Report for 18971

Name

BCUS - BARCLAYS FINANCIAL CORP., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

18971 BCUS - BARCLAYS FINANCIAL CORP., US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS701           UUNET - Verizon Business, US
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
  Downstream Adjacent AS list
    AS14733         AS14733 - Barclays Capital Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48417 AS18971        ORG+TRN Originate:        512 /23.00  Transit:      17664 /17.89 BCUS - BARCLAYS FINANCIAL CORP., 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       %
34534 AS18971       BCUS - BARCLAYS FINANCIAL CORP., US                2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  146.127.245.0/24     4777 32787 18971       
  146.127.247.0/24     4777 32787 18971       

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS18971   2 More Specifics   2 Total Advertisements   BCUS - BARCLAYS FINANCIAL CORP., US
    146.127.245.0/24              146.127.0.0/16
    146.127.247.0/24              146.127.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS18971 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18971\n             
             #
             # 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:       18971
             ASName:         BCUS
             ASHandle:       AS18971
             RegDate:        2000-11-02
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/18971
             
             
             OrgName:        BARCLAYS FINANCIAL CORP.
             OrgId:          BFC-47
             Address:        100 S. WEST STREET
             City:           WILMINGTON
             StateProv:      DE
             PostalCode:     19801
             Country:        US
             RegDate:        2007-07-06
             Updated:        2025-07-21
             Ref:            https://rdap.arin.net/registry/entity/BFC-47
             
             
             OrgDNSHandle: NETWO3086-ARIN
             OrgDNSName:   NETWORK ADMIN
             OrgDNSPhone:  +1-302-255-8299 
             OrgDNSEmail:  gtisntconnectivity1@barclayscapital.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO3086-ARIN
             
             OrgTechHandle: NETWO3086-ARIN
             OrgTechName:   NETWORK ADMIN
             OrgTechPhone:  +1-302-255-8299 
             OrgTechEmail:  gtisntconnectivity1@barclayscapital.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3086-ARIN
             
             OrgAbuseHandle: NETWO3086-ARIN
             OrgAbuseName:   NETWORK ADMIN
             OrgAbusePhone:  +1-302-255-8299 
             OrgAbuseEmail:  gtisntconnectivity1@barclayscapital.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3086-ARIN
             
             OrgNOCHandle: NETWO3086-ARIN
             OrgNOCName:   NETWORK ADMIN
             OrgNOCPhone:  +1-302-255-8299 
             OrgNOCEmail:  gtisntconnectivity1@barclayscapital.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3086-ARIN
             
             OrgDNSHandle: LEBED9-ARIN
             OrgDNSName:   Lebedinec, Dmitrij 
             OrgDNSPhone:  + 44   7441462399 
             OrgDNSEmail:  dmitrij.lebedinec@barclays.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/LEBED9-ARIN
             
             OrgRoutingHandle: NETWO3086-ARIN
             OrgRoutingName:   NETWORK ADMIN
             OrgRoutingPhone:  +1-302-255-8299 
             OrgRoutingEmail:  gtisntconnectivity1@barclayscapital.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO3086-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.
             #