Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS4528

Announcement observedARIN

The University of Hong Kong · HKU-AS-HK

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/29/2026, 11:44:12Snapshot expired

View network topology RDAP registration

ASN: AS4528
Registration country: Hong Kong SAR China
Name: The University of Hong Kong
Abbreviation: HKU-AS-HK
Registration date: 9/4/2008, 06:40:36
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
147.8.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
175.159.158.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
175.159.160.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
175.159.212.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
202.189.112.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
202.189.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid
202.45.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	11/2/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: The University of Hong Kong
RIR: ARIN
Registration country: Hong Kong SAR China
Registration date: 9/4/2008, 06:40:36
Abuse contact: GROUP-ITS-PCNETEAM@hku.hk

Snapshot trend

9/29/2026, 11:44:127 v42 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn