The Well Known Ports are those from 0 through 1023.

The Registered Ports are those from 1024 through 49151

The Dynamic and/or Private Ports are those from 49152 through 65535





See the page: http://www.iana.org/assignments/port-numbers

<title>CSC130: IANA Port Number Assignments - Well Known, Registered, and
Dynamic</title>