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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	167.144.1.0/24	U.S. Customs and Border Protection
	167.144.2.0/24	U.S. Customs and Border Protection
	167.144.11.0/24	U.S. Customs and Border Protection
	167.144.12.0/24	U.S. Customs and Border Protection
	167.144.25.0/24	U.S. Customs and Border Protection
	167.144.26.0/24	U.S. Customs and Border Protection
	167.144.64.0/24	U.S. Customs and Border Protection
	167.144.65.0/24	U.S. Customs and Border Protection
	167.144.66.0/24	U.S. Customs and Border Protection
	167.144.68.0/24	U.S. Customs and Border Protection
	167.144.69.0/24	U.S. Customs and Border Protection
	167.144.70.0/24	U.S. Customs and Border Protection
	167.144.130.0/24	U.S. Customs and Border Protection
	2602:80b:e000::/44	U.S. Customs and Border Protection
	2602:80b:e001::/48	U.S. Customs and Border Protection

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘
	AS6461	Zayo Bandwidth	✔	✔
	AS22773	Cox Communications Inc.	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✔
	AS33667	Comcast Cable Communications, LLC	✔	✘
	AS33657	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘
	AS6461	Zayo Bandwidth	✔	✔
	AS22773	Cox Communications Inc.	✔	✘
	AS209	Lumen (ex. Qwest)	✔	✔
	AS33657	Comcast Cable Communications, LLC	✔	✘
	AS33667	Comcast Cable Communications, LLC	✔	✘
	AS33651	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS396921
OrgID:          UCDC
ASName:         US-CBP
ASNumber:       396921
RegDate:        2018-06-18
Updated:        2024-06-18
TechHandle:     WERNT2-ARIN
Source:         ARIN



OrgID:          UCDC
OrgName:        U.S. Customs and Border Protection
CanAllocate:    
Street:         1300 Pennsylvania Ave.
Street:         NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20229
RegDate:        1993-07-19
Updated:        2024-06-18
OrgAdminHandle: EJD12-ARIN
OrgTechHandle:  AHI54-ARIN
OrgTechHandle:  EJD12-ARIN
OrgTechHandle:  LUONG29-ARIN
OrgTechHandle:  NGUYE1461-ARIN
OrgTechHandle:  NOCCB-ARIN
OrgTechHandle:  SWANS257-ARIN
OrgTechHandle:  ZRB2-ARIN
OrgAbuseHandle: SWANS257-ARIN
OrgNOCHandle:   NOCCB-ARIN
OrgRoutingHandle:   SWANS257-ARIN
Source:         ARIN





OrgAdminHandle:       EJD12-ARIN
OrgAdminName:         Edward Davies
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        AHI54-ARIN
OrgTechName:          Ali Ibrahim
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        EJD12-ARIN
OrgTechName:          Edward Davies
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        LUONG29-ARIN
OrgTechName:          Dong Luong
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NGUYE1461-ARIN
OrgTechName:          Dieu Nguyen
# Email removed, Log into bgp.tools to see whois emails


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


OrgTechHandle:        SWANS257-ARIN
OrgTechName:          Joseph Swanson
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZRB2-ARIN
OrgTechName:          Zachary Brady
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SWANS257-ARIN
OrgAbuseName:         Joseph Swanson
# Email removed, Log into bgp.tools to see whois emails


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


OrgRoutingHandle:     SWANS257-ARIN
OrgRoutingName:       Joseph Swanson
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           WERNT2-ARIN
TechName:             Daniel Werntz
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-11T03:30:08Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as7606:as-sa-ix	23953
RADB	as-kddcustomer2	8206
RADB	as-cox-nova	112
RADB	as-telstra-intl-customers	11999
RADB	as-comcast-edia	2749
RADB	as-prole	1194
LEVEL3	as-lumen-customers-asns	10695
RADB	as-telstra-testing-1	11790