Report for 23881

Name

UDOMAIN-AS-AP - UDomain Web Hosting Company Ltd, HK

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.

23881 UDOMAIN-AS-AP - UDomain Web Hosting Company Ltd, HK

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS140570        HKBCS-AS-AP - Hong Kong Beecloud System Technology Services Limited, HK
    AS4515          PCCW-AS-AP - PCCW IMS Ltd (PCCW Business Internet Access), HK
    AS60068         CDN77 - Datacamp Limited, GB
    AS9304          HUTCHISON-AS-AP - HGC Global Communications Limited, HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7291  AS23881        ORIGIN  Originate:      17920 /17.87  Transit:          0 /0.00  UDOMAIN-AS-AP - UDomain Web Hosting Company Ltd, HK

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       %
 1877 AS23881       UDOMAIN-AS-AP - UDomain Web Hosting Company L     70     48     17     39     31  44.29%


  Prefix               AS Path                              Aggregation Suggestion
  23.226.0.0/22        4777 140570 23881    + Announce - aggregate of 23.226.0.0/23 (4777 140570 23881) and 23.226.2.0/23 (4777 140570 23881)
  23.226.0.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.1.0/24 (4777 140570 23881)
  23.226.1.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.0.0/24 (4777 140570 23881)
  23.226.2.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.3.0/24 (4777 140570 23881)
  23.226.3.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.2.0/24 (4777 140570 23881)
  23.226.4.0/24        4777 140570 23881      
  23.226.6.0/23        4777 140570 23881    + Announce - aggregate of 23.226.6.0/24 (4777 140570 23881) and 23.226.7.0/24 (4777 140570 23881)
  23.226.6.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.7.0/24 (4777 140570 23881)
  23.226.7.0/24        4777 140570 23881    - Withdrawn - aggregated with 23.226.6.0/24 (4777 140570 23881)
  23.226.8.0/24        4777 140570 23881      
  23.226.11.0/24       4777 140570 23881      
  45.121.192.0/24      4777 140570 23881      
  45.121.194.0/24      4777 140570 23881      
  45.121.196.0/22      4777 140570 23881    + Announce - aggregate of 45.121.196.0/23 (4777 140570 23881) and 45.121.198.0/23 (4777 140570 23881)
  45.121.196.0/24      4777 140570 23881    - Withdrawn - aggregated with 45.121.197.0/24 (4777 140570 23881)
  45.121.197.0/24      4777 140570 23881    - Withdrawn - aggregated with 45.121.196.0/24 (4777 140570 23881)
  45.121.198.0/24      4777 140570 23881    - Withdrawn - aggregated with 45.121.199.0/24 (4777 140570 23881)
  45.121.199.0/24      4777 140570 23881    - Withdrawn - aggregated with 45.121.198.0/24 (4777 140570 23881)
  45.121.200.0/24      4777 140570 23881      
  45.121.201.0/24      4608 7575 3491 60068 23881   
  45.121.203.0/24      4777 140570 23881      
  103.15.180.0/23      4777 140570 23881    + Announce - aggregate of 103.15.180.0/24 (4777 140570 23881) and 103.15.181.0/24 (4777 140570 23881)
  103.15.180.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.181.0/24 (4777 140570 23881)
  103.15.181.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.180.0/24 (4777 140570 23881)
  103.15.183.0/24      4777 140570 23881      
  103.15.192.0/24      4777 140570 23881      
  103.15.194.0/23      4777 140570 23881    + Announce - aggregate of 103.15.194.0/24 (4777 140570 23881) and 103.15.195.0/24 (4777 140570 23881)
  103.15.194.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.195.0/24 (4777 140570 23881)
  103.15.195.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.194.0/24 (4777 140570 23881)
  103.15.196.0/23      4777 140570 23881    + Announce - aggregate of 103.15.196.0/24 (4777 140570 23881) and 103.15.197.0/24 (4777 140570 23881)
  103.15.196.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.197.0/24 (4777 140570 23881)
  103.15.197.0/24      4777 140570 23881    - Withdrawn - aggregated with 103.15.196.0/24 (4777 140570 23881)
  103.15.199.0/24      4777 140570 23881      
  103.19.25.0/24       4777 140570 23881      
  103.19.26.0/23       4777 140570 23881    + Announce - aggregate of 103.19.26.0/24 (4777 140570 23881) and 103.19.27.0/24 (4777 140570 23881)
  103.19.26.0/24       4777 140570 23881    - Withdrawn - aggregated with 103.19.27.0/24 (4777 140570 23881)
  103.19.27.0/24       4777 140570 23881    - Withdrawn - aggregated with 103.19.26.0/24 (4777 140570 23881)
  162.247.0.0/24       4777 140570 23881      
  162.247.2.0/23       4777 140570 23881    + Announce - aggregate of 162.247.2.0/24 (4777 140570 23881) and 162.247.3.0/24 (4777 140570 23881)
  162.247.2.0/24       4777 140570 23881    - Withdrawn - aggregated with 162.247.3.0/24 (4777 140570 23881)
  162.247.3.0/24       4777 140570 23881    - Withdrawn - aggregated with 162.247.2.0/24 (4777 140570 23881)
  203.90.224.0/22      4777 140570 23881    + Announce - aggregate of 203.90.224.0/23 (4777 140570 23881) and 203.90.226.0/23 (4777 140570 23881)
  203.90.224.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.225.0/24 (4777 140570 23881)
  203.90.225.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.224.0/24 (4777 140570 23881)
  203.90.226.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.227.0/24 (4777 140570 23881)
  203.90.227.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.226.0/24 (4777 140570 23881)
  203.90.228.0/23      4777 140570 23881    + Announce - aggregate of 203.90.228.0/24 (4777 140570 23881) and 203.90.229.0/24 (4777 140570 23881)
  203.90.228.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.229.0/24 (4777 140570 23881)
  203.90.229.0/24      4777 140570 23881    - Withdrawn - aggregated with 203.90.228.0/24 (4777 140570 23881)
  203.90.230.0/24      4777 140570 23881      
  203.90.254.0/24      4777 140570 23881      
  203.135.128.0/24     4777 140570 23881      
  203.135.129.0/24     4608 7575 9304 23881   
  203.135.130.0/23     4777 140570 23881    + Announce - aggregate of 203.135.130.0/24 (4777 140570 23881) and 203.135.131.0/24 (4777 140570 23881)
  203.135.130.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.131.0/24 (4777 140570 23881)
  203.135.131.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.130.0/24 (4777 140570 23881)
  203.135.132.0/24     4608 7575 3491 4515 23881 23881   
  203.135.133.0/24     4777 140570 23881      
  203.135.134.0/23     4777 140570 23881    + Announce - aggregate of 203.135.134.0/24 (4777 140570 23881) and 203.135.135.0/24 (4777 140570 23881)
  203.135.134.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.135.0/24 (4777 140570 23881)
  203.135.135.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.134.0/24 (4777 140570 23881)
  203.135.136.0/21     4777 140570 23881    + Announce - aggregate of 203.135.136.0/22 (4777 140570 23881) and 203.135.140.0/22 (4777 140570 23881)
  203.135.136.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.137.0/24 (4777 140570 23881)
  203.135.137.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.136.0/24 (4777 140570 23881)
  203.135.138.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.139.0/24 (4777 140570 23881)
  203.135.139.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.138.0/24 (4777 140570 23881)
  203.135.140.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.141.0/24 (4777 140570 23881)
  203.135.141.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.140.0/24 (4777 140570 23881)
  203.135.142.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.143.0/24 (4777 140570 23881)
  203.135.143.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.142.0/24 (4777 140570 23881)
  203.135.146.0/23     4777 140570 23881    + Announce - aggregate of 203.135.146.0/24 (4777 140570 23881) and 203.135.147.0/24 (4777 140570 23881)
  203.135.146.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.147.0/24 (4777 140570 23881)
  203.135.147.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.146.0/24 (4777 140570 23881)
  203.135.148.0/22     4777 140570 23881    + Announce - aggregate of 203.135.148.0/23 (4777 140570 23881) and 203.135.150.0/23 (4777 140570 23881)
  203.135.148.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.149.0/24 (4777 140570 23881)
  203.135.149.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.148.0/24 (4777 140570 23881)
  203.135.150.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.151.0/24 (4777 140570 23881)
  203.135.151.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.150.0/24 (4777 140570 23881)
  203.135.153.0/24     4777 140570 23881      
  203.135.154.0/23     4777 140570 23881    + Announce - aggregate of 203.135.154.0/24 (4777 140570 23881) and 203.135.155.0/24 (4777 140570 23881)
  203.135.154.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.155.0/24 (4777 140570 23881)
  203.135.155.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.154.0/24 (4777 140570 23881)
  203.135.156.0/24     4608 7575 9304 23881   
  203.135.157.0/24     4777 140570 23881      
  203.135.158.0/23     4777 140570 23881    + Announce - aggregate of 203.135.158.0/24 (4777 140570 23881) and 203.135.159.0/24 (4777 140570 23881)
  203.135.158.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.159.0/24 (4777 140570 23881)
  203.135.159.0/24     4777 140570 23881    - Withdrawn - aggregated with 203.135.158.0/24 (4777 140570 23881)

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

AS23881   70 More Specifics   70 Total Advertisements   UDOMAIN-AS-AP - UDomain Web Hosting Company Ltd, HK
    23.226.0.0/24                 23.226.0.0/20
    23.226.1.0/24                 23.226.0.0/20
    23.226.2.0/24                 23.226.0.0/20
    23.226.3.0/24                 23.226.0.0/20
    23.226.4.0/24                 23.226.0.0/20
    23.226.6.0/24                 23.226.0.0/20
    23.226.7.0/24                 23.226.0.0/20
    23.226.8.0/24                 23.226.0.0/20
    23.226.11.0/24                23.226.0.0/20
    45.121.192.0/24               45.121.192.0/22
    45.121.194.0/24               45.121.192.0/22
    45.121.196.0/24               45.121.196.0/22
    45.121.197.0/24               45.121.196.0/22
    45.121.198.0/24               45.121.196.0/22
    45.121.199.0/24               45.121.196.0/22
    45.121.200.0/24               45.121.200.0/22
    45.121.201.0/24               45.121.200.0/22
    45.121.203.0/24               45.121.200.0/22
    103.15.180.0/24               103.15.180.0/22
    103.15.181.0/24               103.15.180.0/22
    103.15.183.0/24               103.15.180.0/22
    103.15.192.0/24               103.15.192.0/22
    103.15.194.0/24               103.15.192.0/22
    103.15.195.0/24               103.15.192.0/22
    103.15.196.0/24               103.15.196.0/22
    103.15.197.0/24               103.15.196.0/22
    103.15.199.0/24               103.15.196.0/22
    103.19.25.0/24                103.19.24.0/22
    103.19.26.0/24                103.19.24.0/22
    103.19.27.0/24                103.19.24.0/22
    162.247.0.0/24                162.247.0.0/22
    162.247.2.0/24                162.247.0.0/22
    162.247.3.0/24                162.247.0.0/22
    203.90.224.0/24               203.90.224.0/19
    203.90.225.0/24               203.90.224.0/19
    203.90.226.0/24               203.90.224.0/19
    203.90.227.0/24               203.90.224.0/19
    203.90.228.0/24               203.90.224.0/19
    203.90.229.0/24               203.90.224.0/19
    203.90.230.0/24               203.90.224.0/19
    203.90.254.0/24               203.90.224.0/19
    203.135.128.0/24              203.135.128.0/19
    203.135.129.0/24              203.135.128.0/19
    203.135.130.0/24              203.135.128.0/19
    203.135.131.0/24              203.135.128.0/19
    203.135.132.0/24              203.135.128.0/19
    203.135.133.0/24              203.135.128.0/19
    203.135.134.0/24              203.135.128.0/19
    203.135.135.0/24              203.135.128.0/19
    203.135.136.0/24              203.135.128.0/19
    203.135.137.0/24              203.135.128.0/19
    203.135.138.0/24              203.135.128.0/19
    203.135.139.0/24              203.135.128.0/19
    203.135.140.0/24              203.135.128.0/19
    203.135.141.0/24              203.135.128.0/19
    203.135.142.0/24              203.135.128.0/19
    203.135.143.0/24              203.135.128.0/19
    203.135.146.0/24              203.135.128.0/19
    203.135.147.0/24              203.135.128.0/19
    203.135.148.0/24              203.135.128.0/19
    203.135.149.0/24              203.135.128.0/19
    203.135.150.0/24              203.135.128.0/19
    203.135.151.0/24              203.135.128.0/19
    203.135.153.0/24              203.135.128.0/19
    203.135.154.0/24              203.135.128.0/19
    203.135.155.0/24              203.135.128.0/19
    203.135.156.0/24              203.135.128.0/19
    203.135.157.0/24              203.135.128.0/19
    203.135.158.0/24              203.135.128.0/19
    203.135.159.0/24              203.135.128.0/19

Whois Entry

whois: 402628

IANA has recorded AS23881 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23881\n