Report for 23850

Name

CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd., 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 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.

23850 CNNIC-SHMGTDNET-AP MinHang Broadcast & Television

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS4812    CHINANET-SH-AP China Telecom (Group)
    AS4847    CNIX-AP China Networks Inter-Exchange
    AS17621   CNCGROUP-SH CNCGROUP IP network of Shanghai region MAN network

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2009  AS23850  ORIGIN  Originate:      73472 /15.84  Transit:          0 /0.00  CNNIC-SHMGTDNET-AP MinHang Broadcast & Television

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       %
 1583 AS23850 CNNIC-SHMGTDNET-AP MinHang Broadcast & T     19      9      1     11      8  42.11%


  Prefix               AS Path                              Aggregation Suggestion
  61.87.192.0/18       4637 4134 4847 23850   
  61.87.192.0/24       4637 4134 4847 23850 - Withdrawn - matching aggregate 61.87.192.0/18 4637 4134 4847 23850
  61.87.196.0/22       4637 4134 4847 23850 - Withdrawn - matching aggregate 61.87.192.0/18 4637 4134 4847 23850
  61.87.200.0/22       4637 4134 4847 23850 - Withdrawn - matching aggregate 61.87.192.0/18 4637 4134 4847 23850
  61.87.208.0/22       4637 4134 4847 23850 - Withdrawn - matching aggregate 61.87.192.0/18 4637 4134 4847 23850
  61.87.252.0/22       4637 4134 4847 23850 - Withdrawn - matching aggregate 61.87.192.0/18 4637 4134 4847 23850
  202.158.160.0/19     4637 4134 4812 23850   
  202.158.160.0/20     4637 4134 4812 23850 - Withdrawn - matching aggregate 202.158.160.0/19 4637 4134 4812 23850
  202.158.162.0/24     4637 4134 4847 23850   
  202.158.166.0/24     4637 4837 17621 23850   
  202.158.176.0/20     4637 4134 4847 23850   
  220.232.64.0/18      4637 4134 4812 23850   
  220.232.64.0/20      4637 4134 4847 23850   
  220.232.80.0/20      4637 4837 17621 23850   
  220.232.96.0/19      4637 4134 4847 23850 + Announce - aggregate of 220.232.96.0/20 (4637 4134 4847 23850) and 220.232.112.0/20 (4637 4134 4847 23850)
  220.232.96.0/20      4637 4134 4847 23850 - Withdrawn - aggregated with 220.232.112.0/20 (4637 4134 4847 23850)
  220.232.96.0/21      4637 4837 17621 23850   
  220.232.108.0/22     4637 4134 4812 23850   
  220.232.112.0/21     4637 4134 4847 23850 - Withdrawn - aggregated with 220.232.120.0/21 (4637 4134 4847 23850)
  220.232.120.0/21     4637 4134 4847 23850 - Withdrawn - aggregated with 220.232.112.0/21 (4637 4134 4847 23850)

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

AS23850   15 More Specifics   18 Total Advertisements   CNNIC-SHMGTDNET-AP MinHang Broadcast & Television
    61.87.192.0/21                61.87.192.0/18
    61.87.193.0/24                61.87.192.0/18
    61.87.200.0/22                61.87.192.0/18
    61.87.208.0/22                61.87.192.0/18
    61.87.252.0/22                61.87.192.0/18
    202.158.160.0/20              202.158.160.0/19
    202.158.162.0/23              202.158.160.0/19
    202.158.166.0/24              202.158.160.0/19
    202.158.176.0/20              202.158.160.0/19
    220.232.64.0/20               220.232.64.0/18
    220.232.80.0/20               220.232.64.0/18
    220.232.96.0/20               220.232.64.0/18
    220.232.96.0/21               220.232.64.0/18
    220.232.108.0/22              220.232.64.0/18
    220.232.112.0/20              220.232.64.0/18
    202.158.162.0/24              202.158.160.0/19

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 202.158.162.0/23            Announced
    - 202.158.162.0/24            Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS23850 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23850\n