HomeASN LookupAS3661

AS3661

🇭🇰

ERX-CUHKNET - The Chinese University of Hong KongORG-CUOH1-AP

The Chinese University of Hong Kong

APNICallocated
Announced Prefixes (BGP)
10total
8 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)93,440
Announced (BGP)74,496
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
10
Country
🇭🇰 HK
RIR
APNIC
Status
allocated
Allocated
8/1/2002

Announced Prefixes

(BGP)10
|
Prefix
RPKI
IRR
Last Seen
103.49.160.0/22
No ROA
APNICRADB
5/25/2026
123.255.64.0/21
No ROA
APNICRADB
5/25/2026
137.189.0.0/16
No ROA
APNICRADB
5/25/2026
137.189.162.0/24
No ROA—5/25/2026
137.189.196.0/24
No ROA—5/25/2026
175.159.224.0/22
No ROA
RADB
5/25/2026
202.40.216.0/24
No ROA
RADB
5/25/2026
203.188.64.0/20
No ROA
RADB
5/25/2026
2001:ce0:3::/48
No ROA
RADB
5/25/2026
2405:3000::/32
No ROA
APNICRADB
5/25/2026

Allocated Prefixes

(RIR)16
Prefix
Country
RIR
Status
43.230.116.0/22🇭🇰 HKAPNICassigned
43.252.200.0/22🇭🇰 HKAPNICassigned
103.29.12.0/22🇭🇰 HKAPNICallocated
103.49.160.0/22🇭🇰 HKAPNICassigned
123.255.64.0/20🇭🇰 HKAPNICallocated
123.255.80.0/21🇭🇰 HKAPNICallocated
123.255.96.0/19🇭🇰 HKAPNICallocated
137.189.0.0/16🇭🇰 HKAPNICallocated
175.159.224.0/22🇭🇰 HKAPNICassigned
202.40.160.0/23🇭🇰 HKAPNICassigned
1–10 of 16
1 / 2
ASPA
No ASPA
External Links
APNIC WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/3661

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/3661" | jq