Report for 55991

Name

AS55991-36 - CNNIC ASN block, CN

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.

55991 AS55991-36 - CNNIC ASN block, CN

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS58461         CT-HangZhou-IDC - No.288,Fu-chun Road, CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10265 AS55991        ORIGIN  Originate:       9984 /18.71  Transit:          0 /0.00  AS55991-36 - CNNIC ASN block, CN

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       %
 5084 AS55991       AS55991-36 - CNNIC ASN block, CN                  21     14      4     11     10  47.62%


  Prefix               AS Path                              Aggregation Suggestion
  43.228.204.0/22      4777 2516 4134 58461 55991   
  43.228.240.0/22      4777 2516 4134 58461 55991   
  45.124.76.0/22       4777 2516 4134 58461 55991 + Announce - aggregate of 45.124.76.0/23 (4777 2516 4134 58461 55991) and 45.124.78.0/23 (4777 2516 4134 58461 55991)
  45.124.76.0/24       4777 2516 4134 58461 55991 - Withdrawn - aggregated with 45.124.77.0/24 (4777 2516 4134 58461 55991)
  45.124.77.0/24       4777 2516 4134 58461 55991 - Withdrawn - aggregated with 45.124.76.0/24 (4777 2516 4134 58461 55991)
  45.124.78.0/24       4777 2516 4134 58461 55991 - Withdrawn - aggregated with 45.124.79.0/24 (4777 2516 4134 58461 55991)
  45.124.79.0/24       4777 2516 4134 58461 55991 - Withdrawn - aggregated with 45.124.78.0/24 (4777 2516 4134 58461 55991)
  103.41.116.0/22      4777 2516 4134 58461 55991   
  103.43.132.0/24      4777 2497 4837 4134 58461 55991   
  103.43.134.0/23      4777 2516 4134 58461 55991 + Announce - aggregate of 103.43.134.0/24 (4777 2516 4134 58461 55991) and 103.43.135.0/24 (4777 2516 4134 58461 55991)
  103.43.134.0/24      4777 2516 4134 58461 55991 - Withdrawn - aggregated with 103.43.135.0/24 (4777 2516 4134 58461 55991)
  103.43.135.0/24      4777 2516 4134 58461 55991 - Withdrawn - aggregated with 103.43.134.0/24 (4777 2516 4134 58461 55991)
  103.56.100.0/22      4777 2516 4134 58461 55991   
  103.56.104.0/22      4777 2516 4134 58461 55991   
  103.192.208.0/22     4777 2516 4134 58461 55991   
  103.192.208.0/24     4777 2516 4134 58461 55991 - Withdrawn - matching aggregate 103.192.208.0/22 4777 2516 4134 58461 55991
  103.192.209.0/24     4777 2516 4134 58461 55991 - Withdrawn - matching aggregate 103.192.208.0/22 4777 2516 4134 58461 55991
  103.192.210.0/24     4777 2516 4134 58461 55991 - Withdrawn - matching aggregate 103.192.208.0/22 4777 2516 4134 58461 55991
  103.192.211.0/24     4777 2516 4134 58461 55991 - Withdrawn - matching aggregate 103.192.208.0/22 4777 2516 4134 58461 55991
  103.235.100.0/23     4777 2497 4837 4134 58461 55991 + Announce - aggregate of 103.235.100.0/24 (4777 2497 4837 4134 58461 55991) and 103.235.101.0/24 (4777 2497 4837 4134 58461 55991)
  103.235.100.0/24     4777 2497 4837 4134 58461 55991 - Withdrawn - aggregated with 103.235.101.0/24 (4777 2497 4837 4134 58461 55991)
  103.235.101.0/24     4777 2497 4837 4134 58461 55991 - Withdrawn - aggregated with 103.235.100.0/24 (4777 2497 4837 4134 58461 55991)
  103.235.102.0/23     4777 2516 4134 58461 55991 + Announce - aggregate of 103.235.102.0/24 (4777 2516 4134 58461 55991) and 103.235.103.0/24 (4777 2516 4134 58461 55991)
  103.235.102.0/24     4777 2516 4134 58461 55991 - Withdrawn - aggregated with 103.235.103.0/24 (4777 2516 4134 58461 55991)
  103.235.103.0/24     4777 2516 4134 58461 55991 - Withdrawn - aggregated with 103.235.102.0/24 (4777 2516 4134 58461 55991)

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

AS55991   15 More Specifics   21 Total Advertisements   AS55991-36 - CNNIC ASN block, CN
    45.124.76.0/24                45.124.76.0/22
    45.124.77.0/24                45.124.76.0/22
    45.124.78.0/24                45.124.76.0/22
    45.124.79.0/24                45.124.76.0/22
    103.43.132.0/24               103.43.132.0/22
    103.43.134.0/24               103.43.132.0/22
    103.43.135.0/24               103.43.132.0/22
    103.192.208.0/24              103.192.208.0/22
    103.192.209.0/24              103.192.208.0/22
    103.192.210.0/24              103.192.208.0/22
    103.192.211.0/24              103.192.208.0/22
    103.235.100.0/24              103.235.100.0/22
    103.235.101.0/24              103.235.100.0/22
    103.235.102.0/24              103.235.100.0/22
    103.235.103.0/24              103.235.100.0/22

Whois Entry

whois: 402613

IANA has recorded AS55991 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS55991\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS55296 - AS56319'
             
             as-block:       AS55296 - AS56319
             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:  2009-09-03T01:15:30Z
             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
             
             % Information related to 'AS55956 - AS56015'
             
             as-block:       AS55956 - AS56015
             descr:          CNNIC ASN block
             country:        CN
             remarks:        These AS numbers are further assigned by CNNIC
             remarks:        to CNNIC members and end-users in China
             admin-c:        IPAS1-AP
             tech-c:         IPAS1-AP
             mnt-by:         APNIC-HM
             mnt-lower:      MAINT-CNNIC-AP
             last-modified:  2010-12-23T23:34:45Z
             source:         APNIC
             
             role:           CNNIC IPAS CONFEDERATION
             address:        No.4, Zhongguancun No.4 South Street,
             address:        Haidian District, Beijing
             country:        CN
             phone:          +86-010-58813000
             fax-no:         +86-010-58813075
             e-mail:         ipas@cnnic.cn
             admin-c:        IP50-AP
             tech-c:         IP50-AP
             nic-hdl:        IPAS1-AP
             mnt-by:         MAINT-CNNIC-AP
             last-modified:  2013-09-12T07:40:01Z
             source:         APNIC
             
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