The Service Name and Transport Protocol Port Number Registry is available as a 12-column table in CSV, XML, HTML and plain text.
The current repository provides a convenient 5-column HTML/Markdown table containing all the data of the registry:
- complete registry:
- complete registry in Markdown format (around 1.5MiB)
- complete registry in HTML format (around 2.7MiB)
- first half of the registry in Markdown format
- second half of the registry in Markdown format
There's also a trimmed version as a 4-column Markdown table:
Here's a preview (the complete file has more than 14,000 lines):
| Port Number | Transport Protocol | Service Name | Description | Notes |
|---|---|---|---|---|
| 0 | tcp | Reserved | assignee: Jon Postel • contact: Jon Postel | |
| 0 | udp | Reserved | assignee: Jon Postel • contact: Jon Postel | |
| 1 | tcp | tcpmux | TCP Port Service Multiplexer | assignee: Mark Lottor • contact: Mark Lottor |
| 1 | udp | tcpmux | TCP Port Service Multiplexer | assignee: Mark Lottor • contact: Mark Lottor |
| 2 | tcp | compressnet | Management Utility | |
| 2 | udp | compressnet | Management Utility | |
| 3 | tcp | compressnet | Compression Process | assignee: Bernie Volz • contact: Bernie Volz |
| 3 | udp | compressnet | Compression Process | assignee: Bernie Volz • contact: Bernie Volz |
| 4 | tcp | Unassigned | ||
| 4 | udp | Unassigned | ||
| 5 | tcp | rje | Remote Job Entry | assignee: Jon Postel • contact: Jon Postel |
| 5 | udp | rje | Remote Job Entry | assignee: Jon Postel • contact: Jon Postel |
| 6 | tcp | Unassigned | ||
| 6 | udp | Unassigned | ||
| 7 | tcp | echo | Echo | assignee: Jon Postel • contact: Jon Postel |
| 7 | udp | echo | Echo | assignee: Jon Postel • contact: Jon Postel |
| 8 | tcp | Unassigned | ||
| 8 | udp | Unassigned | ||
| 9 | tcp | discard | Discard | assignee: Jon Postel • contact: Jon Postel |
| 9 | udp | discard | Discard | assignee: Jon Postel • contact: Jon Postel |
| 9 | sctp | discard | Discard | assignee: Randall Stewart • contact: Randall Stewart • modification date: 2022-02-07 • reference: RFC9260 |
| 9 | dccp | discard | Discard | assignee: Eddie Kohler • contact: Eddie Kohler • reference: RFC4340 • service code: 1145656131 |
| 10 | tcp | Unassigned | ||
| 10 | udp | Unassigned | ||
| 11 | tcp | systat | Active Users | assignee: Jon Postel • contact: Jon Postel |
| 11 | udp | systat | Active Users | assignee: Jon Postel • contact: Jon Postel |
| 12 | tcp | Unassigned | ||
| 12 | udp | Unassigned | ||
| 13 | tcp | daytime | Daytime | assignee: Jon Postel • contact: Jon Postel • reference: RFC867 |
| 13 | udp | daytime | Daytime | assignee: Jon Postel • contact: Jon Postel • reference: RFC867 |
| 14 | tcp | Unassigned | ||
| 14 | udp | Unassigned | ||
| 15 | tcp | Unassigned [was netstat] | ||
| 15 | udp | Unassigned | ||
| 16 | tcp | Unassigned | ||
| 16 | udp | Unassigned | ||
| 17 | tcp | qotd | Quote of the Day | assignee: Jon Postel • contact: Jon Postel |
| 17 | udp | qotd | Quote of the Day | assignee: Jon Postel • contact: Jon Postel |
| 18 | tcp | msp | Message Send Protocol (historic) | assignee: Rina Nethaniel • contact: Rina Nethaniel |
| 18 | udp | msp | Message Send Protocol (historic) | assignee: Rina Nethaniel • contact: Rina Nethaniel |
| 19 | tcp | chargen | Character Generator | |
| 19 | udp | chargen | Character Generator | |
| 20 | tcp | ftp-data | File Transfer [Default Data] | assignee: Jon Postel • contact: Jon Postel |
| 20 | udp | ftp-data | File Transfer [Default Data] | assignee: Jon Postel • contact: Jon Postel |
| 20 | sctp | ftp-data | FTP | assignee: Randall Stewart • contact: Randall Stewart • modification date: 2022-02-07 • reference: RFC9260 |
| 21 | tcp | ftp | File Transfer Protocol [Control] | assignee: Jon Postel • contact: Jon Postel • reference: RFC959 • assignment notes: Defined TXT keys: u=<username> p=<password> path=<path> |
| 21 | udp | ftp | File Transfer Protocol [Control] | assignee: Jon Postel • contact: Jon Postel • reference: RFC959 • assignment notes: Defined TXT keys: u=<username> p=<password> path=<path> |
| 21 | sctp | ftp | FTP | assignee: Randall Stewart • contact: Randall Stewart • modification date: 2022-02-07 • reference: RFC9260 • assignment notes: Defined TXT keys: u=<username> p=<password> path=<path> |
| 22 | tcp | ssh | The Secure Shell (SSH) Protocol | reference: RFC4251 • assignment notes: Defined TXT keys: u=<username> p=<password> |
| 22 | udp | ssh | The Secure Shell (SSH) Protocol | reference: RFC4251 • assignment notes: Defined TXT keys: u=<username> p=<password> |
| 22 | sctp | ssh | SSH | assignee: Randall Stewart • contact: Randall Stewart • modification date: 2022-02-07 • reference: RFC9260 • assignment notes: Defined TXT keys: u=<username> p=<password> |
The Internet Corporation for Assigned Names and Numbers (ICANN) and the Internet Engineering Task Force (IETF) Trust state in the licensing terms that the registry is subject to the Creative Commons CC0 1.0 public domain dedication. See the file COPYING.