1659 Silicon Grail License Manager - User Port

1659 is a User Port. Transport Protocol TCP UDP , 1659 Service Name sg-lm, Service Name Description: Silicon Grail License Manager.

Port	Protocol	Service Name	Description	Source
1659	TCP UDP	sg-lm	Silicon Grail License Manager	IANA
1659	TCP UDP	sg-lm	Silicon Grail License Manager	bekkoame

Port	Service Name	Description
4199	eims-admin	EIMS ADMIN
4266	vrml-multi-use	VRML Multi User Systems
4551	ieee-mih	MIH Services
4880	hislip	IVI High-Speed LAN Instrument Protocol
5165	ife-icorp	ife_1corp IANA assigned this well-formed service name as a replacement for "ife_icorp".
5828		Unassigned
5945		Unassigned
6530		Unassigned
6545		Unassigned
8693		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