Report for 7257

Name

MARU-NET MARU, JP

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.

7257 MARU-NET MARU, JP

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS9663          MARU-AS-JP OTO GK, CA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
47853 AS7257         ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  MARU-NET MARU, JP

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       %
31046 AS7257        MARU-NET MARU, JP                                  2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  168.151.54.0/24      4777 2516 6453 30058 9663 7257   
  208.88.66.0/24       4777 2516 2914 30058 9663 7257   

Whois Entry

whois: 402332

IANA has recorded AS7257 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS7257\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 'AS7257 - AS7257'
             
             as-block:       AS7257 - AS7257
             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:        2026-01-26T15:19:27Z
             last-modified:  2026-01-26T15:19:27Z
             source:         RIPE
             
             % Information related to 'AS7257'
             
             % Abuse contact for 'AS7257' is 'otoiawase@k.maru.co.jp'
             
             aut-num:        AS7257
             as-name:        MARU-NET
             descr:          MARU
             org:            ORG-MARU1-RIPE
             sponsoring-org: ORG-MBC3-RIPE
             admin-c:        MARU3-RIPE
             tech-c:         MARU3-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         MARU-MNT
             created:        2026-01-26T15:19:49Z
             last-modified:  2026-03-03T06:54:52Z
             source:         RIPE
             
             organisation:   ORG-MARU1-RIPE
             org-name:       OTO GK
             org-type:       OTHER
             address:        3-39-12 Hatagaya, Shibuya-ku, Tokyo 151-0072
             country:        JP
             reg-nr:         8011003022790
             abuse-c:        MARU3-RIPE
             mnt-ref:        MARU-MNT
             created:        2025-11-02T19:42:02Z
             last-modified:  2026-04-29T06:23:10Z
             source:         RIPE # Filtered
             mnt-by:         MARU-MNT
             
             role:           MARU
             abuse-mailbox:  otoiawase@k.maru.co.jp
             address:        JP
             nic-hdl:        MARU3-RIPE
             created:        2025-11-02T19:37:37Z
             last-modified:  2025-12-28T05:10:51Z
             source:         RIPE # Filtered
             mnt-by:         MARU-MNT
             
             % This query was served by the RIPE Database Query Service version 1.122 (DEXTER)