ASN Lookup Tool

U.S. Customs and Border Protection cbp.dhs.gov US US 14 Routes

AS Data

AS396921

AS396921 – U.S. Customs and Border Protection

AS Number 396921
AS Name US-CBP
Organization U.S. Customs and Border Protection(ucdc)
Country US
Website cbp.dhs.gov
Number of IPv4 Routes 12
Number of IPv6 Routes 2
ASN type GOVERNMENT
Registry ARIN
Date Allocated 2018-06-18

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Use ASN data for AS396921 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
167.144.130.0/24 256
167.144.2.0/24 256
167.144.68.0/24 256
167.144.66.0/24 256
167.144.25.0/24 256
167.144.12.0/24 256
167.144.64.0/24 256
2602:80b:e000::/44 ~19×10²⁴
2602:80b:e001::/48 ~1×10²⁴
167.144.65.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       396921
ASName:         US-CBP
ASHandle:       AS396921
RegDate:        2018-06-18
Updated:        2024-06-18    
Ref:            https://rdap.arin.net/registry/autnum/396921


OrgName:        U.S. Customs and Border Protection
OrgId:          UCDC
Address:        1300 Pennsylvania Ave.
Address:        NW
City:           Washington
StateProv:      DC
PostalCode:     20229
Country:        US
RegDate:        1993-07-19
Updated:        2024-06-18
Ref:            https://rdap.arin.net/registry/entity/UCDC


OrgTechHandle: EJD12-ARIN
OrgTechName:   Davies, Edward J
OrgTechPhone:  +1-571-882-3060 
OrgTechEmail:  edward.j.davies@cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/EJD12-ARIN

OrgTechHandle: LUONG29-ARIN
OrgTechName:   Luong, Dong 
OrgTechPhone:  +1-202-577-9012 
OrgTechEmail:  dong.luong@inetworkassociatesllc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LUONG29-ARIN

OrgTechHandle: NOCCB-ARIN
OrgTechName:   NOC, CBP 
OrgTechPhone:  +1-800-927-8729 
OrgTechEmail:  CBPNOC@cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NOCCB-ARIN

OrgNOCHandle: NOCCB-ARIN
OrgNOCName:   NOC, CBP 
OrgNOCPhone:  +1-800-927-8729 
OrgNOCEmail:  CBPNOC@cbp.dhs.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOCCB-ARIN

OrgTechHandle: NGUYE1461-ARIN
OrgTechName:   Nguyen, Dieu 
OrgTechPhone:  +1-571-282-1765 
OrgTechEmail:  dieu.n.nguyen@cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/NGUYE1461-ARIN

OrgTechHandle: SWANS257-ARIN
OrgTechName:   Swanson, Joseph 
OrgTechPhone:  +1-804-334-7410 
OrgTechEmail:  joseph.swanson@associates.cisa.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/SWANS257-ARIN

OrgTechHandle: AHI54-ARIN
OrgTechName:   Ibrahim, Ali Husni
OrgTechPhone:  +1-315-516-1151 
OrgTechEmail:  ali.h.ibrahim@associates.cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/AHI54-ARIN

OrgRoutingHandle: SWANS257-ARIN
OrgRoutingName:   Swanson, Joseph 
OrgRoutingPhone:  +1-804-334-7410 
OrgRoutingEmail:  joseph.swanson@associates.cisa.dhs.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SWANS257-ARIN

OrgAbuseHandle: SWANS257-ARIN
OrgAbuseName:   Swanson, Joseph 
OrgAbusePhone:  +1-804-334-7410 
OrgAbuseEmail:  joseph.swanson@associates.cisa.dhs.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SWANS257-ARIN

OrgTechHandle: ZRB2-ARIN
OrgTechName:   Brady, Zachary R
OrgTechPhone:  +1-571-329-3093 
OrgTechEmail:  zachary.r.brady@cbp.dhs.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/ZRB2-ARIN

RTechHandle: WERNT2-ARIN
RTechName:   Werntz, Daniel 
RTechPhone:  +1-703-732-3081 
RTechEmail:  daniel.a.werntz@associates.cbp.dhs.gov
RTechRef:    https://rdap.arin.net/registry/entity/WERNT2-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS209 CenturyLink Communications, LLC US
AS6461 Zayo Bandwidth US
AS22773 Cox Communications Inc. US
AS33657 Comcast Cable Communications, LLC US
AS32787 Akamai Technologies, Inc. US

Upstreams

AS Number Description Country
AS209 CenturyLink Communications, LLC US
AS6461 Zayo Bandwidth US
AS22773 Cox Communications Inc. US
AS33657 Comcast Cable Communications, LLC US
AS32787 Akamai Technologies, Inc. US

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Frequently Asked Questions

ASN AS396921 is an Autonomous System Number used to identify a network for BGP internet routing.
AS396921 is listed under U.S. Customs and Border Protection.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.