RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

175.159.240.0 - 175.159.243.255

Record foundAPNIC

HKUST-HKASSIGNED NON-PORTABLE

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at11/5/2026, 11:26:16Local authoritative snapshot

BGP routes RPKI check Prefix profile

Resource type: Network prefix
Registry: APNIC
Registration country / region: Hong Kong SAR China
Registration status: Active
Registered at: 3/26/2013, 13:29:48
Last changed: 5/12/2021, 03:11:49

Resource range175.159.240.0 – 175.159.243.255Network prefix

Resource records1CIDR count

Public contacts3Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: 175.159.240.0 - 175.159.243.255
Name: HKUST-HK
Allocation type: ASSIGNED NON-PORTABLE
Parent handle: Not provided by registry
Whois server: whois.apnic.net
Authoritative RDAP host: rdap.apnic.net

Address and number range

Resource range: 175.159.240.0 – 175.159.243.255
Address family: IPv4
Resource records: 1
CIDR inventory: 175.159.240.0/22

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

3 entities

Administrative

Charles ChoyCC47-AP

charles.choy@ust.hk+852 2358 6208

Information Technology Services Center Hong Kong University of Science & Technology Clear Water Bay Kowloon Hong Kong

Abuse

IRT-JUCC-HKIRT-JUCC-HK

hartech@jucc.edu.hk hartech@jucc.edu.hk

Joint Universities Computer Centre · c/o Information Technology Services · The University of Hong Kong · Pokfulam Road

Technical

K K TamKT29-AP

k.k.tam@ust.hk+852 2358 6246+852 2358 0967

Information Technology Services Center · Hong Kong University of Science & Technology · Clear Water Bay · Kowloon · Hong Kong

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	5/12/2021, 03:11:49	Not provided by registry
Registration	3/26/2013, 13:29:48	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

5 notices

descriptionThe Hong Kong University of Science and Technology Clear Water Bay, Kowloon

remarks-+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Please send abuse reports to abuse@ust.hk -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

SourceObjects returned came from source APNIC

Terms and ConditionsThis is the APNIC WHOIS Database query service. The objects are in RDAP format.

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: APNIC · rdap.apnic.net