Report for 37917

Name

UTINS University of Tsukuba, 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.

37917 UTINS University of Tsukuba, 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
1863  AS37917        ORIGIN  Originate:     132096 /14.99  Transit:          0 /0.00  UTINS University of Tsukuba, 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       %
41216 AS37917       UTINS University of Tsukuba, JP                    3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  130.158.0.0/16       4777 2907 37917        
  133.51.0.0/16        4777 2907 37917        
  163.220.252.0/22     4777 2907 37917        

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

AS37917   1 More Specifics   3 Total Advertisements   UTINS University of Tsukuba, JP
    133.51.0.0/16                 133.0.0.0/8

Whois Entry

whois: 402332

IANA has recorded AS37917 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS37917\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS37888 - AS37927'
             
             as-block:       AS37888 - AS37927
             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. 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:  2009-11-19T01:11:45Z
             source:         APNIC
             
             % Information related to 'AS37888 - AS38911'
             
             as-block:       AS37888 - AS38911
             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:  2009-09-29T06:04:16Z
             source:         APNIC
             
             % Information related to 'AS37917'
             
             aut-num:        AS37917
             as-name:        UTINS
             descr:          University of Tsukuba
             import:         from AS2907 100 accept ANY
             import:         from AS18127 100 accept ANY
             export:         to AS2907 announce AS37917
             export:         to AS18127 announce AS37917
             country:        JP
             admin-c:        KI7984JP
             tech-c:         AM1479JP
             tech-c:         AS3586JP
             tech-c:         KK6630JP
             last-modified:  2007-06-11T22:01:44Z
             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-AU4)