Report for 4729

Name

JAEA Japan Atomic Energy Agency, 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.

4729 JAEA Japan Atomic Energy Agency, JP

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS2907          SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1925  AS4729         ORIGIN  Originate:     131072 /15.00  Transit:          0 /0.00  JAEA Japan Atomic Energy Agency, 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       %
30612 AS4729        JAEA Japan Atomic Energy Agency, JP                2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  133.53.0.0/16        4777 2907 4729         
  133.188.0.0/16       4777 2907 4729         

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

AS4729   2 More Specifics   2 Total Advertisements   JAEA Japan Atomic Energy Agency, JP
    133.53.0.0/16                 133.0.0.0/8
    133.188.0.0/16                133.0.0.0/8

Whois Entry

whois: 402332

IANA has recorded AS4729 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS4729\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS4608 - AS4865'
             
             as-block:       AS4608 - AS4865
             descr:          APNIC ASN block
             remarks:        These AS numbers are further assigned by APNIC
             remarks:        to APNIC members and end-users in the APNIC region
             admin-c:        HM20-AP
             tech-c:         HM20-AP
             mnt-by:         APNIC-HM
             mnt-lower:      APNIC-HM
             last-modified:  2019-05-20T03:52:26Z
             source:         APNIC
             
             % Information related to 'AS4683 - AS4735'
             
             as-block:       AS4683 - AS4735
             descr:          JPNIC-2Byte-ASBLOCK-AP
             descr:          for assignment to JPNIC members
             country:        JP
             admin-c:        JNIC1-AP
             tech-c:         JNIC1-AP
             remarks:        Authoritative information regarding AS Number
             remarks:        assignments made from within this block can be
             remarks:        queried at whois.nic.ad.jp.
             remarks:        To only display English output,
             remarks:        add '/e' at the end of command,
             remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
             mnt-by:         APNIC-HM
             mnt-lower:      MAINT-JPNIC
             last-modified:  2023-08-28T04:50:39Z
             source:         APNIC
             
             % Information related to 'AS4729'
             
             % Abuse contact for 'AS4729' is 'hostmaster@nic.ad.jp'
             
             aut-num:        AS4729
             as-name:        JAERINET
             descr:          Japan Atomic Energy Agency
             descr:          Funaishikawa 765-1, Tokai-mura, Naka-gun, Ibaraki
             admin-c:        JNIC1-AP
             tech-c:         JNIC1-AP
             remarks:        Email address for spam or abuse complaints : ccse-jpnic@ml.jaea.go.jp
             country:        JP
             mnt-by:         MAINT-JPNIC
             mnt-irt:        IRT-JPNIC-JP
             last-modified:  2024-10-21T14:55:01Z
             source:         APNIC
             
             % Information related to 'AS4729'
             
             aut-num:        AS4729
             as-name:        JAEA
             descr:          Japan Atomic Energy Agency
             import:
             export:
             country:        JP
             admin-c:        TS82120JP
             tech-c:         IM19500JP
             tech-c:         TS90843JP
             last-modified:  2025-12-19T20:11:02Z
             remarks:        This information has been partially mirrored by APNIC from
             remarks:        JPNIC. To obtain more specific information, please use the
             remarks:        JPNIC WHOIS Gateway at
             remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
             remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
             remarks:        defaults to Japanese output, use the /e switch for English
             remarks:        output)
             source:         JPNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)