Port numbers have the following assigned ranges:

- The Well Known Ports are those from 0 through 1023 Port numbers in the range of 0-1023 are considered public port numbers and are controlled by the Internet Assigned Numbers Authority (IANA) (RFC 1700)
- The Registered Ports are those from 1024 through 49151 
- The Dynamic and/or Private Ports are those from 49152 through 65535