4528 HKU-AS-HK The University of Hong Kong, HK
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS137207 JUCC-AS-AP Joint Universities Computer Centre Limited, HK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2608 AS4528 ORIGIN Originate: 83712 /15.65 Transit: 0 /0.00 HKU-AS-HK The University of Hong Kong, HK
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 % 20161 AS4528 HKU-AS-HK The University of Hong Kong, HK 7 2 1 6 1 14.29% Prefix AS Path Aggregation Suggestion 147.8.0.0/16 4777 137207 4528 175.159.158.0/23 4777 137207 4528 175.159.160.0/19 4777 137207 4528 175.159.212.0/22 4777 137207 4528 202.45.128.0/24 4777 137207 4528 202.189.96.0/19 4777 137207 4528 + Announce - aggregate of 202.189.96.0/20 (4777 137207 4528) and 202.189.112.0/20 (4777 137207 4528) 202.189.96.0/20 4777 137207 4528 - Withdrawn - aggregated with 202.189.112.0/20 (4777 137207 4528) 202.189.112.0/20 4777 137207 4528 - Withdrawn - aggregated with 202.189.96.0/20 (4777 137207 4528)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4528 5 More Specifics 7 Total Advertisements HKU-AS-HK The University of Hong Kong, HK
175.159.158.0/23 175.159.0.0/16
175.159.160.0/19 175.159.0.0/16
175.159.212.0/22 175.159.0.0/16
202.189.96.0/20 202.189.96.0/19
202.189.112.0/20 202.189.96.0/19
whois: 402332
IANA has recorded AS4528 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4528\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4528'
% Abuse contact for 'AS4528' is 'abuse@hku.hk'
aut-num: AS4528
as-name: HKU-AS-HK
descr: The University of Hong Kong
country: HK
remarks: please send abuse report to
remarks: abuse@hku.hk
org: ORG-TUOH1-AP
admin-c: DITS-HKU-AP
tech-c: NTC5-AP
abuse-c: AH828-AP
mnt-lower: MAINT-HK-HKU
mnt-routes: MAINT-HK-HKU
mnt-by: APNIC-HM
mnt-irt: IRT-HK-HKU
last-modified: 2020-05-20T13:03:31Z
source: APNIC
irt: IRT-HK-HKU
address: ITS Office, 1/F, Library Building (Old Wing)
address: The University of Hong Kong
address: Pokfulam Road
address: Hong Kong
e-mail: GROUP-ITS-PCNETEAM@hku.hk
abuse-mailbox: abuse@hku.hk
admin-c: NN88-AP
tech-c: RL319-AP
auth: # Filtered
remarks: group-its-pcneteam@hku.hk was validated on 2026-02-03
remarks: abuse@hku.hk was validated on 2026-03-04
mnt-by: MAINT-HK-HKU
last-modified: 2026-03-04T01:13:30Z
source: APNIC
organisation: ORG-TUOH1-AP
org-name: The University of Hong Kong
org-type: LIR
country: HK
address: Information Technology Services
address: 1/F, Library Building (Old Wing)
address: The University of Hong Kong
phone: +852-3917-2492
fax-no: +852-2540-2970
e-mail: group-its-pcneteam@hku.hk
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:49Z
source: APNIC
role: ABUSE HKHKU
country: ZZ
address: ITS Office, 1/F, Library Building (Old Wing)
address: The University of Hong Kong
address: Pokfulam Road
address: Hong Kong
phone: +000000000
e-mail: GROUP-ITS-PCNETEAM@hku.hk
admin-c: NN88-AP
tech-c: RL319-AP
nic-hdl: AH828-AP
remarks: Generated from irt object IRT-HK-HKU
remarks: group-its-pcneteam@hku.hk was validated on 2026-02-03
remarks: abuse@hku.hk was validated on 2026-03-04
abuse-mailbox: abuse@hku.hk
mnt-by: APNIC-ABUSE
last-modified: 2026-03-04T01:13:57Z
source: APNIC
role: HKU Director of ITS
address: The University of Hong Kong
address: Pokfulam Road, Hong Kong
country: HK
phone: +852 3549 5333
e-mail: DITS@hku.hk
admin-c: DITS-HKU-AP
tech-c: NTC5-AP
nic-hdl: DITS-HKU-AP
mnt-by: MAINT-JUCC-AP
last-modified: 2011-07-19T10:44:46Z
source: APNIC
role: Network Technical Contact
address: ITS Office, 1/F, Library Building (Old Wing)
The University of Hong Kong,
Pokfulam Road,
Hong Kong
country: HK
phone: +852-3917-2496
e-mail: group-its-pcneteam@hku.hk
admin-c: DITS-HKU-AP
tech-c: NTC5-AP
nic-hdl: NTC5-AP
mnt-by: MAINT-HK-HKU
last-modified: 2020-05-25T06:43:54Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)