Report for 199710

Name

PERFORM-AS, 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.

199710 PERFORM-AS, GB

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS5405          INTERDOTLINK powered by Inter.link, DE
    AS201933        AS4NET, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
31478 AS199710       ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  PERFORM-AS, 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       %
18591 AS199710      PERFORM-AS, GB                                     5      2      0      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.42.236.0/23      4777 2497 3257 5405 199710   
  185.42.236.0/24      4777 2497 3257 5405 199710 - Withdrawn - matching aggregate 185.42.236.0/23 4777 2497 3257 5405 199710
  185.42.237.0/24      4777 2497 3257 5405 199710 - Withdrawn - matching aggregate 185.42.236.0/23 4777 2497 3257 5405 199710
  185.42.238.0/24      4777 2516 3356 3223 201933 199710   
  185.42.239.0/24      4777 2497 1299 199710   

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

AS199710   5 More Specifics   5 Total Advertisements   PERFORM-AS, GB
    185.42.236.0/23               185.42.236.0/22
    185.42.236.0/24               185.42.236.0/22
    185.42.237.0/24               185.42.236.0/22
    185.42.238.0/24               185.42.236.0/22
    185.42.239.0/24               185.42.236.0/22

Whois Entry

whois: 402332

IANA has recorded AS199710 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS199710\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 'AS199178 - AS200350'
             
             as-block:       AS199178 - AS200350
             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:        2025-11-24T15:16:53Z
             last-modified:  2025-11-24T15:16:53Z
             source:         RIPE
             
             % Information related to 'AS199710'
             
             % Abuse contact for 'AS199710' is 'Network.Support@dazn.com'
             
             aut-num:        AS199710
             as-name:        PERFORM-AS
             org:            ORG-PMSL2-RIPE
             import:         from AS5089 accept ANY
             import:         from AS5580 accept ANY
             export:         to AS5089 announce AS199710
             export:         to AS5580 announce AS199710
             admin-c:        NOT12-RIPE
             tech-c:         CD6251-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MAINT_UK_DAZN
             created:        2014-02-28T07:08:05Z
             last-modified:  2025-06-11T11:52:18Z
             source:         RIPE
             
             organisation:   ORG-PMSL2-RIPE
             org-name:       DAZN MEDIA SERVICES LIMITED
             country:        GB
             org-type:       LIR
             address:        12 Hammersmith Grove
             address:        W6 7AP
             address:        London
             address:        UNITED KINGDOM
             phone:          +442033720666
             fax-no:         +442089170803
             abuse-c:        AA36449-RIPE
             mnt-ref:        Perform_RIPE
             mnt-ref:        MAINT_UK_DAZN
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         MAINT_UK_DAZN
             created:        2013-11-04T11:11:04Z
             last-modified:  2022-05-10T08:20:01Z
             source:         RIPE # Filtered
             admin-c:        TS35067-RIPE
             admin-c:        CD6251-RIPE
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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