Report for 6303

Name

BARCLAYS-CAPITAL - Barclays Capital, 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 AS6447) 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.

6303 BARCLAYS-CAPITAL, US

  Adjacency:     5  Upstream:     4  Downstream:     1
  Upstream Adjacent AS list
    AS701           UUNET, US
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
    AS14733         AS14733, US
    AS6461          ZAYO-6461, US
  Downstream Adjacent AS list
    AS14733         AS14733, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5991  AS6303         ORG+TRN Originate:      25856 /17.34  Transit:       2560 /20.68 BARCLAYS-CAPITAL, 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       %
 3509 AS6303        BARCLAYS-CAPITAL, US                              45     24      9     30     15  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  63.78.242.0/24       6939 32787 6303        
  146.127.40.0/22      6939 6461 6303         
  146.127.40.0/23      6939 6461 6303       - Withdrawn - matching aggregate 146.127.40.0/22 6939 6461 6303
  146.127.40.0/23      6939 32787 6303      + Announce - aggregate of 146.127.40.0/24 (6939 32787 6303) and 146.127.41.0/24 (6939 32787 6303)
  146.127.40.0/24      6939 32787 6303      - Withdrawn - aggregated with 146.127.41.0/24 (6939 32787 6303)
  146.127.41.0/24      6939 32787 6303      - Withdrawn - aggregated with 146.127.40.0/24 (6939 32787 6303)
  146.127.60.0/23      6939 6461 6303         
  146.127.61.0/24      6939 32787 6303        
  146.127.222.0/23     6939 6461 6303         
  146.127.223.0/24     7018 32787 6303        
  146.127.224.0/19     6939 6461 6303       + Announce - aggregate of 146.127.224.0/20 (6939 6461 6303) and 146.127.240.0/20 (6939 6461 6303)
  146.127.224.0/20     6939 6461 6303       - Withdrawn - aggregated with 146.127.240.0/20 (6939 6461 6303)
  146.127.224.0/21     6939 6461 6303       - Withdrawn - matching aggregate 146.127.224.0/20 6939 6461 6303
  146.127.224.0/22     6939 32787 6303      + Announce - aggregate of 146.127.224.0/23 (6939 32787 6303) and 146.127.226.0/23 (6939 32787 6303)
  146.127.224.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.225.0/24 (6939 32787 6303)
  146.127.225.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.224.0/24 (6939 32787 6303)
  146.127.226.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.227.0/24 (6939 32787 6303)
  146.127.227.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.226.0/24 (6939 32787 6303)
  146.127.228.0/23     6939 32787 6303      + Announce - aggregate of 146.127.228.0/24 (6939 32787 6303) and 146.127.229.0/24 (6939 32787 6303)
  146.127.228.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.229.0/24 (6939 32787 6303)
  146.127.229.0/24     6939 32787 6303      - Withdrawn - aggregated with 146.127.228.0/24 (6939 32787 6303)
  146.127.240.0/21     7018 3356 18971 14733 6303   
  146.127.240.0/22     6939 6461 6303       - Withdrawn - aggregated with 146.127.244.0/22 (6939 6461 6303)
  146.127.240.0/24     6939 32787 6303        
  146.127.241.0/24     7018 32787 6303        
  146.127.242.0/24     7018 32787 6303        
  146.127.243.0/24     2914 32787 6303        
  146.127.244.0/22     6939 6461 6303       - Withdrawn - aggregated with 146.127.240.0/22 (6939 6461 6303)
  146.127.244.0/24     6939 32787 6303        
  146.127.246.0/24     6939 32787 6303        
  146.127.248.0/21     6939 6461 6303       - Withdrawn - aggregated with 146.127.240.0/21 (6939 6461 6303)
  157.83.142.0/23      6939 32787 6303      + Announce - aggregate of 157.83.142.0/24 (6939 32787 6303) and 157.83.143.0/24 (6939 32787 6303)
  157.83.142.0/24      6939 32787 6303      - Withdrawn - aggregated with 157.83.143.0/24 (6939 32787 6303)
  157.83.143.0/24      6939 32787 6303      - Withdrawn - aggregated with 157.83.142.0/24 (6939 32787 6303)
  167.203.48.0/22      7018 3356 18971 14733 6303   
  167.203.48.0/23      6939 6461 6303         
  167.203.48.0/23      6939 32787 6303      + Announce - aggregate of 167.203.48.0/24 (6939 32787 6303) and 167.203.49.0/24 (6939 32787 6303)
  167.203.48.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.49.0/24 (6939 32787 6303)
  167.203.49.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.48.0/24 (6939 32787 6303)
  167.203.50.0/23      6939 6461 6303         
  167.203.50.0/23      6939 32787 6303      + Announce - aggregate of 167.203.50.0/24 (6939 32787 6303) and 167.203.51.0/24 (6939 32787 6303)
  167.203.50.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.51.0/24 (6939 32787 6303)
  167.203.51.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.50.0/24 (6939 32787 6303)
  167.203.60.0/23      6939 6461 6303         
  167.203.60.0/23      6939 32787 6303      + Announce - aggregate of 167.203.60.0/24 (6939 32787 6303) and 167.203.61.0/24 (6939 32787 6303)
  167.203.60.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.61.0/24 (6939 32787 6303)
  167.203.61.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.60.0/24 (6939 32787 6303)
  167.203.62.0/23      6939 6461 6303         
  167.203.62.0/23      6939 32787 6303      + Announce - aggregate of 167.203.62.0/24 (6939 32787 6303) and 167.203.63.0/24 (6939 32787 6303)
  167.203.62.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.63.0/24 (6939 32787 6303)
  167.203.63.0/24      6939 32787 6303      - Withdrawn - aggregated with 167.203.62.0/24 (6939 32787 6303)
  192.107.28.0/24      6939 32787 6303        
  192.147.56.0/23      6939 6461 6303         
  192.147.57.0/24      7018 32787 6303        

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

AS6303   39 More Specifics   39 Total Advertisements   BARCLAYS-CAPITAL, US
    63.78.242.0/24                63.64.0.0/10
    146.127.40.0/23               146.127.0.0/16
    146.127.40.0/24               146.127.0.0/16
    146.127.41.0/24               146.127.0.0/16
    146.127.61.0/24               146.127.0.0/16
    146.127.222.0/23              146.127.0.0/16
    146.127.223.0/24              146.127.0.0/16
    146.127.224.0/21              146.127.0.0/16
    146.127.224.0/24              146.127.0.0/16
    146.127.225.0/24              146.127.0.0/16
    146.127.226.0/24              146.127.0.0/16
    146.127.227.0/24              146.127.0.0/16
    146.127.228.0/24              146.127.0.0/16
    146.127.229.0/24              146.127.0.0/16
    146.127.240.0/21              146.127.0.0/16
    146.127.240.0/22              146.127.0.0/16
    146.127.240.0/24              146.127.0.0/16
    146.127.241.0/24              146.127.0.0/16
    146.127.242.0/24              146.127.0.0/16
    146.127.243.0/24              146.127.0.0/16
    146.127.244.0/22              146.127.0.0/16
    146.127.244.0/24              146.127.0.0/16
    146.127.246.0/24              146.127.0.0/16
    146.127.248.0/21              146.127.0.0/16
    157.83.142.0/24               157.83.0.0/16
    157.83.143.0/24               157.83.0.0/16
    167.203.48.0/22               167.203.0.0/16
    167.203.48.0/23               167.203.0.0/16
    167.203.48.0/24               167.203.0.0/16
    167.203.49.0/24               167.203.0.0/16
    167.203.50.0/23               167.203.0.0/16
    167.203.50.0/24               167.203.0.0/16
    167.203.51.0/24               167.203.0.0/16
    167.203.60.0/23               167.203.0.0/16
    167.203.60.0/24               167.203.0.0/16
    167.203.61.0/24               167.203.0.0/16
    192.107.28.0/24               192.107.28.0/22
    192.147.56.0/23               192.147.56.0/21
    192.147.57.0/24               192.147.56.0/21
    167.203.62.0/23               167.203.0.0/16
    167.203.62.0/24               167.203.0.0/16
    167.203.63.0/24               167.203.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 167.203.62.0/23             Withdrawn
    - 167.203.62.0/24             Withdrawn
    - 167.203.63.0/24             Withdrawn

Whois Entry

whois: 402549

IANA has recorded AS6303 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS6303\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:       6303
             ASName:         BARCLAYS-CAPITAL
             ASHandle:       AS6303
             RegDate:        1996-02-29
             Updated:        2012-04-02
             Ref:            https://rdap.arin.net/registry/autnum/6303
             
             
             OrgName:        Barclays Capital
             OrgId:          BARCL-5-Z
             Address:        745 7th Ave
             City:           New Yrok
             StateProv:      NY
             PostalCode:     10019
             Country:        US
             RegDate:        2009-06-01
             Updated:        2025-07-21
             Ref:            https://rdap.arin.net/registry/entity/BARCL-5-Z
             
             
             OrgAbuseHandle: COA2-ARIN
             OrgAbuseName:   Connectivity Operations America
             OrgAbusePhone:  +1-212-412-2820 
             OrgAbuseEmail:  gtisntconnectivity1@barclayscapital.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/COA2-ARIN
             
             OrgRoutingHandle: COA2-ARIN
             OrgRoutingName:   Connectivity Operations America
             OrgRoutingPhone:  +1-212-412-2820 
             OrgRoutingEmail:  gtisntconnectivity1@barclayscapital.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/COA2-ARIN
             
             OrgDNSHandle: LEBED9-ARIN
             OrgDNSName:   Lebedinec, Dmitrij 
             OrgDNSPhone:  + 44   7441462399 
             OrgDNSEmail:  dmitrij.lebedinec@barclays.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/LEBED9-ARIN
             
             OrgDNSHandle: COA2-ARIN
             OrgDNSName:   Connectivity Operations America
             OrgDNSPhone:  +1-212-412-2820 
             OrgDNSEmail:  gtisntconnectivity1@barclayscapital.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/COA2-ARIN
             
             OrgNOCHandle: COA2-ARIN
             OrgNOCName:   Connectivity Operations America
             OrgNOCPhone:  +1-212-412-2820 
             OrgNOCEmail:  gtisntconnectivity1@barclayscapital.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/COA2-ARIN
             
             OrgTechHandle: COA2-ARIN
             OrgTechName:   Connectivity Operations America
             OrgTechPhone:  +1-212-412-2820 
             OrgTechEmail:  gtisntconnectivity1@barclayscapital.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/COA2-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.
             #