ASN Lookup Tool

The Chinese University of Hong Kong cuhk.edu.hk HK HK 10 Routes

AS Data

AS3661

AS3661 – The Chinese University of Hong Kong

AS Number 3661
AS Name ERX-CUHKNET
Organization The Chinese University of Hong Kong (org-cuoh1-ap)
Country HK
Website cuhk.edu.hk
Number of IPv4 Routes 8
Number of IPv6 Routes 2
ASN type EDUCATION
Registry APNIC
Date Allocated 2002-08-01

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Use ASN data for AS3661 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
103.49.160.0/22 1024
202.40.216.0/24 256
2405:3000::/32 ~79×10²⁷
203.188.64.0/20 4096
175.159.224.0/22 1024
137.189.196.0/24 256
137.189.0.0/16 65536
137.189.162.0/24 256
2001:ce0:3::/48 ~1×10²⁴
123.255.64.0/21 2048

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS3661'

% Abuse contact for 'AS3661' is 'noc-admin@cuhk.edu.hk'

aut-num:        AS3661
as-name:        ERX-CUHKNET
descr:          The Chinese University of Hong Kong
descr:          Information Technology Services Centre
country:        HK
remarks:        This aut-num object created as part of the ER-Transfer from ARIN
org:            ORG-CUOH1-AP
admin-c:        NA17-AP
tech-c:         NT27-AP
abuse-c:        AC2019-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CUHKNET-HK
mnt-routes:     MAINT-CUHKNET-HK
mnt-irt:        IRT-CUHKNET-HK
last-modified:  2022-12-05T02:41:49Z
source:         APNIC

irt:            IRT-CUHKNET-HK
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
e-mail:         noc-admin@cuhk.edu.hk
abuse-mailbox:  noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
auth:           # Filtered
remarks:        noc-admin@cuhk.edu.hk was validated on 2026-05-13
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2026-05-13T00:37:13Z
source:         APNIC

organisation:   ORG-CUOH1-AP
org-name:       The Chinese University of Hong Kong
org-type:       LIR
country:        HK
address:        Information Technology Service Centre
address:        G/F., Pi-Chiu Building
phone:          +852-3943-8848
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:42Z
source:         APNIC

role:           ABUSE CUHKNETHK
country:        ZZ
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
phone:          +000000000
e-mail:         noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
nic-hdl:        AC2019-AP
remarks:        Generated from irt object IRT-CUHKNET-HK
remarks:        noc-admin@cuhk.edu.hk was validated on 2026-05-13
abuse-mailbox:  noc-admin@cuhk.edu.hk
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-13T00:37:41Z
source:         APNIC

person:         Network Administration Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
nic-hdl:        NA17-AP
notify:         noc-admin@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:45:32Z
source:         APNIC

person:         Network Technical Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-tech@cuhk.edu.hk
nic-hdl:        NT27-AP
notify:         noc-tech@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:46:08Z
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
AS24482 SG.GS SG
AS39120 Convergenze S.p.A. IT
AS55720 Gigabit Hosting Sdn Bhd MY
AS8359 MTS PJSC RU
AS32590 Valve Corporation US
AS6939 Hurricane Electric LLC US
AS4635 The Hong Kong Internet Exchange Limited HK
AS137207 Joint Universities Computer Centre Limited HK
AS7713 Telekomunikasi Indonesia PT ID
AS58717 Summit Communications Limited BD
AS4641 The Hong Kong Internet Exchange Limited HK
AS132337 AXCLUSIVE PTE. LTD. SG
AS140627 ONEQODE ASSETS PTY LTD AU
AS3662 Joint Universities Computer Centre Limited HK
AS45796 UIH / BB Connect TH
AS36236 NetActuate, Inc US
AS18106 Viewqwest Pte Ltd SG
AS45474 Nexusguard Pte. Ltd. SG
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS3662 Joint Universities Computer Centre Limited HK
AS8359 MTS PJSC RU
AS6939 Hurricane Electric LLC US
AS4635 The Hong Kong Internet Exchange Limited HK
AS137207 Joint Universities Computer Centre Limited HK
AS7713 Telekomunikasi Indonesia PT ID
AS4641 The Hong Kong Internet Exchange Limited HK
AS45474 Nexusguard Pte. Ltd. SG

Contacts

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Frequently Asked Questions

ASN AS3661 is an Autonomous System Number used to identify a network for BGP internet routing.
AS3661 is listed under The Chinese 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.