ASN AS11131 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11131?

AS11131 is listed under University of Maryland Baltimore County UMBC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS11131 University of Maryland Baltimore County UMBC

ASN Lookup Tool

University of Maryland Baltimore County UMBC umbc.edu

US 4 Routes

AS Data

AS11131

AS11131 – University of Maryland Baltimore County UMBC

AS Number	11131
AS Name	UMBC-AS
Organization	University of Maryland Baltimore County UMBC(umbcu)
Country	US
Website	umbc.edu
Number of IPv4 Routes	3
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	ARIN
Date Allocated	1998-04-20

ASN Intelligence API for production workflows

Use ASN data for AS11131 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
130.85.0.0/16	AS11131	University of Maryland Baltimore County UMBC	University of Maryland Baltimore County UMBC	65536
2620:0:5300::/44	AS11131	University of Maryland Baltimore County UMBC	University of Maryland Baltimore County UMBC	~19×10²⁴
136.160.0.0/18	AS11131	University of Maryland Baltimore County UMBC	University System of Maryland	16384
199.201.245.0/24	AS11131	University of Maryland Baltimore County UMBC	University of Maryland Baltimore County UMBC	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11131
ASName:         UMBC-AS
ASHandle:       AS11131
RegDate:        1998-04-20
Updated:        2019-04-16    
Ref:            https://rdap.arin.net/registry/autnum/11131


OrgName:        University of Maryland Baltimore County (UMBC)
OrgId:          UMBCU
Address:        1000 Hilltop Circle
City:           Baltimore
StateProv:      MD
PostalCode:     21250
Country:        US
RegDate:        1998-04-20
Updated:        2026-03-02
Comment:        For Security Complaints Contact security@umbc.edu
Ref:            https://rdap.arin.net/registry/entity/UMBCU


OrgTechHandle: PETRY11-ARIN
OrgTechName:   Petry, Mike 
OrgTechPhone:  +1-410-455-3256 
OrgTechEmail:  petry@umbc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/PETRY11-ARIN

OrgNOCHandle: SOELL-ARIN
OrgNOCName:   Soellner, Ray 
OrgNOCPhone:  +1-410-455-3256 
OrgNOCEmail:  rays1@umbc.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/SOELL-ARIN

OrgRoutingHandle: PETRY11-ARIN
OrgRoutingName:   Petry, Mike 
OrgRoutingPhone:  +1-410-455-3256 
OrgRoutingEmail:  petry@umbc.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PETRY11-ARIN

OrgDNSHandle: WHOIS10-ARIN
OrgDNSName:   WhoIs Technical
OrgDNSPhone:  +1-410-455-3256 
OrgDNSEmail:  rays1@umbc.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/WHOIS10-ARIN

OrgTechHandle: WHOIS10-ARIN
OrgTechName:   WhoIs Technical
OrgTechPhone:  +1-410-455-3256 
OrgTechEmail:  rays1@umbc.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/WHOIS10-ARIN

OrgAbuseHandle: SOELL-ARIN
OrgAbuseName:   Soellner, Ray 
OrgAbusePhone:  +1-410-455-3256 
OrgAbuseEmail:  rays1@umbc.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SOELL-ARIN

RTechHandle: MC712-ARIN
RTechName:   Cather, Mark 
RTechPhone:  +1-410-455-3783 
RTechEmail:  markc@umbc.edu
RTechRef:    https://rdap.arin.net/registry/entity/MC712-ARIN

RTechHandle: SOELL-ARIN
RTechName:   Soellner, Ray 
RTechPhone:  +1-410-455-3256 
RTechEmail:  rays1@umbc.edu
RTechRef:    https://rdap.arin.net/registry/entity/SOELL-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS6059	University System of Maryland	US
AS10886	University of Maryland	US
AS33657	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS6059	University System of Maryland	US
AS10886	University of Maryland	US
AS33657	Comcast Cable Communications, LLC	US