AS3661 ERX-CUHKNET The Chinese University of Hong Kong
🇭🇰Org handle: ORG-CUOH1-AP
The Chinese University of Hong Kong
APNICallocated
Announced Prefixes (BGP)
10total
8 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)85,248
Announced (BGP)74,496
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)10|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | APNICOther IRR | 2026-10-11 | |
| No ROA | APNICOther IRR | 2026-10-11 | |
| No ROA | APNICOther IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | APNICOther IRR | 2026-10-11 |
Allocated Prefixes
(RIR)15Prefix | Country | RIR | Status |
|---|---|---|---|
| 43.230.116.0/22 | 🇭🇰 HK | APNIC | assigned |
| 43.252.200.0/22 | 🇭🇰 HK | APNIC | assigned |
| 103.29.12.0/22 | 🇭🇰 HK | APNIC | allocated |
| 103.49.160.0/22 | 🇭🇰 HK | APNIC | assigned |
| 123.255.64.0/20 | 🇭🇰 HK | APNIC | allocated |
| 123.255.80.0/21 | 🇭🇰 HK | APNIC | allocated |
| 137.189.0.0/16 | 🇭🇰 HK | APNIC | allocated |
| 175.159.224.0/22 | 🇭🇰 HK | APNIC | assigned |
| 202.40.160.0/23 | 🇭🇰 HK | APNIC | assigned |
| 202.40.216.0/24 | 🇭🇰 HK | APNIC | assigned |
1-10 of 15
1 / 2
All 10 announced prefixes of AS3661 →
BGP Neighbours
(seen in AS paths)ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS3661 should publish an ASPA object
- IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/3661Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/3661" | jq