Report for 204445

Name

BAHN-WiFi-AS - DB Systel GmbH, 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 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.

204445 BAHN-WiFi-AS - DB Systel GmbH, DE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3209          VODANET - Vodafone GmbH, DE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
40032 AS204445       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  BAHN-WiFi-AS - DB Systel GmbH, 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       %
27246 AS204445      BAHN-WiFi-AS - DB Systel GmbH, DE                  2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.109.152.0/22     4608 7575 3356 3209 204445 + Announce - aggregate of 185.109.152.0/23 (4608 7575 3356 3209 204445) and 185.109.154.0/23 (4608 7575 3356 3209 204445)
  185.109.152.0/23     4608 7575 3356 3209 204445 - Withdrawn - aggregated with 185.109.154.0/23 (4608 7575 3356 3209 204445)
  185.109.154.0/23     4608 7575 3356 3209 204445 - Withdrawn - aggregated with 185.109.152.0/23 (4608 7575 3356 3209 204445)

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

AS204445   2 More Specifics   2 Total Advertisements   BAHN-WiFi-AS - DB Systel GmbH, DE
    185.109.152.0/23              185.109.152.0/22
    185.109.154.0/23              185.109.152.0/22

Whois Entry

whois: 402609

IANA has recorded AS204445 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS204445\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 'AS203940 - AS205662'
             
             as-block:       AS203940 - AS205662
             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:        2026-03-05T15:29:31Z
             last-modified:  2026-03-05T15:29:31Z
             source:         RIPE
             
             % Information related to 'AS204445'
             
             % Abuse contact for 'AS204445' is 'db.systel.compliance@deutschebahn.com'
             
             aut-num:        AS204445
             as-name:        BAHN-WiFi-AS
             org:            ORG-DBAD1-RIPE
             import:         from AS8881 accept ANY
             import:         from AS3209 accept ANY
             export:         to AS8881 announce AS204445
             export:         to AS3209 announce AS204445
             admin-c:        DSK4-RIPE
             tech-c:         DSK4-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         BAHN
             created:        2018-03-09T10:11:50Z
             last-modified:  2022-10-14T08:09:46Z
             source:         RIPE # Filtered
             
             organisation:   ORG-DBAD1-RIPE
             org-name:       DB Systel GmbH
             country:        DE
             reg-nr:         District court Frankfurt am Main HRB 78707
             org-type:       LIR
             address:        Jürgen-Ponto-Platz 1
             address:        D-60329
             address:        Frankfurt am Main
             address:        GERMANY
             phone:          +496926552569
             fax-no:         +496926557763
             admin-c:        DS14747-RIPE
             admin-c:        DSK4-RIPE
             admin-c:        ST1952-RIPE
             admin-c:        LW2544-RIPE
             admin-c:        RB45915-RIPE
             mnt-ref:        BAHN
             tech-c:         RB45915-RIPE
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         BAHN
             abuse-c:        DBAB666-RIPE
             created:        2004-04-17T11:05:30Z
             last-modified:  2026-06-03T14:41:15Z
             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)