9401 NLC-CN-AS National Library of China, CN
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS23911 CNGI-BJIX-AS-AP China Next Generation Internet Beijing IX, CN
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 47917 AS9401 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 NLC-CN-AS National Library of China, 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 % 32362 AS9401 NLC-CN-AS National Library of China, CN 2 0 0 2 0 0.00% Prefix AS Path Aggregation Suggestion 202.106.125.0/24 4608 7575 24490 24489 23911 9401 202.106.126.0/24 4608 7575 24490 24489 23911 9401
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9401 2 More Specifics 2 Total Advertisements NLC-CN-AS National Library of China, CN
202.106.125.0/24 202.106.0.0/16
202.106.126.0/24 202.106.0.0/16
whois: 402332
IANA has recorded AS9401 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9401\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9249 - AS10239'
as-block: AS9249 - AS10239
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: 2022-09-22T22:36:45Z
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 'AS9401'
% Abuse contact for 'AS9401' is 'abuse@cernet.edu.cn'
aut-num: AS9401
as-name: NLC-CN-AS
descr: National Library of China
descr: Member of CERNET-CN
descr: Room 224, Tsinghua University
descr: Beijing, China
country: CN
import: from AS4538 action pref=10; accept AS4538 AS4789 AS7497
import: from AS4789 action pref=50; accept AS4789 AS4538 AS7497
import: from AS4134 action pref=10; accept ANY
export: to AS4538 announce AS9401
export: to AS4789 announce AS9401
export: to AS4134 announce AS9401
default: to AS4134 action pref=10; networks ANY
remarks: multihome member
admin-c: JW1-CN
tech-c: XL1-CN
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: 2026-03-05T06:39:56Z
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
person: Jianping Wu
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: jianping@cernet.edu.cn
nic-hdl: JW1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
person: Xing Li
address: China Education and Research Network Center
address: Room 225, Main Building, Tsinghua University
address: Beijing 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: xing@cernet.edu.cn
nic-hdl: XL1-CN
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:25Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)