Report for 20705

Name

HSBC-UK - HSBC-UK, GB

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.

20705 HSBC-UK, GB

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS2856          BT-UK-AS BTnet UK Regional network, GB
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6615  AS20705        ORIGIN  Originate:      21504 /17.61  Transit:          0 /0.00  HSBC-UK, GB

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       %
 5004 AS20705       HSBC-UK, GB                                       28     16      6     18     10  35.71%


  Prefix               AS Path                              Aggregation Suggestion
  91.214.4.0/22        6939 3356 20705        
  91.214.4.0/22        293 3356 20705       + Announce - aggregate of 91.214.4.0/23 (293 3356 20705) and 91.214.6.0/23 (293 3356 20705)
  91.214.4.0/23        293 3356 20705       - Withdrawn - aggregated with 91.214.6.0/23 (293 3356 20705)
  91.214.6.0/23        293 3356 20705       - Withdrawn - aggregated with 91.214.4.0/23 (293 3356 20705)
  91.214.6.0/24        2497 32787 20705       
  161.113.224.0/19     6939 3356 20705        
  161.113.224.0/23     293 3356 20705         
  161.113.224.0/23     2497 32787 20705     + Announce - aggregate of 161.113.224.0/24 (2497 32787 20705) and 161.113.225.0/24 (2497 32787 20705)
  161.113.224.0/24     2497 32787 20705     - Withdrawn - aggregated with 161.113.225.0/24 (2497 32787 20705)
  161.113.225.0/24     2497 32787 20705     - Withdrawn - aggregated with 161.113.224.0/24 (2497 32787 20705)
  161.113.226.0/23     293 3356 20705         
  161.113.228.0/22     293 3356 20705       + Announce - aggregate of 161.113.228.0/23 (293 3356 20705) and 161.113.230.0/23 (293 3356 20705)
  161.113.228.0/23     293 3356 20705       - Withdrawn - aggregated with 161.113.230.0/23 (293 3356 20705)
  161.113.229.0/24     2497 32787 20705       
  161.113.230.0/23     293 3356 20705       - Withdrawn - aggregated with 161.113.228.0/23 (293 3356 20705)
  161.113.232.0/23     293 3356 20705         
  161.113.233.0/24     2497 32787 20705       
  161.113.238.0/23     6939 3356 20705      - Withdrawn - matching aggregate 161.113.224.0/19 6939 3356 20705
  161.113.239.0/24     6939 3356 20705      - Withdrawn - matching aggregate 161.113.224.0/19 6939 3356 20705
  161.113.240.0/22     293 3356 20705       + Announce - aggregate of 161.113.240.0/23 (293 3356 20705) and 161.113.242.0/23 (293 3356 20705)
  161.113.240.0/23     293 3356 20705       - Withdrawn - aggregated with 161.113.242.0/23 (293 3356 20705)
  161.113.242.0/23     293 3356 20705       - Withdrawn - aggregated with 161.113.240.0/23 (293 3356 20705)
  161.113.254.0/23     293 3356 20705         
  161.113.254.0/23     2497 32787 20705     + Announce - aggregate of 161.113.254.0/24 (2497 32787 20705) and 161.113.255.0/24 (2497 32787 20705)
  161.113.254.0/24     2497 32787 20705     - Withdrawn - aggregated with 161.113.255.0/24 (2497 32787 20705)
  161.113.255.0/24     2497 32787 20705     - Withdrawn - aggregated with 161.113.254.0/24 (2497 32787 20705)
  193.108.72.0/21      6939 3356 20705        
  193.108.72.0/21      293 3356 20705       + Announce - aggregate of 193.108.72.0/22 (293 3356 20705) and 193.108.76.0/22 (293 3356 20705)
  193.108.72.0/23      293 3356 20705       - Withdrawn - aggregated with 193.108.74.0/23 (293 3356 20705)
  193.108.74.0/23      293 3356 20705       - Withdrawn - aggregated with 193.108.72.0/23 (293 3356 20705)
  193.108.75.0/24      2497 32787 20705       
  193.108.76.0/23      293 3356 20705       - Withdrawn - aggregated with 193.108.78.0/23 (293 3356 20705)
  193.108.77.0/24      2497 32787 20705       
  193.108.78.0/23      293 3356 20705       - Withdrawn - aggregated with 193.108.76.0/23 (293 3356 20705)

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

AS20705   23 More Specifics   25 Total Advertisements   HSBC-UK, GB
    91.214.4.0/23                 91.214.4.0/22
    91.214.6.0/23                 91.214.4.0/22
    91.214.6.0/24                 91.214.4.0/22
    161.113.224.0/19              161.113.0.0/16
    161.113.224.0/23              161.113.0.0/16
    161.113.224.0/24              161.113.0.0/16
    161.113.225.0/24              161.113.0.0/16
    161.113.226.0/23              161.113.0.0/16
    161.113.228.0/23              161.113.0.0/16
    161.113.230.0/23              161.113.0.0/16
    161.113.232.0/23              161.113.0.0/16
    161.113.233.0/24              161.113.0.0/16
    161.113.240.0/23              161.113.0.0/16
    161.113.242.0/23              161.113.0.0/16
    161.113.254.0/23              161.113.0.0/16
    161.113.254.0/24              161.113.0.0/16
    161.113.255.0/24              161.113.0.0/16
    193.108.72.0/23               193.108.72.0/21
    193.108.74.0/23               193.108.72.0/21
    193.108.75.0/24               193.108.72.0/21
    193.108.76.0/23               193.108.72.0/21
    193.108.77.0/24               193.108.72.0/21
    193.108.78.0/23               193.108.72.0/21

Whois Entry

whois: 402603

IANA has recorded AS20705 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20705\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             % Note: this output has been filtered.
             
             % Information related to 'AS20485 - AS20857'
             
             as-block:       AS20485 - AS20857
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2018-11-22T15:27:27Z
             last-modified:  2018-11-22T15:27:27Z
             source:         RIPE
             
             % Information related to 'AS20705'
             
             % Abuse contact for 'AS20705' is 'dns.hsbc@hsbc.com'
             
             aut-num:        AS20705
             as-name:        HSBC-UK
             org:            ORG-HBp1-RIPE
             import:         from AS701 action pref=100; accept ANY
             import:         from AS1273 action pref=100; accept ANY
             export:         to AS701 announce AS20705
             export:         to AS1273 announce AS20705
             admin-c:        TN1290-RIPE
             admin-c:        GB9869-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             tech-c:         TN1290-RIPE
             tech-c:         HT2842-RIPE
             mnt-by:         HSBC-MNT
             created:        1970-01-01T00:00:00Z
             last-modified:  2025-07-14T13:12:10Z
             source:         RIPE # Filtered
             sponsoring-org: ORG-UA24-RIPE
             
             organisation:   ORG-HBP1-RIPE
             org-name:       HSBC Bank plc
             country:        GB
             reg-nr:         00014259
             org-type:       OTHER
             address:        Wentworth Industrial Park Maple Road Tankersly Barnsley S75 3DJ UK
             abuse-c:        AR22870-RIPE
             admin-c:        HT2842-RIPE
             phone:          +44 1226 745900
             mnt-ref:        AS1849-MNT
             mnt-by:         AS1849-MNT
             mnt-by:         HSBC-MNT
             created:        2009-03-20T13:19:49Z
             last-modified:  2026-05-13T05:29:49Z
             source:         RIPE # Filtered
             
             role:           HSBC Telecoms
             address:        HSBC Bank Plc, Grosvenor House, 1 Wellington Street, Sheffield, S1 4NB
             abuse-mailbox:  dns.hsbc@hsbc.com
             phone:          +44 (0) 1226 353 488
             admin-c:        GB9869-RIPE
             admin-c:        AH11827-RIPE
             admin-c:        TN1290-RIPE
             admin-c:        RW4625-RIPE
             nic-hdl:        HT2842-RIPE
             mnt-by:         HSBC-MNT
             created:        2017-04-05T16:43:21Z
             last-modified:  2025-07-14T13:15:26Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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             % Access from your host has been temporarily denied.
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             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)