Report for 141771

Name

CHINANET-HEBEI-ZHANGJIAKOU-MAN China Telecom, 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.

141771 CHINANET-HEBEI-ZHANGJIAKOU-MAN China Telecom, CN

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4134          CHINANET-BACKBONE No.31,Jin-rong Street, CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4030  AS141771       ORIGIN  Originate:      60416 /16.12  Transit:          0 /0.00  CHINANET-HEBEI-ZHANGJIAKOU-MAN China Telecom, 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       %
 1695 AS141771      CHINANET-HEBEI-ZHANGJIAKOU-MAN China Telecom,     57     54     19     22     35  61.40%


  Prefix               AS Path                              Aggregation Suggestion
  27.129.55.0/24       4777 2497 4134 141771   
  45.123.168.0/21      4777 2516 4134 141771 + Announce - aggregate of 45.123.168.0/22 (4777 2516 4134 141771) and 45.123.172.0/22 (4777 2516 4134 141771)
  45.123.168.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 45.123.172.0/22 (4777 2516 4134 141771)
  45.123.172.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 45.123.168.0/22 (4777 2516 4134 141771)
  45.123.176.0/21      4777 2516 4134 141771 + Announce - aggregate of 45.123.176.0/22 (4777 2516 4134 141771) and 45.123.180.0/22 (4777 2516 4134 141771)
  45.123.176.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 45.123.180.0/22 (4777 2516 4134 141771)
  45.123.180.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 45.123.176.0/22 (4777 2516 4134 141771)
  101.50.8.0/21        4777 2516 4134 141771 + Announce - aggregate of 101.50.8.0/22 (4777 2516 4134 141771) and 101.50.12.0/22 (4777 2516 4134 141771)
  101.50.8.0/22        4777 2516 4134 141771 - Withdrawn - aggregated with 101.50.12.0/22 (4777 2516 4134 141771)
  101.50.12.0/22       4777 2516 4134 141771 - Withdrawn - aggregated with 101.50.8.0/22 (4777 2516 4134 141771)
  101.251.128.0/20     4777 2497 4134 141771 + Announce - aggregate of 101.251.128.0/21 (4777 2497 4134 141771) and 101.251.136.0/21 (4777 2497 4134 141771)
  101.251.128.0/21     4777 2497 4134 141771 - Withdrawn - aggregated with 101.251.136.0/21 (4777 2497 4134 141771)
  101.251.136.0/21     4777 2497 4134 141771 - Withdrawn - aggregated with 101.251.128.0/21 (4777 2497 4134 141771)
  103.63.160.0/20      4777 2516 4134 141771 + Announce - aggregate of 103.63.160.0/21 (4777 2516 4134 141771) and 103.63.168.0/21 (4777 2516 4134 141771)
  103.63.160.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.164.0/22 (4777 2516 4134 141771)
  103.63.164.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.160.0/22 (4777 2516 4134 141771)
  103.63.168.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.172.0/22 (4777 2516 4134 141771)
  103.63.172.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.168.0/22 (4777 2516 4134 141771)
  103.63.176.0/21      4777 2516 4134 141771 + Announce - aggregate of 103.63.176.0/22 (4777 2516 4134 141771) and 103.63.180.0/22 (4777 2516 4134 141771)
  103.63.176.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.180.0/22 (4777 2516 4134 141771)
  103.63.180.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.63.176.0/22 (4777 2516 4134 141771)
  103.192.8.0/21       4777 2516 4134 141771 + Announce - aggregate of 103.192.8.0/22 (4777 2516 4134 141771) and 103.192.12.0/22 (4777 2516 4134 141771)
  103.192.8.0/22       4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.12.0/22 (4777 2516 4134 141771)
  103.192.12.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.8.0/22 (4777 2516 4134 141771)
  103.192.16.0/20      4777 2516 4134 141771 + Announce - aggregate of 103.192.16.0/21 (4777 2516 4134 141771) and 103.192.24.0/21 (4777 2516 4134 141771)
  103.192.16.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.20.0/22 (4777 2516 4134 141771)
  103.192.20.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.16.0/22 (4777 2516 4134 141771)
  103.192.24.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.28.0/22 (4777 2516 4134 141771)
  103.192.28.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 103.192.24.0/22 (4777 2516 4134 141771)
  106.9.36.0/23        4777 2497 4837 4134 141771   
  116.68.136.0/21      4777 2516 4134 141771 + Announce - aggregate of 116.68.136.0/22 (4777 2516 4134 141771) and 116.68.140.0/22 (4777 2516 4134 141771)
  116.68.136.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 116.68.140.0/22 (4777 2516 4134 141771)
  116.68.140.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 116.68.136.0/22 (4777 2516 4134 141771)
  116.68.176.0/21      4777 2516 4134 141771 + Announce - aggregate of 116.68.176.0/22 (4777 2516 4134 141771) and 116.68.180.0/22 (4777 2516 4134 141771)
  116.68.176.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 116.68.180.0/22 (4777 2516 4134 141771)
  116.68.180.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 116.68.176.0/22 (4777 2516 4134 141771)
  116.197.160.0/21     4777 2516 4134 141771 + Announce - aggregate of 116.197.160.0/22 (4777 2516 4134 141771) and 116.197.164.0/22 (4777 2516 4134 141771)
  116.197.160.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 116.197.164.0/22 (4777 2516 4134 141771)
  116.197.164.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 116.197.160.0/22 (4777 2516 4134 141771)
  116.254.104.0/21     4777 2516 4134 141771 + Announce - aggregate of 116.254.104.0/22 (4777 2516 4134 141771) and 116.254.108.0/22 (4777 2516 4134 141771)
  116.254.104.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 116.254.108.0/22 (4777 2516 4134 141771)
  116.254.108.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 116.254.104.0/22 (4777 2516 4134 141771)
  122.200.40.0/21      4777 2516 4134 141771 + Announce - aggregate of 122.200.40.0/22 (4777 2516 4134 141771) and 122.200.44.0/22 (4777 2516 4134 141771)
  122.200.40.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 122.200.44.0/22 (4777 2516 4134 141771)
  122.200.44.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 122.200.40.0/22 (4777 2516 4134 141771)
  123.242.192.0/21     4777 2516 4134 141771 + Announce - aggregate of 123.242.192.0/22 (4777 2516 4134 141771) and 123.242.196.0/22 (4777 2516 4134 141771)
  123.242.192.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 123.242.196.0/22 (4777 2516 4134 141771)
  123.242.196.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 123.242.192.0/22 (4777 2516 4134 141771)
  123.254.96.0/21      4777 2516 4134 141771 + Announce - aggregate of 123.254.96.0/22 (4777 2516 4134 141771) and 123.254.100.0/22 (4777 2516 4134 141771)
  123.254.96.0/22      4777 2516 4134 141771 - Withdrawn - aggregated with 123.254.100.0/22 (4777 2516 4134 141771)
  123.254.100.0/22     4777 2516 4134 141771 - Withdrawn - aggregated with 123.254.96.0/22 (4777 2516 4134 141771)
  182.18.5.0/24        4777 2497 4134 141771   
  182.18.32.0/19       4777 2497 4134 141771 + Announce - aggregate of 182.18.32.0/20 (4777 2497 4134 141771) and 182.18.48.0/20 (4777 2497 4134 141771)
  182.18.32.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.36.0/22 (4777 2497 4134 141771)
  182.18.36.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.32.0/22 (4777 2497 4134 141771)
  182.18.40.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.44.0/22 (4777 2497 4134 141771)
  182.18.44.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.40.0/22 (4777 2497 4134 141771)
  182.18.48.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.52.0/22 (4777 2497 4134 141771)
  182.18.52.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.48.0/22 (4777 2497 4134 141771)
  182.18.56.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.60.0/22 (4777 2497 4134 141771)
  182.18.60.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.56.0/22 (4777 2497 4134 141771)
  182.18.72.0/21       4777 2497 4837 4134 141771 + Announce - aggregate of 182.18.72.0/22 (4777 2497 4837 4134 141771) and 182.18.76.0/22 (4777 2497 4837 4134 141771)
  182.18.72.0/22       4777 2497 4837 4134 141771 - Withdrawn - aggregated with 182.18.76.0/22 (4777 2497 4837 4134 141771)
  182.18.76.0/22       4777 2497 4837 4134 141771 - Withdrawn - aggregated with 182.18.72.0/22 (4777 2497 4837 4134 141771)
  182.18.80.0/20       4777 2497 4134 141771 + Announce - aggregate of 182.18.80.0/21 (4777 2497 4134 141771) and 182.18.88.0/21 (4777 2497 4134 141771)
  182.18.80.0/21       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.88.0/21 (4777 2497 4134 141771)
  182.18.88.0/21       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.80.0/21 (4777 2497 4134 141771)
  182.18.96.0/19       4777 2497 4134 141771 + Announce - aggregate of 182.18.96.0/20 (4777 2497 4134 141771) and 182.18.112.0/20 (4777 2497 4134 141771)
  182.18.96.0/22       4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.100.0/22 (4777 2497 4134 141771)
  182.18.100.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.96.0/22 (4777 2497 4134 141771)
  182.18.104.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.108.0/22 (4777 2497 4134 141771)
  182.18.108.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.104.0/22 (4777 2497 4134 141771)
  182.18.112.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.116.0/22 (4777 2497 4134 141771)
  182.18.116.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.112.0/22 (4777 2497 4134 141771)
  182.18.120.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.124.0/22 (4777 2497 4134 141771)
  182.18.124.0/22      4777 2497 4134 141771 - Withdrawn - aggregated with 182.18.120.0/22 (4777 2497 4134 141771)

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

AS141771   25 More Specifics   57 Total Advertisements   CHINANET-HEBEI-ZHANGJIAKOU-MAN China Telecom, CN
    27.129.55.0/24                27.128.0.0/15
    101.251.128.0/21              101.251.128.0/17
    101.251.136.0/21              101.251.128.0/17
    106.9.36.0/23                 106.8.0.0/15
    182.18.5.0/24                 182.18.0.0/17
    182.18.32.0/22                182.18.0.0/17
    182.18.36.0/22                182.18.0.0/17
    182.18.40.0/22                182.18.0.0/17
    182.18.44.0/22                182.18.0.0/17
    182.18.48.0/22                182.18.0.0/17
    182.18.52.0/22                182.18.0.0/17
    182.18.56.0/22                182.18.0.0/17
    182.18.60.0/22                182.18.0.0/17
    182.18.72.0/22                182.18.0.0/17
    182.18.76.0/22                182.18.0.0/17
    182.18.80.0/21                182.18.0.0/17
    182.18.88.0/21                182.18.0.0/17
    182.18.96.0/22                182.18.0.0/17
    182.18.100.0/22               182.18.0.0/17
    182.18.104.0/22               182.18.0.0/17
    182.18.108.0/22               182.18.0.0/17
    182.18.112.0/22               182.18.0.0/17
    182.18.116.0/22               182.18.0.0/17
    182.18.120.0/22               182.18.0.0/17
    182.18.124.0/22               182.18.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS141771 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS141771\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS141626 - AS142649'
             
             as-block:       AS141626 - AS142649
             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:  2020-10-21T04:09:48Z
             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 'AS141771'
             
             % Abuse contact for 'AS141771' is 'anti-spam@chinatelecom.cn'
             
             aut-num:        AS141771
             as-name:        CHINANET-HEBEI-ZHANGJIAKOU-MAN
             descr:          China Telecom
             descr:          Data Network Management Division
             descr:          Network Operation & Maintenance Department
             descr:          No 19 Chaoyangmen North Street
             descr:          Dongcheng District
             country:        CN
             org:            ORG-CT1-AP
             admin-c:        BR3-AP
             tech-c:         BR3-AP
             abuse-c:        AC1573-AP
             mnt-routes:     MAINT-CHINANET-HE
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-CHINANET-CN
             last-modified:  2021-03-02T06:50:04Z
             source:         APNIC
             
             irt:            IRT-CHINANET-CN
             address:        No.31 ,jingrong street,beijing
             address:        100032
             e-mail:         anti-spam@chinatelecom.cn
             abuse-mailbox:  anti-spam@chinatelecom.cn
             admin-c:        CH93-AP
             tech-c:         CH93-AP
             auth:           # Filtered
             remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
             mnt-by:         MAINT-CHINANET
             last-modified:  2026-03-13T07:12:20Z
             source:         APNIC
             
             organisation:   ORG-CT1-AP
             org-name:       China Telecom
             country:        CN
             address:        Data Network Management Division
             address:        Network Operation & Maintenance Department
             address:        No 19 Chaoyangmen North Street
             address:        Dongcheng District
             phone:          +86-20-38639251
             fax-no:         +86-10-58501060
             e-mail:         zhengzm@chinatelecom.cn
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2019-09-16T12:55:07Z
             source:         APNIC
             
             role:           ABUSE CHINANETCN
             country:        ZZ
             address:        No.31 ,jingrong street,beijing
             address:        100032
             phone:          +000000000
             e-mail:         anti-spam@chinatelecom.cn
             admin-c:        CH93-AP
             tech-c:         CH93-AP
             nic-hdl:        AC1573-AP
             remarks:        Generated from irt object IRT-CHINANET-CN
             remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
             abuse-mailbox:  anti-spam@chinatelecom.cn
             mnt-by:         APNIC-ABUSE
             last-modified:  2025-11-13T14:15:15Z
             source:         APNIC
             
             person:         Bin Ren
             nic-hdl:        BR3-AP
             e-mail:         g-noc.he@chinatelecom.cn
             address:        NO.69 KunLun avenue, Shijiazhuang 050000 China
             phone:          +86-311-85211771
             fax-no:         +86-311-85202145
             country:        CN
             mnt-by:         MAINT-CHINANET-HE
             last-modified:  2019-03-20T02:47:26Z
             source:         APNIC
             
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