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	Prefix	Description
	38.124.249.0/24	Cogent Communications, LLC
	63.239.135.0/24	University of Maryland
	65.113.61.0/24	University of Maryland
	65.127.220.0/23	University of Maryland
	206.196.160.0/19	University of Maryland
	206.196.176.0/21	University of Maryland
	206.196.177.0/24	University of Maryland
	209.201.74.0/23	University of Maryland
	199.7.91.0/24	University of Maryland
	2001:468:c00::/41	University of Maryland
	2001:468:c00::/40	University of Maryland
	2001:468:c0e::/48	University of Maryland
	2001:500:2d::/48	University of Maryland

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS11164	Internet2 I2PX	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS42	WoodyNet, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS11956	National Oceanic and Atmospheric Administration	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS27026	networkMaryland	✔	✘
	AS11164	Internet2 I2PX	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS27	University of Maryland	✔	✔
	AS1848	National Aeronautics and Space Administration	✔	✔
	AS6059	University System of Maryland	✔	✔
	AS70	National Library of Medicine	✔	✔
	AS393689	National Library of Medicine	✔	✔
	AS11537	Internet2	✔	✔
	AS42	WoodyNet, Inc.	✔	✔
	AS25807	Arlington County Government	✔	✘
	AS3527	National Institutes of Health	✔	✔
	AS11131	University of Maryland Baltimore County (UMBC)	✔	✔
	AS4	University of Southern California	✔	✘
	AS268	Uniformed Services University of the Health Sciences	✔	✘
	AS40148	PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY CO...	✔	✘
	AS46543	University of Maryland, Baltimore	✔	✘
	AS5723	Johns Hopkins University	✔	✔
	AS25631	Gallaudet University	✔	✔
	AS293	ESnet	✔	✔
	AS26020	Space Telescope Science Institute	✔	✘
	AS3999	The Pennsylvania State University	✔	✔
	AS7847	NASA Goddard Space Flight Center	✔	✔
	AS15169	Google LLC	✔	✔
	AS2532	Library of Congress	✔	✘
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘
	AS4901	The George Washington University	✔	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS11956	National Oceanic and Atmospheric Administration	✔	✔
	AS27026	networkMaryland	✔	✘
	AS27	University of Maryland	✔	✔
	AS1848	National Aeronautics and Space Administration	✔	✔
	AS70	National Library of Medicine	✔	✔
	AS25807	Arlington County Government	✔	✘
	AS4	University of Southern California	✔	✘
	AS40148	PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY CO...	✔	✘
	AS268	Uniformed Services University of the Health Sciences	✔	✘
	AS11131	University of Maryland Baltimore County (UMBC)	✔	✔
	AS46543	University of Maryland, Baltimore	✔	✘
	AS393689	National Library of Medicine	✔	✔

ASHandle:       AS10886
OrgID:          UNIVER-262-Z
ASName:         MAX-GIGAPOP
ASNumber:       10886
RegDate:        1997-12-17
Updated:        2025-04-22
TechHandle:     DDI2-ARIN
TechHandle:     MAXNO-ARIN
AbuseHandle:    MAXNO-ARIN
NOCHandle:      MAXNO-ARIN
Source:         ARIN



OrgID:          UNIVER-262-Z
OrgName:        University of Maryland
CanAllocate:    
Street:         Office of Information Technology
Street:         Patuxent Building
City:           College Park
State/Prov:     MD
Country:        US
PostalCode:     20742
RegDate:        2010-01-06
Updated:        2010-01-06
OrgAdminHandle: UM-ORG-ARIN
OrgTechHandle:  UM-ORG-ARIN
OrgAbuseHandle: UARA-ARIN
Source:         ARIN





OrgAdminHandle:       UM-ORG-ARIN
OrgAdminName:          UMD DNS Admin Role Account
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        UM-ORG-ARIN
OrgTechName:           UMD DNS Admin Role Account
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       UARA-ARIN
OrgAbuseName:          UMD Abuse Role Account
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           DDI2-ARIN
TechName:             Dave Diller
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           MAXNO-ARIN
TechName:              MAX NOC
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          MAXNO-ARIN
AbuseName:             MAX NOC
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            MAXNO-ARIN
NOCName:               MAX NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:35:40Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-zenedge	2420
RIPE	as-gttcust6	90665
APNIC	as141013:as-getafix-reach-peers	266
RADB	as-tpix-200n	66
RADB	as10886:as-cps-part	56
RADB	as-hurricanev6	20826
RADB	as-pch	40
RADB	as10886:as-re-part	52
RADB	as10886:as-all	68
RIPE	as61010:as-ipnet-ix-ktkz	84
LEVEL3	as-lumen-customers-asns	10695
RADB	as10886:as-isp-part	42
ARIN	as-nnenix-connectors	15
LEVEL3	as-as209-cust	1818