4158 CITYUNI-AS-AP City 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 2647 AS4158 ORIGIN Originate: 82944 /15.66 Transit: 0 /0.00 CITYUNI-AS-AP City 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 % 31398 AS4158 CITYUNI-AS-AP City University of Hong Kong, H 8 0 0 8 0 0.00% Prefix AS Path Aggregation Suggestion 144.214.0.0/16 4777 137207 4158 175.159.64.0/19 4777 137207 4158 175.159.200.0/21 4777 137207 4158 175.159.208.0/22 4777 137207 4158 202.125.216.0/21 4777 137207 4158 202.125.252.0/22 4777 137207 4158 203.188.80.0/21 4777 137207 4158 203.188.88.0/22 4777 137207 4158
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS4158 7 More Specifics 8 Total Advertisements CITYUNI-AS-AP City University of Hong Kong, HK
175.159.64.0/19 175.159.0.0/16
175.159.200.0/21 175.159.0.0/16
175.159.208.0/22 175.159.0.0/16
202.125.216.0/21 202.125.192.0/19
202.125.252.0/22 202.125.224.0/19
203.188.80.0/21 203.188.64.0/18
203.188.88.0/22 203.188.64.0/18
144.214.210.0/24 144.214.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 144.214.210.0/24 Withdrawn
whois: 402332
IANA has recorded AS4158 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4158\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS4158'
% Abuse contact for 'AS4158' is 'ccnet@cityu.edu.hk'
aut-num: AS4158
as-name: CITYUNI-AS-AP
descr: City University of Hong Kong
country: HK
org: ORG-CUOH2-AP
admin-c: CUOH2-AP
tech-c: CUOH2-AP
abuse-c: AC2622-AP
mnt-lower: MAINT-HK-CITY-UNI
mnt-routes: MAINT-HK-CITY-UNI
mnt-by: APNIC-HM
mnt-irt: IRT-CITYUNI-NON-HK
last-modified: 2022-10-10T12:59:27Z
source: APNIC
irt: IRT-CITYUNI-NON-HK
address: Tat Chee Avenue, Kowloon,
address: Hong Kong
e-mail: ccnet@cityu.edu.hk
abuse-mailbox: ccnet@cityu.edu.hk
admin-c: CUOH2-AP
tech-c: DOCS2-AP
auth: # Filtered
remarks: ccnet@cityu.edu.hk was validated on 2026-02-27
mnt-by: MAINT-HK-CITY-UNI
last-modified: 2026-02-27T07:44:43Z
source: APNIC
organisation: ORG-CUOH2-AP
org-name: City University of Hong Kong
org-type: LIR
country: HK
address: Tat Chee Avenue,
address: Kowloon,
phone: +852-3442-7658
fax-no: +852-3442-0366
e-mail: ccnet@cityu.edu.hk
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:17:24Z
source: APNIC
role: ABUSE CITYUNINONHK
country: ZZ
address: Tat Chee Avenue, Kowloon,
address: Hong Kong
phone: +000000000
e-mail: ccnet@cityu.edu.hk
admin-c: CUOH2-AP
tech-c: DOCS2-AP
nic-hdl: AC2622-AP
remarks: Generated from irt object IRT-CITYUNI-NON-HK
remarks: ccnet@cityu.edu.hk was validated on 2026-02-27
abuse-mailbox: ccnet@cityu.edu.hk
mnt-by: APNIC-ABUSE
last-modified: 2026-02-27T07:45:29Z
source: APNIC
role: City University of Hong Kong - Network Administrator
address: Tat Chee Avenue, Kowloon,
country: HK
phone: +852 3442 7658
e-mail: ccnet@cityu.edu.hk
admin-c: CUOH2-AP
tech-c: CUOH2-AP
nic-hdl: CUOH2-AP
notify: ccnet@cityu.edu.hk
mnt-by: MAINT-HK-CITY-UNI
last-modified: 2018-06-14T01:01:27Z
source: APNIC
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