Report for 23559

Name

AS23559-8 - KRNIC-ASBLOCK-AP, KR

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 AS4637) 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.

23559 SENNB-AS-KR Nambu District Office of Education in Seoul

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS18302   SKG_NW-AS-KR SK Global co., Ltd
    AS3786    LGDACOM LG DACOM Corporation

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4186  AS23559  ORIGIN  Originate:      25088 /17.39  Transit:          0 /0.00  SENNB-AS-KR Nambu District Office of Education in Seoul

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       %
 2652 AS23559 SENNB-AS-KR Nambu District Office of Edu     20      4      0     16      4  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  58.29.9.0/24         4637 18302 23559 23559 23559 23559 23559   
  58.29.80.0/21        4637 18302 23559 23559 23559 23559 23559   
  58.29.80.0/23        4637 3786 23559        
  58.29.83.0/24        4637 3786 23559        
  58.29.84.0/23        4637 3786 23559        
  58.29.86.0/24        4637 3786 23559        
  124.3.28.0/22        4637 18302 23559       
  124.3.32.0/21        4637 18302 23559       
  124.3.32.0/22        4637 3786 23559 23559 23559 23559 23559   
  124.3.34.0/24        4637 3786 23559 23559 23559 23559 23559 - Withdrawn - matching aggregate 124.3.32.0/22 4637 3786 23559 23559 23559 23559 23559
  124.3.35.0/24        4637 3786 23559 23559 23559 23559 23559 - Withdrawn - matching aggregate 124.3.32.0/22 4637 3786 23559 23559 23559 23559 23559
  124.3.36.0/23        4637 3786 23559 23559 23559 23559 23559   
  124.3.36.0/24        4637 3786 23559 23559 23559 23559 23559 - Withdrawn - matching aggregate 124.3.36.0/23 4637 3786 23559 23559 23559 23559 23559
  124.3.37.0/24        4637 3786 23559 23559 23559 23559 23559 - Withdrawn - matching aggregate 124.3.36.0/23 4637 3786 23559 23559 23559 23559 23559
  124.3.38.0/24        4637 3786 23559 23559 23559 23559 23559   
  124.138.52.0/22      4637 18302 23559       
  124.138.56.0/21      4637 18302 23559       
  124.138.64.0/21      4637 18302 23559       
  125.240.96.0/19      4637 18302 23559 23559 23559 23559 23559   
  125.241.160.0/21     4637 18302 23559 23559 23559 23559 23559   

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

AS23559   20 More Specifics   20 Total Advertisements   SENNB-AS-KR Nambu District Office of Education in Seoul
    58.29.9.0/24                  58.29.0.0/16
    58.29.80.0/21                 58.29.0.0/16
    58.29.80.0/23                 58.29.0.0/16
    58.29.83.0/24                 58.29.0.0/16
    58.29.84.0/23                 58.29.0.0/16
    58.29.86.0/24                 58.29.0.0/16
    124.3.28.0/22                 124.3.0.0/16
    124.3.32.0/21                 124.3.0.0/16
    124.3.32.0/22                 124.3.0.0/16
    124.3.34.0/24                 124.3.0.0/16
    124.3.35.0/24                 124.3.0.0/16
    124.3.36.0/23                 124.3.0.0/16
    124.3.36.0/24                 124.3.0.0/16
    124.3.37.0/24                 124.3.0.0/16
    124.3.38.0/24                 124.3.0.0/16
    124.138.52.0/22               124.136.0.0/14
    124.138.56.0/21               124.136.0.0/14
    124.138.64.0/21               124.136.0.0/14
    125.240.96.0/19               125.240.0.0/13
    125.241.160.0/21              125.240.0.0/13

Whois Entry

whois: 402603

IANA has recorded AS23559 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23559\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS23552 - AS23601'
             
             as-block:       AS23552 - AS23601
             descr:          KRNIC-ASBLOCK-AP
             descr:          KRNIC
             descr:          Korea Network Information Center
             country:        KR
             admin-c:        HM127-AP
             tech-c:         HM127-AP
             remarks:        Block of 50 AS numbers from AS23552to AS23601
             remarks:        for assignment to KRNIC members
             remarks:        Authoritative information regarding AS Number
             remarks:        assignments made from within this block can also be
             remarks:        queried at whois.nic.or.kr
             mnt-by:         APNIC-HM
             mnt-lower:      MNT-KRNIC-AP
             last-modified:  2008-09-04T06:40:26Z
             source:         APNIC
             
             person:         Host Master
             address:        Jeollanam-do Naju-si Jinheung-gil
             country:        KR
             phone:          +82-2-405-5118
             e-mail:         hostmaster@nic.or.kr
             nic-hdl:        HM127-AP
             mnt-by:         MNT-KRNIC-AP
             last-modified:  2019-05-22T01:20:31Z
             source:         APNIC
             
             % Information related to 'AS23552 - AS24575'
             
             as-block:       AS23552 - AS24575
             descr:          APNIC ASN block
             remarks:        These AS numbers are further assigned by APNIC
             remarks:        to APNIC members and end-users in the APNIC region
             remarks:        AS23889 has been transfered to AfriNIC
             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
             
             role:           APNIC Hostmaster
             address:        6 Cordelia Street
             address:        South Brisbane
             address:        QLD 4101
             country:        AU
             phone:          +61 7 3858 3100
             fax-no:         +61 7 3858 3199
             e-mail:         helpdesk@apnic.net
             admin-c:        AMS11-AP
             tech-c:         AH256-AP
             nic-hdl:        HM20-AP
             remarks:        Administrator for APNIC
             notify:         hostmaster@apnic.net
             mnt-by:         MAINT-APNIC-AP
             last-modified:  2013-10-23T04:06:51Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)