23851 CNNIC-CQCNC-AP CHONGQING CNC BROADBAND NETWORKS CO.,LTD
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS17785 CHINATELECOM-HA-AS-AP asn for Henan Provincial Net of CT
AS4837 CHINA169-BACKBONE CNCGROUP China169 Backbone
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 769 AS23851 ORIGIN Originate: 259072 /14.02 Transit: 0 /0.00 CNNIC-CQCNC-AP CHONGQING CNC BROADBAND NETWORKS CO.,LTD
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 % 236 AS23851 CNNIC-CQCNC-AP CHONGQING CNC BROADBAND N 68 64 4 8 60 88.24% Prefix AS Path Aggregation Suggestion 211.158.0.0/16 4637 4134 17785 23851 211.158.0.0/16 4637 4837 23851 + Announce - aggregate of 211.158.0.0/17 (4637 4837 23851) and 211.158.128.0/17 (4637 4837 23851) 211.158.0.0/17 4637 4837 23851 - Withdrawn - aggregated with 211.158.128.0/17 (4637 4837 23851) 211.158.0.0/18 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.0.0/19 4637 4134 17785 23851 + Announce - aggregate of 211.158.0.0/20 (4637 4134 17785 23851) and 211.158.16.0/20 (4637 4134 17785 23851) 211.158.0.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.4.0/22 (4637 4134 17785 23851) 211.158.4.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.0.0/22 (4637 4134 17785 23851) 211.158.8.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.12.0/22 (4637 4134 17785 23851) 211.158.12.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.8.0/22 (4637 4134 17785 23851) 211.158.16.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.20.0/22 (4637 4134 17785 23851) 211.158.20.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.16.0/22 (4637 4134 17785 23851) 211.158.24.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.28.0/22 (4637 4134 17785 23851) 211.158.28.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.24.0/22 (4637 4134 17785 23851) 211.158.32.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.36.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.40.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.44.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.48.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.52.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.56.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.60.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.64.0/18 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.64.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.68.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.72.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.76.0/22 4637 4134 17785 23851 211.158.80.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.84.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.88.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.92.0/22 4637 4134 17785 23851 211.158.96.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.100.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.104.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.108.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.112.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.116.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.120.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.124.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.0.0/17 4637 4837 23851 211.158.128.0/17 4637 4837 23851 - Withdrawn - aggregated with 211.158.0.0/17 (4637 4837 23851) 211.158.128.0/18 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.128.0/22 4637 4134 17785 23851 211.158.132.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.136.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.140.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.144.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.148.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.152.0/21 4637 4134 17785 23851 + Announce - aggregate of 211.158.152.0/22 (4637 4134 17785 23851) and 211.158.156.0/22 (4637 4134 17785 23851) 211.158.152.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.156.0/22 (4637 4134 17785 23851) 211.158.156.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.152.0/22 (4637 4134 17785 23851) 211.158.160.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.164.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.168.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.172.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.176.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.180.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.184.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.188.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.192.0/18 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.192.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.196.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.200.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.204.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.212.0/22 4637 4837 23851 - Withdrawn - matching aggregate 211.158.128.0/17 4637 4837 23851 211.158.224.0/19 4637 4134 17785 23851 + Announce - aggregate of 211.158.224.0/20 (4637 4134 17785 23851) and 211.158.240.0/20 (4637 4134 17785 23851) 211.158.224.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.228.0/22 (4637 4134 17785 23851) 211.158.228.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.224.0/22 (4637 4134 17785 23851) 211.158.232.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.236.0/22 (4637 4134 17785 23851) 211.158.236.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.232.0/22 (4637 4134 17785 23851) 211.158.240.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.244.0/22 (4637 4134 17785 23851) 211.158.244.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.240.0/22 (4637 4134 17785 23851) 211.158.248.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.252.0/22 (4637 4134 17785 23851) 211.158.252.0/22 4637 4134 17785 23851 - Withdrawn - aggregated with 211.158.248.0/22 (4637 4134 17785 23851)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23851 69 More Specifics 69 Total Advertisements CNNIC-CQCNC-AP CHONGQING CNC BROADBAND NETWORKS CO.,LTD
211.158.0.0/16 211.156.0.0/14
211.158.0.0/17 211.156.0.0/14
211.158.0.0/18 211.156.0.0/14
211.158.0.0/22 211.156.0.0/14
211.158.4.0/22 211.156.0.0/14
211.158.8.0/22 211.156.0.0/14
211.158.12.0/22 211.156.0.0/14
211.158.16.0/22 211.156.0.0/14
211.158.20.0/22 211.156.0.0/14
211.158.24.0/22 211.156.0.0/14
211.158.28.0/22 211.156.0.0/14
211.158.32.0/22 211.156.0.0/14
211.158.36.0/22 211.156.0.0/14
211.158.40.0/22 211.156.0.0/14
211.158.44.0/22 211.156.0.0/14
211.158.48.0/22 211.156.0.0/14
211.158.52.0/22 211.156.0.0/14
211.158.56.0/22 211.156.0.0/14
211.158.60.0/22 211.156.0.0/14
211.158.64.0/18 211.156.0.0/14
211.158.64.0/22 211.156.0.0/14
211.158.68.0/22 211.156.0.0/14
211.158.72.0/22 211.156.0.0/14
211.158.76.0/22 211.156.0.0/14
211.158.80.0/22 211.156.0.0/14
211.158.84.0/22 211.156.0.0/14
211.158.88.0/22 211.156.0.0/14
211.158.92.0/22 211.156.0.0/14
211.158.96.0/22 211.156.0.0/14
211.158.100.0/22 211.156.0.0/14
211.158.104.0/22 211.156.0.0/14
211.158.108.0/22 211.156.0.0/14
211.158.112.0/22 211.156.0.0/14
211.158.116.0/22 211.156.0.0/14
211.158.120.0/22 211.156.0.0/14
211.158.124.0/22 211.156.0.0/14
211.158.128.0/17 211.156.0.0/14
211.158.128.0/18 211.156.0.0/14
211.158.128.0/22 211.156.0.0/14
211.158.132.0/22 211.156.0.0/14
211.158.136.0/22 211.156.0.0/14
211.158.140.0/22 211.156.0.0/14
211.158.144.0/22 211.156.0.0/14
211.158.148.0/22 211.156.0.0/14
211.158.152.0/22 211.156.0.0/14
211.158.156.0/22 211.156.0.0/14
211.158.160.0/22 211.156.0.0/14
211.158.164.0/22 211.156.0.0/14
211.158.168.0/22 211.156.0.0/14
211.158.172.0/22 211.156.0.0/14
211.158.176.0/22 211.156.0.0/14
211.158.180.0/22 211.156.0.0/14
211.158.184.0/22 211.156.0.0/14
211.158.188.0/22 211.156.0.0/14
211.158.192.0/18 211.156.0.0/14
211.158.192.0/22 211.156.0.0/14
211.158.196.0/22 211.156.0.0/14
211.158.200.0/22 211.156.0.0/14
211.158.204.0/22 211.156.0.0/14
211.158.208.0/22 211.156.0.0/14
211.158.212.0/22 211.156.0.0/14
211.158.224.0/22 211.156.0.0/14
211.158.228.0/22 211.156.0.0/14
211.158.232.0/22 211.156.0.0/14
211.158.236.0/22 211.156.0.0/14
211.158.240.0/22 211.156.0.0/14
211.158.244.0/22 211.156.0.0/14
211.158.248.0/22 211.156.0.0/14
211.158.252.0/22 211.156.0.0/14
whois: 402332
IANA has recorded AS23851 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23851\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
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
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 'AS23839 - AS23853'
as-block: AS23839 - AS23853
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: 2008-09-04T06:40:26Z
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 'AS23851'
% Abuse contact for 'AS23851' is 'ipas@cnnic.cn'
aut-num: AS23851
as-name: CNNIC-CQCNC-AP
descr: CHONGQING CNC BROADBAND NETWORKS CO.,LTD
descr: 1/F,HaiWangXing Mansion, No.62 XingGuang Great Street GaoXin Garden,
descr: the New North Dist. Chongqing
country: CN
import: from AS4134 action pref=100; accept ANY
import: from AS4847 action pref=100; accept ANY
export: to AS4134 announce AS23851
export: to AS4847 announce AS23851
admin-c: ZY567-AP
tech-c: ZY567-AP
abuse-c: AC1601-AP
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2021-06-16T01:27:39Z
source: APNIC
irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
remarks: ipas@cnnic.cn is invalid
mnt-by: MAINT-CNNIC-AP
last-modified: 2025-11-17T23:08:37Z
source: APNIC
role: ABUSE CNNICCN
country: ZZ
address: Beijing, China
phone: +000000000
e-mail: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
nic-hdl: AC1601-AP
remarks: Generated from irt object IRT-CNNIC-CN
remarks: ipas@cnnic.cn is invalid
abuse-mailbox: ipas@cnnic.cn
mnt-by: APNIC-ABUSE
last-modified: 2025-09-19T17:20:32Z
source: APNIC
person: zhang yong
nic-hdl: ZY567-AP
e-mail: frankpeng@hltt.cn
address: 1-27-03 huaximeilu，No.17， 3rd Segment of the Renmin SouthRoad，Chengdu
phone: +86-028-85451443
fax-no: +86-028-85451579
country: cn
mnt-by: MAINT-CNNIC-AP
last-modified: 2008-09-04T07:30:38Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)