396921 US-CBP, US
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS209 CENTURYLINK-US-LEGACY-QWEST, US
AS22773 ASN-CXA-ALL-CCI-22773-RDC, US
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
AS6461 ZAYO-6461, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 21606 AS396921 ORIGIN Originate: 3072 /20.42 Transit: 0 /0.00 US-CBP, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 30140 AS396921 US-CBP, US 12 2 1 11 1 8.33% Prefix AS Path Aggregation Suggestion 167.144.1.0/24 2497 32787 396921 167.144.2.0/24 2497 32787 396921 167.144.11.0/24 2497 32787 396921 167.144.12.0/24 2497 32787 396921 167.144.25.0/24 2497 6461 396921 167.144.26.0/24 2497 6461 396921 167.144.64.0/24 6939 32787 396921 167.144.65.0/24 2497 32787 396921 167.144.66.0/24 2497 32787 396921 167.144.68.0/23 2497 32787 396921 + Announce - aggregate of 167.144.68.0/24 (2497 32787 396921) and 167.144.69.0/24 (2497 32787 396921) 167.144.68.0/24 2497 32787 396921 - Withdrawn - aggregated with 167.144.69.0/24 (2497 32787 396921) 167.144.69.0/24 2497 32787 396921 - Withdrawn - aggregated with 167.144.68.0/24 (2497 32787 396921) 167.144.130.0/24 6939 22773 396921
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS396921 13 More Specifics 13 Total Advertisements US-CBP, US
167.144.1.0/24 167.144.0.0/16
167.144.2.0/24 167.144.0.0/16
167.144.11.0/24 167.144.0.0/16
167.144.12.0/24 167.144.0.0/16
167.144.25.0/24 167.144.0.0/16
167.144.26.0/24 167.144.0.0/16
167.144.64.0/24 167.144.0.0/16
167.144.65.0/24 167.144.0.0/16
167.144.66.0/24 167.144.0.0/16
167.144.68.0/24 167.144.0.0/16
167.144.69.0/24 167.144.0.0/16
167.144.70.0/24 167.144.0.0/16
167.144.130.0/24 167.144.0.0/16
whois: 402603
IANA has recorded AS396921 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS396921\n
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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
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
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: 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
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
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
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: NOCCB-ARIN
OrgTechName: NOC, CBP
OrgTechPhone: +1-800-927-8729
OrgTechEmail: CBPNOC@cbp.dhs.gov
OrgTechRef: https://rdap.arin.net/registry/entity/NOCCB-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: LUONG29-ARIN
OrgTechName: Luong, Dong
OrgTechPhone: +1-703-850-7612
OrgTechEmail: dong.luong@associates.cbp.dhs.gov
OrgTechRef: https://rdap.arin.net/registry/entity/LUONG29-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
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
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# 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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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