ASN Lookup Tool

City University of Hong Kong cityu.edu.hk HK HK 11 Routes

AS Data

AS4158

AS4158City University of Hong Kong

AS Number 4158
AS Name CITYUNI-AS-AP
Organization City University of Hong Kong(org-cuoh2-ap)
Country HK
Website cityu.edu.hk
Number of IPv4 Routes 10
Number of IPv6 Routes 1
ASN type EDUCATION
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS4158 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
203.188.112.128/27 32
203.188.112.112/28 16
175.159.64.0/19 8192
144.214.0.0/16 65536
175.159.200.0/21 2048
175.159.208.0/22 1024
202.125.216.0/21 2048
2001:ce0:5::/48 ~1×10²⁴
202.125.252.0/22 1024
203.188.80.0/21 2048

Raw Whois Response

% [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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       4158
ASName:         APNIC-4158
ASHandle:       AS4158
RegDate:        2002-07-31
Updated:        2009-10-08
Comment:        This AS number is not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/4158

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS3662 Joint Universities Computer Centre Limited HK
AS137207 Joint Universities Computer Centre Limited HK

Upstreams

AS Number Description Country
AS3662 Joint Universities Computer Centre Limited HK
AS137207 Joint Universities Computer Centre Limited HK

Contacts

Email Contacts

Abuse Contacts

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Frequently Asked Questions

ASN AS4158 is an Autonomous System Number used to identify a network for BGP internet routing.
AS4158 is listed under City University of Hong Kong.
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.