ASN Lookup Tool

CNGI CERNET cernet.edu.cn CN CN 6 Routes

AS Data

AS23910

AS23910CNGI CERNET

AS Number 23910
AS Name CNGI-CERNET2-AS-AP
Organization CNGI CERNET
Country CN
Website cernet.edu.cn
Number of IPv4 Routes 0
Number of IPv6 Routes 6
ASN type EDUCATION
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS23910 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:251::/32 ~79×10²⁷
2001:da8::/32 ~79×10²⁷
2001:da8:20d::/48 ~1×10²⁴
240c:c0a9:1000::/40 ~309×10²⁴
240c:c000::/20 ~325×10³⁰
2001:250::/32 ~79×10²⁷

Raw Whois Response

% [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:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
source:         APNIC

% Information related to 'AS23854 - AS23944'

as-block:       AS23854 - AS23944
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:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
source:         APNIC

% Information related to 'AS23910'

% Abuse contact for 'AS23910' is 'abuse@cernet.edu.cn'

aut-num:        AS23910
as-name:        CNGI-CERNET2-AS-AP
descr:          China Next Generation Internet CERNET2
descr:          CNGI-CERNET
descr:          Beijing 100084, China
country:        CN
import:         from AS4538 action pref=10; accept ANY
import:         from AS4839 action pref=10; accept ANY
import:         from AS4840 action pref=10; accept ANY
import:         from AS9406 action pref=10; accept ANY
import:         from AS9407 action pref=10; accept ANY
export:         to AS9406 announce AS23910 AS4538 AS9407 AS4839 AS4840
export:         to AS4538 announce AS23910 AS9406 AS9407 AS4839 AS4840
export:         to AS9407 announce AS23910 AS4538 AS9406 AS4839 AS4840
export:         to AS4840 announce AS23910 AS4538 AS9406 AS9407 AS4839
export:         to AS4839 announce AS23910 AS4538 AS9406 AS9407 AS4840
default:        to AS4538 action pref=10; networks ANY
remarks:        Multihome portion of CERNET
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:14Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-05-25T09:07:47Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS24372 CERNET2 IX at Harbin Institute of Technology CN
AS4840 NAP3 at CERNET located in Guangzhou CN
AS24352 CERNET2 IX at Tianjin University CN
AS24360 CERNET2 IX at Zhengzhou University CN
AS24371 CERNET2 IX at Jilin University CN
AS24356 CERNET2 IX at Chongqing University CN
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN
AS138375 CERNET2 regional IX at Inner Mongolia University CN
AS24349 CERNET2 IX at Peking University CN
AS24364 CERNET2 IX at Shanghai Jiaotong University CN
AS24351 CERNET2 IX at Beijing University of Aeronautics and Astronautics CN
AS138373 CERNET2 regional IX at Fuzhou University CN
AS138440 CERNET2 regional IX at Hainan Normal University CN
AS138182 CERNET2 regional IX at Hebei Normal University CN
AS4538 Tsinghua University CN
AS138378 CERNET2 regional IX at Yunnan University CN
AS24358 CERNET2 IX at Huazhong University of Science and Technology CN
AS24370 CERNET2 IX at Dalian University of Technology CN
AS24367 CERNET2 IX at Zhejiang University CN
AS138438 CERNET2 regional IX at Guangxi Normal University CN
AS133512 CERNET New Technology Co., Ltd CN
AS24357 CERNET2 IX at South China University of Technology CN
AS138442 CERNET2 regional IX at Tibet University CN
AS138369 CERNET2 regional IX at Shenzhen University CN
AS24359 CERNET2 IX at Central South University CN
AS23911 CNGI CERNET CN
AS138377 CERNET2 regional IX at Qinghai Normal University CN
AS24355 CERNET2 IX at University of Electronic Science and Technology of China CN
AS24348 CERNET2 IX at Tsinghua University CN
AS24350 CERNET2 IX at Beijing University of Posts and Telecommunications CN
AS9407 Room 224, Tsinghua University CN
AS138376 CERNET2 regional IX at Ningxia University CN
AS24353 CERNET2 IX at Xi'an Jiaotong University CN
AS138370 CERNET2 regional IX at Nanchang University CN
AS138381 CERNET2 regional IX at Guizhou University CN
AS133518 CERNET New Technology Co., Ltd CN
AS24354 CERNET2 IX at Lanzhou University CN
AS24366 CERNET2 IX at Tongji University CN
AS24365 CERNET2 IX at Fudan University CN
AS133111 CERNET New Technology Co., Ltd CN
AS24369 CERNET2 IX at Northeast University CN
AS4839 Shanghai Jiaotong University, Shanghai CN
AS9406 Room 224, Tsinghua University CN
AS38587 Tsinghua University CN
AS138371 CERNET2 regional IX at Ocean University of China CN
AS24363 CERNET2 IX at Shandong University CN
AS24362 CERNET2 IX at University of Science and Technology of China CN
AS138393 CERNET2 regional IX at Guangxi University CN
AS24368 CERNET2 IX at Xiamen University CN
AS138374 CERNET2 regional IX at Taiyuan University CN
AS24361 CERNET2 IX at Southeast University CN

Upstreams

AS Number Description Country
AS23911 CNGI CERNET CN
AS4538 Tsinghua University CN
AS4134 CHINANET BACKBONE No.31,Jin rong Street CN

Downstreams

AS Number Description Country
AS24372 CERNET2 IX at Harbin Institute of Technology CN
AS138377 CERNET2 regional IX at Qinghai Normal University CN
AS24355 CERNET2 IX at University of Electronic Science and Technology of China CN
AS24348 CERNET2 IX at Tsinghua University CN
AS24350 CERNET2 IX at Beijing University of Posts and Telecommunications CN
AS24352 CERNET2 IX at Tianjin University CN
AS24360 CERNET2 IX at Zhengzhou University CN
AS138376 CERNET2 regional IX at Ningxia University CN
AS24353 CERNET2 IX at Xi'an Jiaotong University CN
AS24371 CERNET2 IX at Jilin University CN

Contacts

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Frequently Asked Questions

ASN AS23910 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23910 is listed under CNGI CERNET.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.