.0x63
http://0x42660d63
http://1113984355
http://00000102.00000146.00000015.00000143