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	Prefix	Description
	64.69.48.0/21	DEPARTMENT OF HOMELAND SECURITY
	64.69.56.0/24	DEPARTMENT OF HOMELAND SECURITY
	64.69.58.0/23	DEPARTMENT OF HOMELAND SECURITY
	64.69.60.0/22	DEPARTMENT OF HOMELAND SECURITY
	161.214.182.0/24	DEPARTMENT OF HOMELAND SECURITY
	161.214.183.0/24	DEPARTMENT OF HOMELAND SECURITY
	173.255.48.0/21	DEPARTMENT OF HOMELAND SECURITY
	173.255.56.0/21	DEPARTMENT OF HOMELAND SECURITY
	216.81.80.0/24	DEPARTMENT OF HOMELAND SECURITY
	216.81.80.0/21	DEPARTMENT OF HOMELAND SECURITY
	216.81.88.0/21	DEPARTMENT OF HOMELAND SECURITY
	2600:400::/32	DEPARTMENT OF HOMELAND SECURITY

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✔

ASHandle:       AS15147
OrgID:          DHS-37
ASName:         DHSINETNOC
ASNumber:       15147
RegDate:        2006-11-03
Updated:        2012-03-02
TechHandle:     DIA9-ARIN
AbuseHandle:    DIA9-ARIN
NOCHandle:      DHSNO1-ARIN
Source:         ARIN



OrgID:          DHS-37
OrgName:        DEPARTMENT OF HOMELAND SECURITY
CanAllocate:    
Street:         Department of Homeland Security
Street:         300 7th St SW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20024
RegDate:        2005-12-05
Updated:        2024-11-25
OrgAdminHandle: DHSNO2-ARIN
OrgTechHandle:  DHSNO2-ARIN
OrgAbuseHandle: DHSNO2-ARIN
OrgNOCHandle:   DHSNO2-ARIN
Source:         ARIN





OrgAdminHandle:       DHSNO2-ARIN
OrgAdminName:          DHS-NOC
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DHSNO2-ARIN
OrgTechName:           DHS-NOC
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       DHSNO2-ARIN
OrgAbuseName:          DHS-NOC
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         DHSNO2-ARIN
OrgNOCName:            DHS-NOC
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           DIA9-ARIN
TechName:              DHS IPv6 ADMINISTRATION
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          DIA9-ARIN
AbuseName:             DHS IPv6 ADMINISTRATION
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            DHSNO1-ARIN
NOCName:               DHS NOC
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-04-18T03:30:24Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-prole	1218
RADB	as-telstra-testing-1	10188
RADB	as-telstra-intl-customers	10814
RADB	as-kddcustomer2	8208