Report for 18045

Name

SINOPAC - SinoPac Holdings Corporate Network, TW

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.

18045 SINOPAC - SinoPac Holdings Corporate Network, TW

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3462          HINET - Data Communication Business Group, TW
    AS9924          TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider., TW

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19638 AS18045        ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  SINOPAC - SinoPac Holdings Corporate Network, TW

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       %
12290 AS18045       SINOPAC - SinoPac Holdings Corporate Network,     12      6      3      9      3  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  211.76.144.0/24      4777 2516 3462 18045   
  211.76.146.0/23      4777 2516 3462 18045 + Announce - aggregate of 211.76.146.0/24 (4777 2516 3462 18045) and 211.76.147.0/24 (4777 2516 3462 18045)
  211.76.146.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.147.0/24 (4777 2516 3462 18045)
  211.76.147.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.146.0/24 (4777 2516 3462 18045)
  211.76.148.0/24      4777 2516 3462 18045   
  211.76.150.0/23      4777 2516 3462 18045 + Announce - aggregate of 211.76.150.0/24 (4777 2516 3462 18045) and 211.76.151.0/24 (4777 2516 3462 18045)
  211.76.150.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.151.0/24 (4777 2516 3462 18045)
  211.76.151.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.150.0/24 (4777 2516 3462 18045)
  211.76.152.0/24      4608 7575 3491 9924 18045 18045 18045   
  211.76.155.0/24      4777 2516 3462 18045   
  211.76.156.0/24      4777 2516 3462 18045   
  211.76.157.0/24      4608 7575 3491 9924 18045 18045 18045   
  211.76.158.0/23      4777 2516 3462 18045 + Announce - aggregate of 211.76.158.0/24 (4777 2516 3462 18045) and 211.76.159.0/24 (4777 2516 3462 18045)
  211.76.158.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.159.0/24 (4777 2516 3462 18045)
  211.76.159.0/24      4777 2516 3462 18045 - Withdrawn - aggregated with 211.76.158.0/24 (4777 2516 3462 18045)

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

AS18045   12 More Specifics   12 Total Advertisements   SINOPAC - SinoPac Holdings Corporate Network, TW
    211.76.144.0/24               211.76.144.0/20
    211.76.146.0/24               211.76.144.0/20
    211.76.147.0/24               211.76.144.0/20
    211.76.148.0/24               211.76.144.0/20
    211.76.150.0/24               211.76.144.0/20
    211.76.151.0/24               211.76.144.0/20
    211.76.152.0/24               211.76.144.0/20
    211.76.155.0/24               211.76.144.0/20
    211.76.156.0/24               211.76.144.0/20
    211.76.157.0/24               211.76.144.0/20
    211.76.158.0/24               211.76.144.0/20
    211.76.159.0/24               211.76.144.0/20

Whois Entry

whois: 402603

IANA has recorded AS18045 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18045\n