Port 656 is an IANA System Port assigned to spmp (SPMP) over TCP and UDP.
- Port: 656
- Service spmp: TCP, UDP — SPMP
- Range: System Ports (0–1023)
Document v1 · published by Koskamo · updated 2026-10-04
Port 656 is an IANA System Port assigned to spmp (SPMP) over TCP and UDP.