AS3661 The Chinese University of Hong Kong 🇭🇰 HK

Announcing 9 prefixes, seen at the RIS collectors.

IPv4 prefixes
7
74,240 (290 × /24)
IPv6 prefixes
2
1 × /32
Upstreams
3
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS3661
Name
The Chinese University of Hong Kong
Organisation
The Chinese University of Hong Kong AS 3661
Country
🇭🇰 HK
RIR
APNIC
Allocated
2002-08-01
Scope
Not Disclosed
PeeringDB
net/14187
Exchanges
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 9 no ROA (100.0%)

Announcement history

One point per day, recorded at each table import

0245709-1809-2610-0410-1210-2010-2811-0511-06
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-10-30 05:34:26Z new prefix 137.189.75.0/24 AS3661 The Chinese University of Hong Kong 4913453356693945474454743661