knownports / Port ranges / 11000–11999

User PortsPorts 11000–11999

IANA lists at least one assignment on 48 of the 1,000 numbers from 11000 to 11999, 4.8%. The longest stretch with no assignment on any protocol runs from 11490 to 11599 (110 numbers). 15 numbers here are assigned on TCP alone and 4 on UDP alone. Of the 38 dated assignments, the earliest recorded date is March 2003, shared by 2 numbers; the latest is September 26, 2025, for ollama on 11434. 11235, 11997, 11998 and 11999 have an SCTP entry as well.

Ports with their own page: 11235 xcompute

Every assigned number from 11000 to 11999

11000–11099 · 3 numbers assigned

Port	Service	Protocols	Label	Registered
11000	irisa	TCPUDP	IRISA	—
11001	metasys	TCPUDP	Metasys	—
11002–11094: no assignment, 93 numbers
11095	weave	TCPUDP	Nest device-to-device and device-to-service application protocol	Jan 16, 2014

11100–11199 · 19 numbers assigned

Port	Service	Protocols	Label	Registered
11103	origo-sync	TCP	OrigoDB Server Sync Interface	Mar 29, 2013
11104	netapp-icmgmt	TCP	NetApp Intercluster Management	Jul 6, 2010
11105	netapp-icdata	TCP	NetApp Intercluster Data	Jul 6, 2010
11106	sgi-lk	TCPUDP	SGI LK Licensing service	Jan 6, 2009
11108	myq-termlink	UDP	Hardware Terminals Discovery and Low-Level Communication Protocol	Apr 23, 2013
11109	sgi-dmfmgr	TCP	Data migration facility Manager (DMF) is a browser based interface to DMF	Jan 7, 2013
11110	sgi-soap	TCP	Data migration facility (DMF) SOAP is a web server protocol to support remote access to DMF	Jan 7, 2013
11111	vce	TCPUDP	Viral Computing Environment (VCE)	—
11112	dicom	TCPUDP	DICOM	Aug 2005
11113–11160: no assignment, 48 numbers
11161	suncacao-snmp	TCPUDP	sun cacao snmp access point	Aug 2005
11162	suncacao-jmxmp	TCPUDP	sun cacao JMX-remoting access point	Aug 2005
11163	suncacao-rmi	TCPUDP	sun cacao rmi registry access point	Aug 2005
11164	suncacao-csa	TCPUDP	sun cacao command-streaming access point	Aug 2005
11165	suncacao-websvc	TCPUDP	sun cacao web service access point	Aug 2005
11171	snss	UDP	Surgical Notes Security Service Discovery (SNSS)	Dec 24, 2010
11172	oemcacao-jmxmp	TCP	OEM cacao JMX-remoting access point	Sep 22, 2010
11173	t5-straton	TCP	Straton Runtime Programing	Mar 1, 2012
11174	oemcacao-rmi	TCP	OEM cacao rmi registry access point	Sep 22, 2010
11175	oemcacao-websvc	TCP	OEM cacao web service access point	Sep 22, 2010
11176–11199: no assignment, 24 numbers

11200–11299 · 5 numbers assigned

Port	Service	Protocols	Label	Registered
11201	smsqp	TCPUDP	smsqp	—
11202	dcsl-backup	TCP	DCSL Network Backup Services	Apr 17, 2012
11208	wifree	TCPUDP	WiFree Service	Mar 2006
11211	memcache	TCPUDP	Memory cache service	Feb 9, 2009
11212–11234: no assignment, 23 numbers
11235	xcompute	TCPSCTP	numerical systems messaging	Oct 16, 2020
11236–11299: no assignment, 64 numbers

11300–11399 · 5 numbers assigned

Port	Service	Protocols	Label	Registered
11300–11318: no assignment, 19 numbers
11319	imip	TCPUDP	IMIP	—
11320	imip-channels	TCPUDP	IMIP Channels Port	—
11321	arena-server	TCPUDP	Arena Server Listen	—
11322–11366: no assignment, 45 numbers
11367	atm-uhas	TCPUDP	ATM UHAS	—
11371	hkp	TCPUDP	OpenPGP HTTP Keyserver	May 2003
11372–11399: no assignment, 28 numbers

11400–11499 · 3 numbers assigned

Port	Service	Protocols	Label	Registered
11400–11429: no assignment, 30 numbers
11430	lsdp	UDP	Lenbrook Service Discovery Protocol	Mar 27, 2014
11434	ollama	TCP	Ollama	Sep 26, 2025
11435–11488: no assignment, 54 numbers
11489	asgcypresstcps	TCP	ASG Cypress Secure Only	Jul 1, 2010
11490–11499: no assignment, 10 numbers

11500–11599: no assignment, 100 numbers

11600–11699 · 2 numbers assigned

Port	Service	Protocols	Label	Registered
11600	tempest-port	TCPUDP	Tempest Protocol Port	—
11601–11622: no assignment, 22 numbers
11623	emc-xsw-dconfig	TCP	EMC XtremSW distributed config	Sep 18, 2013
11624–11699: no assignment, 76 numbers

11700–11799 · 4 numbers assigned

Port	Service	Protocols	Label	Registered
11700–11719: no assignment, 20 numbers
11720	h323callsigalt	TCPUDP	H.323 Call Control Signalling Alternate	—
11723	emc-xsw-dcache	TCPUDP	EMC XtremSW distributed cache	Sep 18, 2013
11724–11750: no assignment, 27 numbers
11751	intrepid-ssl	TCPUDP	Intrepid SSL	Mar 2003
11752–11795: no assignment, 44 numbers
11796	lanschool lanschool-mpt	TCPUDP	LanSchool Lanschool Multipoint	May 18, 2012

11800–11899 · 2 numbers assigned

Port	Service	Protocols	Label	Registered
11800–11875: no assignment, 76 numbers
11876	xoraya	TCPUDP	X2E Xoraya Multichannel protocol	Sep 13, 2010
11877	x2e-disc	UDP	X2E service discovery protocol	Sep 13, 2010
11878–11899: no assignment, 22 numbers

11900–11999 · 5 numbers assigned

Port	Service	Protocols	Label	Registered
11900–11966: no assignment, 67 numbers
11967	sysinfo-sp	TCPUDP	SysInfo Service Protocol	Mar 2003
11971	tibsd	TCP	TiBS Service	May 17, 2019
11972–11996: no assignment, 25 numbers
11997	wmereceiving	SCTP	WorldMailExpress	Mar 2006
11998	wmedistribution	SCTP	WorldMailExpress	Mar 2006
11999	wmereporting	SCTP	WorldMailExpress	Mar 2006