Port list needed for trojan research

Does anyone know a good, current listing for network ports? IANA.org and other sources I have looked at just do not have a comprehensive list, especially since vendors are often using unregistered ports. For example, it took me two weeks to determine that port *80*7 on my machine was active because of Norton Antivirus Corporate Edition. There must be a good port reference out there somewhere...

Maybe even better would be a utility that identifies which application on your machine is responsible for which active ports. At least you could better understand what is happening when netstat reveals active ports.

TRY GOOGLE.........