Autonomous system profile

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

AS3662

Announcement observedARIN

HARNET - Joint Universities Computer Centre Limited · HARNET

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

Last active9/29/2026, 10:56:13Snapshot expired

View network topology RDAP registration

ASN: AS3662
Registration country: Hong Kong SAR China
Name: HARNET - Joint Universities Computer Centre Limited
Abbreviation: HARNET
Registration date: 9/4/2008, 06:40:33
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
175.159.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
192.245.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
202.40.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
202.40.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
203.188.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
203.188.117.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record
203.188.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Historical record

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

Registration and sources

Organization: HARNET - Joint Universities Computer Centre Limited
RIR: ARIN
Registration country: Hong Kong SAR China
Registration date: 9/4/2008, 06:40:33
Abuse contact: hartech@jucc.edu.hk

Snapshot trend

9/29/2026, 10:56:137 v42 v67 Upstream · 3 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 · rir-rdap-asn · iana-rdap-asn-bootstrap