Report for 37942

Name

SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, 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.

37942 SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, CN

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS4847          CNIX-AP China Networks Inter-Exchange, CN
    AS4808          CHINA169-BJ China Unicom Beijing Province Network, CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18166 AS37942        ORIGIN  Originate:       3840 /20.09  Transit:          0 /0.00  SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, 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       %
 4870 AS37942       SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoy     15     12      2      5     10  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  202.41.241.0/24      4777 2497 4134 4847 37942   
  202.41.242.0/24      4777 2497 4134 4847 37942   
  202.41.243.0/24      4777 2516 4837 4808 37942   
  202.41.244.0/22      4777 2497 4134 4847 37942 + Announce - aggregate of 202.41.244.0/23 (4777 2497 4134 4847 37942) and 202.41.246.0/23 (4777 2497 4134 4847 37942)
  202.41.244.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.245.0/24 (4777 2497 4134 4847 37942)
  202.41.245.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.244.0/24 (4777 2497 4134 4847 37942)
  202.41.246.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.247.0/24 (4777 2497 4134 4847 37942)
  202.41.247.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.246.0/24 (4777 2497 4134 4847 37942)
  202.41.248.0/21      4777 2497 4134 4847 37942 + Announce - aggregate of 202.41.248.0/22 (4777 2497 4134 4847 37942) and 202.41.252.0/22 (4777 2497 4134 4847 37942)
  202.41.248.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.249.0/24 (4777 2497 4134 4847 37942)
  202.41.249.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.248.0/24 (4777 2497 4134 4847 37942)
  202.41.250.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.251.0/24 (4777 2497 4134 4847 37942)
  202.41.251.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.250.0/24 (4777 2497 4134 4847 37942)
  202.41.252.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.253.0/24 (4777 2497 4134 4847 37942)
  202.41.253.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.252.0/24 (4777 2497 4134 4847 37942)
  202.41.254.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.255.0/24 (4777 2497 4134 4847 37942)
  202.41.255.0/24      4777 2497 4134 4847 37942 - Withdrawn - aggregated with 202.41.254.0/24 (4777 2497 4134 4847 37942)

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

AS37942   15 More Specifics   15 Total Advertisements   SACHNET 3rd Floor, Wenbo Building, No.A2 Gaoyuan Street, CN
    202.41.241.0/24               202.41.240.0/20
    202.41.242.0/24               202.41.240.0/20
    202.41.243.0/24               202.41.240.0/20
    202.41.244.0/24               202.41.240.0/20
    202.41.245.0/24               202.41.240.0/20
    202.41.246.0/24               202.41.240.0/20
    202.41.247.0/24               202.41.240.0/20
    202.41.248.0/24               202.41.240.0/20
    202.41.249.0/24               202.41.240.0/20
    202.41.250.0/24               202.41.240.0/20
    202.41.251.0/24               202.41.240.0/20
    202.41.252.0/24               202.41.240.0/20
    202.41.253.0/24               202.41.240.0/20
    202.41.254.0/24               202.41.240.0/20
    202.41.255.0/24               202.41.240.0/20

Whois Entry

whois: 402332

IANA has recorded AS37942 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS37942\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS37888 - AS38911'
             
             as-block:       AS37888 - AS38911
             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:  2009-09-29T06:04:16Z
             source:         APNIC
             
             % Information related to 'AS37936 - AS37943'
             
             as-block:       AS37936 - AS37943
             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:  2023-10-09T03:57:39Z
             source:         APNIC
             
             % Information related to 'AS37942'
             
             % Abuse contact for 'AS37942' is '172269004@qq.com'
             
             aut-num:        AS37942
             as-name:        SACHNET
             descr:          3rd Floor, Wenbo Building, No.A2 Gaoyuan Street,
             descr:          East Road of the North Four Ring, Beijing, China
             admin-c:        ZK92-AP
             tech-c:         ZX572-AP
             abuse-c:        AC1601-AP
             country:        CN
             mnt-by:         MAINT-CNNIC-AP
             mnt-lower:      MAINT-CNNIC-AP
             mnt-routes:     MAINT-CNNIC-AP
             mnt-irt:        IRT-SACHNET-CN
             last-modified:  2021-11-03T07:35:42Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)