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	Prefix	Description
	131.118.0.0/16	University System of Maryland
	136.160.0.0/16	University System of Maryland
	136.160.241.0/24	University System of Maryland
	198.175.248.0/24	Chesapeake College
	198.202.0.0/21	University of Baltimore
	204.52.128.0/22	University of Baltimore
	216.152.80.0/20	Prince Georges Comm. College
	2620:116:5000::/40	University of Maryland

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS27026	networkMaryland	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS21767	Washington College	✔	✘
	AS3257	GTT Communications Inc.	✔	✔
	AS15196	Maryland Department of Transportation	✔	✘
	AS10886	University of Maryland	✔	✔
	AS394395	Towson University	✔	✘
	AS393650	CCBC	✔	✘
	AS11131	University of Maryland Baltimore County (UMBC)	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✔
	AS22877	University of Maryland Global Campus	✔	✘
	AS30184	RESI	✔	✘
	AS396087	St. Mary's College of Maryland	✔	✘
	AS27026	networkMaryland	✔	✘
	AS46543	University of Maryland, Baltimore	✔	✘
	AS33170	Morgan State University	✔	✘
	AS6189	Enoch-Pratt Free Library	✔	✘
	AS8928	GTT Communications Inc.	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS15169	Google LLC	✔	✘
	AS36413	Loyola University Maryland	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS21767	Washington College	✔	✘
	AS15196	Maryland Department of Transportation	✔	✘
	AS394395	Towson University	✔	✘
	AS11131	University of Maryland Baltimore County (UMBC)	✔	✔
	AS22877	University of Maryland Global Campus	✔	✘
	AS46543	University of Maryland, Baltimore	✔	✘
	AS33170	Morgan State University	✔	✘
	AS30184	RESI	✔	✘
	AS393650	CCBC	✔	✘
	AS396087	St. Mary's College of Maryland	✔	✘

ASHandle:       AS6059
OrgID:          UNIVER-270-Z
ASName:         UMS2-ASN
ASNumber:       6059
RegDate:        1995-10-26
Updated:        2023-12-08
Source:         ARIN



OrgID:          UNIVER-270-Z
OrgName:        University System of Maryland
CanAllocate:    
Street:         System Administration
Street:         3300 Metzerott Road
City:           Adelphi
State/Prov:     MD
Country:        US
PostalCode:     20783
RegDate:        2023-10-31
Updated:        2023-11-20
OrgAdminHandle: NM162-ARIN
OrgTechHandle:  MWG1-ARIN
OrgTechHandle:  NM162-ARIN
OrgTechHandle:  WALDR141-ARIN
OrgAbuseHandle: NM162-ARIN
Source:         ARIN





OrgAdminHandle:       NM162-ARIN
OrgAdminName:         Norwin Malmberg
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MWG1-ARIN
OrgTechName:          Michael Gemeny
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NM162-ARIN
OrgTechName:          Norwin Malmberg
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        WALDR141-ARIN
OrgTechName:          Jerry Waldron
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NM162-ARIN
OrgAbuseName:         Norwin Malmberg
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:36:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-comcast-edia	2766
RADB	as10886:as-all	68
RADB	as198949:as-sd	3446
RADB	as174:as-cogc-036	73
RIPE	as-gttcust	91233
LEVEL3	as-lumen-customers-asns	10695
RIPE	as-gttcust6	90670
ARIN	as-univer-270	13
LEVEL3	as-level3-origins-na	0
ARIN	as-zenedge	2421
LEVEL3	as-level3-customers-na	0