Report for 397025

Name

Alstom - Alstom Transport SA, FR

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.

397025 Alstom - Alstom Transport SA, FR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE - GTT Communications Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57687 AS397025       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  Alstom - Alstom Transport SA, FR

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       %
75573 AS397025      Alstom - Alstom Transport SA, FR                   2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  160.223.180.0/24     4777 2516 3257 397025   
  160.223.181.0/24     4777 2516 3257 397025 397025 397025   

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

AS397025   2 More Specifics   2 Total Advertisements   Alstom - Alstom Transport SA, FR
    160.223.180.0/24              160.223.180.0/23
    160.223.181.0/24              160.223.180.0/23

Whois Entry

whois: 402603

IANA has recorded AS397025 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397025\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 'AS397025 - AS397025'
             
             as-block:       AS397025 - AS397025
             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:        2025-06-17T13:14:26Z
             last-modified:  2025-06-17T13:14:26Z
             source:         RIPE
             
             % Information related to 'AS397025'
             
             % Abuse contact for 'AS397025' is 'abuse@alstomgroup.com'
             
             aut-num:        AS397025
             as-name:        Alstom
             org:            ORG-ATS89-RIPE
             admin-c:        ND7743-RIPE
             tech-c:         ND7743-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         lir-fr-alstomtransport-1-MNT
             created:        2025-06-17T13:21:38Z
             last-modified:  2025-06-17T13:21:38Z
             source:         RIPE
             
             organisation:   ORG-ATS89-RIPE
             org-name:       Alstom Transport SA
             country:        FR
             reg-nr:         389 191 982  R.C.S. BOBIGNY
             org-type:       LIR
             address:        48 rue Albert Dhalenne
             address:        93482
             address:        Saint-Ouen-sur-Seine Cedex
             address:        FRANCE
             phone:          +33 1 57 06 90 00
             admin-c:        ND7743-RIPE
             tech-c:         ND7743-RIPE
             abuse-c:        AR70298-RIPE
             mnt-ref:        lir-fr-alstomtransport-1-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         lir-fr-alstomtransport-1-MNT
             created:        2023-05-09T14:21:49Z
             last-modified:  2026-05-13T07:06:17Z
             source:         RIPE # Filtered
             
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