580 SNTP HEARTBEAT - System Port | Service Name:sntp-heartbeat

580 is a System Port. Transport Protocol TCP UDP , 580 Service Name sntp-heartbeat, Service Name Description: SNTP HEARTBEAT.

Port	Protocol	Service Name	Description	Source
580	TCP UDP	sntp-heartbeat	SNTP HEARTBEAT	IANA
580	TCP UDP	sntp-heartbeat	SNTP HEARTBEAT	bekkoame

Port	Service Name	Description
2932	incp	INCP
3331	mcs-messaging	MCS Messaging
3609	cpdi-pidas-cm	CPDI PIDAS Connection Mon
4211	vrml-multi-use	VRML Multi User Systems
4253	vrml-multi-use	VRML Multi User Systems
4774		Unassigned
5081	sdl-ets	SDL - Ent Trans Server
5189		Unassigned
6073	directplay8	DirectPlay8
6945		Unassigned

A port is an endpoint of communication in an operating system. While the term is also used for hardware devices, in software it is a logical construct that identifies a specific process or a type of service.

Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535);

The Well Known Ports are assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users. Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. For the purpose of providing services to unknown callers, a service contact port is defined. This list specifies the port used by the server process as its contact port. The contact port is sometimes called the "well-known port". To the extent possible, these same port assignments are used with the UDP [RFC768]. The range for well-known ports managed by the IANA is 0-1023.
DYNAMIC AND/OR PRIVATE PORTS Registered Ports are those from 1024 through 49151.
The Dynamic and/or Private Ports are those from 49152 through 65535