Report for 51871

Name

F1-CONSULT - F1-CONSULT GmbH & Co. KG, DE

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.

51871 F1-CONSULT, DE

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3320          DTAG Internet service provider operations, DE
    AS3491          CONSOLE-CONNECT-ASN, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18863 AS51871        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  F1-CONSULT, DE

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       %
13254 AS51871       F1-CONSULT, DE                                     8      5      2      5      3  37.50%


  Prefix               AS Path                              Aggregation Suggestion
  185.239.20.0/22      293 3491 51871         
  185.239.20.0/24      6939 3320 51871        
  185.239.21.0/24      293 3491 51871       - Withdrawn - matching aggregate 185.239.20.0/22 293 3491 51871
  193.34.28.0/22       293 3491 51871         
  193.34.28.0/23       3257 3491 51871      + Announce - aggregate of 193.34.28.0/24 (3257 3491 51871) and 193.34.29.0/24 (3257 3491 51871)
  193.34.28.0/24       3257 3491 51871      - Withdrawn - aggregated with 193.34.29.0/24 (3257 3491 51871)
  193.34.29.0/24       3257 3491 51871      - Withdrawn - aggregated with 193.34.28.0/24 (3257 3491 51871)
  193.34.30.0/23       6939 3320 51871      + Announce - aggregate of 193.34.30.0/24 (6939 3320 51871) and 193.34.31.0/24 (6939 3320 51871)
  193.34.30.0/24       6939 3320 51871      - Withdrawn - aggregated with 193.34.31.0/24 (6939 3320 51871)
  193.34.31.0/24       6939 3320 51871      - Withdrawn - aggregated with 193.34.30.0/24 (6939 3320 51871)

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

AS51871   4 More Specifics   5 Total Advertisements   F1-CONSULT, DE
    193.34.28.0/24                193.34.28.0/22
    193.34.29.0/24                193.34.28.0/22
    193.34.30.0/24                193.34.28.0/22
    193.34.31.0/24                193.34.28.0/22
    185.239.20.0/24               185.239.20.0/22
    185.239.21.0/24               185.239.20.0/22
    185.239.22.0/24               185.239.20.0/22
    185.239.23.0/24               185.239.20.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 185.239.20.0/22             Withdrawn
    - 185.239.20.0/24             Withdrawn
    - 185.239.21.0/24             Withdrawn
    - 185.239.22.0/24             Withdrawn
    - 185.239.23.0/24             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS51871 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51871\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 'AS51857 - AS52209'
             
             as-block:       AS51857 - AS52209
             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:        2024-12-12T14:34:06Z
             last-modified:  2024-12-12T14:34:06Z
             source:         RIPE
             
             % Information related to 'AS51871'
             
             % Abuse contact for 'AS51871' is 'abuse@f1-consult.com'
             
             aut-num:        AS51871
             as-name:        F1-CONSULT
             org:            ORG-FGCK5-RIPE
             import:         from AS8928 accept ANY
             import:         from AS3320 accept ANY
             import:         from AS3491 accept ANY
             export:         to AS8928 announce AS51871
             export:         to AS3320 announce AS51871
             export:         to AS3491 announce AS51871
             mp-import:      afi ipv6.unicast from AS8928 accept ANY
             mp-import:      afi ipv6.unicast from AS3320 accept ANY
             mp-import:      afi ipv6.unicast from AS3491 accept ANY
             mp-export:      afi ipv6.unicast to AS8928 announce AS51871
             mp-export:      afi ipv6.unicast to AS3320 announce AS51871
             mp-export:      afi ipv6.unicast to AS3491 announce AS51871
             admin-c:        WR716-RIPE
             tech-c:         WR716-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         F1CONS-MNT
             mnt-by:         de-f1-consult-1-mnt
             created:        2010-11-18T17:44:35Z
             last-modified:  2023-12-15T16:10:01Z
             source:         RIPE
             
             organisation:   ORG-FGCK5-RIPE
             org-name:       F1-CONSULT GmbH & Co. KG
             country:        DE
             reg-nr:         District court Fürth HRA 10609
             org-type:       LIR
             address:        Am Leitenbruennlein 22
             address:        91056
             address:        Erlangen
             address:        GERMANY
             phone:          +499131610310
             fax-no:         +499131610333
             admin-c:        WR1694-RIPE
             tech-c:         WR1694-RIPE
             abuse-c:        AR44502-RIPE
             mnt-ref:        de-f1-consult-1-mnt
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         de-f1-consult-1-mnt
             created:        2017-12-30T08:40:27Z
             last-modified:  2026-05-13T07:09:52Z
             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 (ABERDEEN)