AS3363
Hong Kong University of Science and Technology
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 143.89.0.0/16 | 65.5K |
53.3%
|
Hong Kong University of Science and Technology | HK | Sai Kung District | Sai Kung |
| 175.159.96.0/19 | 8.2K |
95.4%
|
Hong Kong University of Science and Technology | HK | — | — |
| 202.125.224.0/21 | 2.0K |
0.1%
|
Hong Kong University of Science and Technology | HK | — | — |
| 203.188.104.0/21 | 2.0K |
0.0%
|
Hong Kong University of Science and Technology | HK | — | — |
| 175.159.240.0/22 | 1.0K |
0.0%
|
Hong Kong University of Science and Technology | HK | — | — |
| 202.40.138.0/23 | 512 |
14.5%
|
Hong Kong University of Science and Technology | HK | — | — |
| 202.14.80.0/24 | 256 |
1.6%
|
Hong Kong University of Science and Technology | HK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS3363 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 202.125.228.0/22 | 14,711 | 2026-07-24 14:12:25 |
| 175.159.240.0/22 | 11,597 | 2026-07-24 14:12:42 |
| 175.159.96.0/19 | 11,021 | 2026-07-24 14:13:12 |
| 203.188.104.0/21 | 10,667 | 2026-07-24 14:12:25 |
| 202.40.139.0/24 | 10,643 | 2026-07-24 14:12:25 |
| 202.125.224.0/24 | 10,614 | 2026-07-24 14:12:25 |
| 202.125.226.0/24 | 10,599 | 2026-07-24 14:12:25 |
| 202.40.138.0/24 | 10,586 | 2026-07-24 14:12:25 |
| 202.125.225.0/24 | 10,576 | 2026-07-24 14:12:25 |
| 202.14.80.0/24 | 10,570 | 2026-07-24 14:12:25 |
| 143.89.0.0/16 | 10,393 | 2026-07-24 14:12:44 |
| 202.125.227.0/24 | 9,119 | 2026-07-24 13:54:22 |
Frequently Asked Questions
What is AS3363?
AS3363 is an Autonomous System Number assigned to Hong Kong University of Science and Technology. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS3363 announce?
AS3363 announces 79.6K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS3363?
AS3363 is operated by Hong Kong University of Science and Technology. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS3363 registered in?
AS3363 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
