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Search TCP / UDP Port Assignment Database

Enter port number or text string:
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Search result for: 172

From: [IANA] [NMAP] [SANS]

Service Port Prot. Description Notes
cl-1 172 tcp Network Innovations CL/1 IANA assigned this well-formed service name as a replacement for "cl/1". [IANA]
cl/1 172 tcp Network Innovations CL/1 [IANA]
cl-1 172 udp Network Innovations CL/1 IANA assigned this well-formed service name as a replacement for "cl/1". [IANA]
cl/1 172 udp Network Innovations CL/1 [IANA]
cl-1 172 udp # Network Innovations CL [NMAP]
cl-1 172 tcp Network Innovations CL 1 [SANS]
cl-1 172 udp Network Innovations CL 1 [SANS]

How to use:

To search by port enter a number in the range between 0 and 65535. To search service / protocol description by keyword enter a text string at least three characters long. Wild-card (*) is supported if it is the last character in the search string. Alternatively, select a port from one of the ranges listed below.

0-1023 - Well-known or System Ports
1024-49151 - Registered or User Ports
49152-65535 - Dynamic/Private or Ephemeral Ports

Information Sources:
[IANA]  IANA Service Name and Transport Protocol Port Number Registry
[NMAP]  NMAP.org well known service port numbers
[WG]  WintelGuy.com port number database compiled from many different sources, including Microsoft, VMWare, Citrix, Oracle, etc.
[WP] Wikipedia - List of TCP and UDP port numbers
[SANS]  SANS Inst. / DShield service list