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Data as of Nov 8, 2026

203.188.64.0/20

No anonymizer space · no proxy exits in 30 days

The Chinese University of Hong Kong · space held by Joint Universities Computer Centre Limited

Announcement
this exact prefix
No RPKI
Announced by
AS3661
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.188.64.0/1816,384JUCC-BLK3Joint Universities Computer Centre Limited (ORG-JUCC1-AP) · HKALLOCATED PORTABLE—hartech@jucc.edu.hk
└ 203.188.64.0/204,096CUHK-HKThe Chinese University of Hong KongASSIGNED NON-PORTABLE—hartech@jucc.edu.hk
via JUCC-BLK3

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Joint Universities Computer Centre Limited
Handle
ORG-JUCC1-AP
Range
203.188.64.0/18
Registration type
ALLOCATED PORTABLE
Origin network

AS3661

HK
Name
The Chinese University of Hong Kong
Type
Education
Registered
Aug 1, 2002
Domain
cuhk.edu.hk
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed