Report for 45083

Name

BGTELECOM China UNICOM, Beijing Branch, 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.

45083 BGTELECOM China UNICOM, Beijing Branch, CN

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4808          CHINA169-BJ China Unicom Beijing Province Network, CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1405  AS45083        ORIGIN  Originate:     181248 /14.53  Transit:          0 /0.00  BGTELECOM China UNICOM, Beijing Branch, 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       %
 1415 AS45083       BGTELECOM China UNICOM, Beijing Branch, CN        52     44      4     12     40  76.92%


  Prefix               AS Path                              Aggregation Suggestion
  1.45.0.0/16          4777 2497 4837 4808 45083   
  1.45.0.0/17          4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.16.0/22         4777 2516 4837 4808 45083   
  1.45.20.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.24.0/21         4777 2516 4837 4808 45083 + Announce - aggregate of 1.45.24.0/22 (4777 2516 4837 4808 45083) and 1.45.28.0/22 (4777 2516 4837 4808 45083)
  1.45.24.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.28.0/22 (4777 2516 4837 4808 45083)
  1.45.28.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.24.0/22 (4777 2516 4837 4808 45083)
  1.45.32.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.36.0/22         4777 2516 4837 4808 45083   
  1.45.40.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.44.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.48.0/22         4777 2516 4837 4808 45083   
  1.45.52.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.56.0/21         4777 2516 4837 4808 45083 + Announce - aggregate of 1.45.56.0/22 (4777 2516 4837 4808 45083) and 1.45.60.0/22 (4777 2516 4837 4808 45083)
  1.45.56.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.60.0/22 (4777 2516 4837 4808 45083)
  1.45.60.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.56.0/22 (4777 2516 4837 4808 45083)
  1.45.64.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.68.0/22         4777 2516 4837 4808 45083   
  1.45.72.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.76.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.80.0/22         4777 2516 4837 4808 45083   
  1.45.84.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.88.0/21         4777 2516 4837 4808 45083 + Announce - aggregate of 1.45.88.0/22 (4777 2516 4837 4808 45083) and 1.45.92.0/22 (4777 2516 4837 4808 45083)
  1.45.88.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.92.0/22 (4777 2516 4837 4808 45083)
  1.45.92.0/22         4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.88.0/22 (4777 2516 4837 4808 45083)
  1.45.96.0/22         4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.100.0/22        4777 2516 4837 4808 45083   
  1.45.104.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.108.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.112.0/22        4777 2516 4837 4808 45083   
  1.45.116.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.120.0/21        4777 2516 4837 4808 45083 + Announce - aggregate of 1.45.120.0/22 (4777 2516 4837 4808 45083) and 1.45.124.0/22 (4777 2516 4837 4808 45083)
  1.45.120.0/22        4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.124.0/22 (4777 2516 4837 4808 45083)
  1.45.124.0/22        4777 2516 4837 4808 45083 - Withdrawn - aggregated with 1.45.120.0/22 (4777 2516 4837 4808 45083)
  1.45.128.0/17        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.128.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.132.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.136.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.140.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.144.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.148.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.152.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.156.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.160.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.164.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.168.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.172.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.176.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.180.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.184.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.188.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.192.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.196.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.200.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.204.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083
  1.45.208.0/22        4777 2497 4837 4808 45083 - Withdrawn - matching aggregate 1.45.0.0/16 4777 2497 4837 4808 45083

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

AS45083   51 More Specifics   52 Total Advertisements   BGTELECOM China UNICOM, Beijing Branch, CN
    1.45.0.0/17                   1.45.0.0/16
    1.45.16.0/22                  1.45.0.0/16
    1.45.20.0/22                  1.45.0.0/16
    1.45.24.0/22                  1.45.0.0/16
    1.45.28.0/22                  1.45.0.0/16
    1.45.32.0/22                  1.45.0.0/16
    1.45.36.0/22                  1.45.0.0/16
    1.45.40.0/22                  1.45.0.0/16
    1.45.44.0/22                  1.45.0.0/16
    1.45.48.0/22                  1.45.0.0/16
    1.45.52.0/22                  1.45.0.0/16
    1.45.56.0/22                  1.45.0.0/16
    1.45.60.0/22                  1.45.0.0/16
    1.45.64.0/22                  1.45.0.0/16
    1.45.68.0/22                  1.45.0.0/16
    1.45.72.0/22                  1.45.0.0/16
    1.45.76.0/22                  1.45.0.0/16
    1.45.80.0/22                  1.45.0.0/16
    1.45.84.0/22                  1.45.0.0/16
    1.45.88.0/22                  1.45.0.0/16
    1.45.92.0/22                  1.45.0.0/16
    1.45.96.0/22                  1.45.0.0/16
    1.45.100.0/22                 1.45.0.0/16
    1.45.104.0/22                 1.45.0.0/16
    1.45.108.0/22                 1.45.0.0/16
    1.45.112.0/22                 1.45.0.0/16
    1.45.116.0/22                 1.45.0.0/16
    1.45.120.0/22                 1.45.0.0/16
    1.45.124.0/22                 1.45.0.0/16
    1.45.128.0/17                 1.45.0.0/16
    1.45.128.0/22                 1.45.0.0/16
    1.45.132.0/22                 1.45.0.0/16
    1.45.136.0/22                 1.45.0.0/16
    1.45.140.0/22                 1.45.0.0/16
    1.45.144.0/22                 1.45.0.0/16
    1.45.148.0/22                 1.45.0.0/16
    1.45.152.0/22                 1.45.0.0/16
    1.45.156.0/22                 1.45.0.0/16
    1.45.160.0/22                 1.45.0.0/16
    1.45.164.0/22                 1.45.0.0/16
    1.45.168.0/22                 1.45.0.0/16
    1.45.172.0/22                 1.45.0.0/16
    1.45.176.0/22                 1.45.0.0/16
    1.45.180.0/22                 1.45.0.0/16
    1.45.184.0/22                 1.45.0.0/16
    1.45.188.0/22                 1.45.0.0/16
    1.45.192.0/22                 1.45.0.0/16
    1.45.196.0/22                 1.45.0.0/16
    1.45.200.0/22                 1.45.0.0/16
    1.45.204.0/22                 1.45.0.0/16
    1.45.208.0/22                 1.45.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS45083 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS45083\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS45056 - AS45115'
             
             as-block:       AS45056 - AS45115
             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:  2009-09-29T06:15:17Z
             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
             
             % Information related to 'AS45056 - AS46079'
             
             as-block:       AS45056 - AS46079
             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:  2009-09-29T05:48:11Z
             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 'AS45083'
             
             % Abuse contact for 'AS45083' is 'shangyq1@chinaunicom.cn'
             
             aut-num:        AS45083
             as-name:        BGTELECOM
             descr:          China UNICOM, Beijing Branch
             descr:          9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
             country:        CN
             admin-c:        YW7199-AP
             tech-c:         YW7199-AP
             mnt-by:         MAINT-CNNIC-AP
             mnt-lower:      MAINT-CNNIC-AP
             mnt-irt:        IRT-BGTELECOM-CN
             last-modified:  2025-11-27T08:16:13Z
             source:         APNIC
             
             irt:            IRT-BGTELECOM-CN
             address:        9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
             e-mail:         shangyq1@chinaunicom.cn
             abuse-mailbox:  shangyq1@chinaunicom.cn
             admin-c:        YW7199-AP
             tech-c:         YW7199-AP
             auth:           # Filtered
             mnt-by:         MAINT-CNNIC-AP
             last-modified:  2025-11-25T07:27:34Z
             source:         APNIC
             
             person:         Shang Yongqian
             address:        9-1 YANGFANGDIAN Road, Haidian District, Beijing, China
             country:        CN
             phone:          +86-010-63999788
             e-mail:         shangyq1@chinaunicom.cn
             nic-hdl:        YW7199-AP
             mnt-by:         MAINT-CNNIC-AP
             last-modified:  2021-11-02T06:22:44Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)