Port 172 (cl-1, cl/1)

Document v1 · published by Koskamo · updated 2026-10-04

Port 172 is an IANA System Port assigned to cl-1 and cl/1 over TCP and UDP.

Port: 172
Service cl-1: TCP, UDP — Network Innovations CL/1 IANA assigned this well-formed service name as a replacement for "cl/1".
Service cl/1: TCP, UDP — Network Innovations CL/1
Range: System Ports (0–1023)

Source and provenance

Original source: www.iana.org
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: IANA Service Name and Transport Protocol Port Number Registry (iana.org/assignments/service-names-port-numbers), system ports 0-1023; registry data reproduced verbatim with references

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Version history

Published by Koskamo2026-10-04
Version 1