Report for 47638

Name

CADENCE-AS - Cadence Networks Ltd, 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 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.

47638 CADENCE-AS - Cadence Networks Ltd, GB

  Adjacency:     7  Upstream:     4  Downstream:     3
  Upstream Adjacent AS list
    AS7575          AARNET-AS-AP - Australian Academic and Research Network (AARNet), AU
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS1299          TWELVE99 - Arelion Sweden AB, SE
  Downstream Adjacent AS list
    AS204776        Mintopia - Jessica Smith, GB
    AS210062        BARRITEL-LON-THN - Barritel Ltd, GB
    AS198426        Voneus - Voneus Ltd, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8279  AS47638        ORG+TRN Originate:      14848 /18.14  Transit:       1280 /21.68 CADENCE-AS - Cadence Networks Ltd, 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       %
 7488 AS47638       CADENCE-AS - Cadence Networks Ltd, GB             21      6      0     15      6  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  23.90.64.0/22        4608 7575 47638        
  91.229.174.0/23      4608 7575 47638        
  91.235.56.0/22       4608 7575 47638        
  91.237.197.0/24      4608 7575 47638        
  149.255.168.0/21     4608 7575 47638        
  185.46.200.0/22      4608 7575 47638        
  185.46.200.0/23      4608 7575 47638      - Withdrawn - matching aggregate 185.46.200.0/22 4608 7575 47638
  185.59.204.0/22      4608 7575 47638        
  185.66.204.0/22      4608 7575 47638        
  185.66.205.0/24      4608 7575 47638      - Withdrawn - matching aggregate 185.66.204.0/22 4608 7575 47638
  185.66.206.0/24      4608 7575 47638      - Withdrawn - matching aggregate 185.66.204.0/22 4608 7575 47638
  185.149.208.0/24     4608 7575 47638        
  185.149.210.0/23     4608 7575 47638        
  185.152.8.0/22       4608 7575 47638        
  185.161.132.0/22     4608 7575 47638        
  185.161.133.0/24     4608 7575 47638      - Withdrawn - matching aggregate 185.161.132.0/22 4608 7575 47638
  185.161.134.0/24     4608 7575 47638      - Withdrawn - matching aggregate 185.161.132.0/22 4608 7575 47638
  185.161.135.0/24     4608 7575 47638      - Withdrawn - matching aggregate 185.161.132.0/22 4608 7575 47638
  185.213.92.0/22      4608 7575 47638        
  192.33.132.0/24      4608 7575 47638        
  194.0.116.0/22       4608 7575 47638        

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

AS47638   9 More Specifics   21 Total Advertisements   CADENCE-AS - Cadence Networks Ltd, GB
    185.46.200.0/23               185.46.200.0/22
    185.66.205.0/24               185.66.204.0/22
    185.66.206.0/24               185.66.204.0/22
    185.149.208.0/24              185.149.208.0/22
    185.149.210.0/23              185.149.208.0/22
    185.161.133.0/24              185.161.132.0/22
    185.161.134.0/24              185.161.132.0/22
    185.161.135.0/24              185.161.132.0/22
    192.33.132.0/24               192.33.132.0/23

Whois Entry

whois: 402609

IANA has recorded AS47638 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS47638\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 'AS47385 - AS47868'
             
             as-block:       AS47385 - AS47868
             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:        2024-07-08T14:18:47Z
             last-modified:  2024-07-08T14:18:47Z
             source:         RIPE
             
             % Information related to 'AS47638'
             
             % Abuse contact for 'AS47638' is 'abuse@cadence.net.uk'
             
             aut-num:        AS47638
             as-name:        CADENCE-AS
             descr:          Cadence Networks Ltd
             org:            ORG-CSL26-RIPE
             import:         from AS197913 accept AS197913
             import:         from AS174 accept ANY
             import:         from AS2914 accept ANY
             import:         from AS60255 accept AS60255
             import:         from AS213210 accept AS213210
             export:         to AS197913 announce ANY
             export:         to AS174 announce AS-CADENCE
             export:         to AS2914 announce AS-CADENCE
             export:         to AS60255 announce ANY
             export:         to AS6939 announce AS-CADENCE
             export:         to AS213210 announce ANY
             admin-c:        AG12011-RIPE
             tech-c:         AG12011-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         CADENCE-MNT
             created:        2018-04-17T12:03:56Z
             last-modified:  2023-08-17T16:54:34Z
             source:         RIPE
             
             organisation:   ORG-CSL26-RIPE
             org-name:       Cadence Networks Ltd
             country:        GB
             reg-nr:         06852472
             org-type:       LIR
             address:        6th Floor One London Wall
             address:        EC2Y 5EB
             address:        London
             address:        UNITED KINGDOM
             phone:          +442034756800
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        CADENCE-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         CADENCE-MNT
             admin-c:        AG12011-RIPE
             abuse-c:        AR19129-RIPE
             created:        2014-05-28T15:36:26Z
             last-modified:  2026-05-13T07:35:34Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)