Port 218 — mpp

Well-known port 218 (tcp/udp): Netix Message Posting Protocol. Service name: mpp.

port kind port status standard verification verified tier A iana-registry-row@1

registry record

value: 218

Service Name	mpp
Port Number	218
Transport Protocol	tcp
Description	Netix Message Posting Protocol
Assignee	[Shannon_Yeh]
Contact	[Shannon_Yeh]
Registration Date
Modification Date
Reference
Service Code
Unauthorized Use Reported
Assignment Notes

source: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.csv
version: IANA registry, Last-Modified: Fri, 29 May 2026 01:11:28 GMT
retrieved: 2026-05-29 · updated: 2026-05-29

agent: curl -H 'accept: application/json' wire.phall.io/port/218 or /port/218.json