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	Prefix	Description
	134.194.0.0/16	United States Department of Defense (DoD)
	147.241.0.0/19	Headquarters, USAISC
	2001:480:36::/48	High Performance Computing

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS668	DoD High Performance Computing (Defense Research and Engineering Network)	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS668	DoD High Performance Computing (Defense Research and Engineering Network)	✔	✔

ASHandle:       AS289
OrgID:          HEADQU-3
ASName:         DNIC-AS-00289
ASNumber:       289
RegDate:        1989-06-02
Updated:        2011-08-24
Source:         ARIN



OrgID:          HEADQU-3
OrgName:        Headquarters, USAISC
CanAllocate:    
Street:         NETC-ANC CONUS TNOSC
City:           Fort Huachuca
State/Prov:     AZ
Country:        US
PostalCode:     85613
RegDate:        1990-03-26
Updated:        2025-03-13
OrgAdminHandle: REGIS10-ARIN
OrgTechHandle:  REGIS10-ARIN
OrgAbuseHandle: REGIS10-ARIN
Source:         ARIN





OrgAdminHandle:       REGIS10-ARIN
OrgAdminName:          Registration
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        REGIS10-ARIN
OrgTechName:           Registration
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       REGIS10-ARIN
OrgAbuseName:          Registration
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-15T03:31:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as668:as-transit	28
RIPE	as-transroute-spec	19660
RIPE	as20965:as-from-internet2-to-geant	2967
RADB	as-dren	30
RADB	as-hurricanev6	20532
RADB	as-hurricane	24522