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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 175.159.32.0/19 | 8.2K |
0.0%
|
Lingnan University | HK | — | — |
| 202.40.192.0/20 | 4.1K |
8.6%
|
Lingnan University | HK | Tuen Mun | Tuenmen |
| 202.75.64.0/21 | 2.0K |
0.1%
|
Lingnan University | HK | Tuen Mun | Tuenmen |
| 203.188.96.0/21 | 2.0K |
0.0%
|
Lingnan University | HK | Yuen Long District | Hung Shui Kiu |
| 203.188.120.0/21 | 2.0K |
0.0%
|
Lingnan University | HK | — | — |
| 175.159.248.0/22 | 1.0K |
0.0%
|
Lingnan University | HK | — | — |
| 202.75.72.0/22 | 1.0K |
0.2%
|
Lingnan University | HK | — | — |
| 175.159.252.0/23 | 512 |
0.0%
|
Lingnan University | HK | Tuen Mun | Tuenmen |
| 192.245.208.0/24 | 256 |
0.4%
|
Lingnan University | HK | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS7651 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 |
|---|---|---|
| 203.188.120.0/23 | 12,435 | 2026-07-29 12:57:44 |
| 203.188.100.0/22 | 12,410 | 2026-07-29 12:57:44 |
| 192.245.208.0/24 | 12,362 | 2026-07-29 12:57:44 |
| 203.188.124.0/22 | 12,359 | 2026-07-29 12:57:44 |
| 202.40.192.0/20 | 12,347 | 2026-07-29 11:51:51 |
| 203.188.96.0/22 | 12,327 | 2026-07-29 12:57:44 |
| 203.188.122.0/23 | 12,304 | 2026-07-29 12:57:44 |
| 202.75.72.0/22 | 12,289 | 2026-07-29 12:57:44 |
| 202.75.64.0/21 | 12,285 | 2026-07-29 12:57:44 |
| 175.159.252.0/23 | 11,414 | 2026-07-29 12:57:44 |
| 175.159.48.0/20 | 11,287 | 2026-07-29 11:51:51 |
| 175.159.248.0/22 | 11,258 | 2026-07-29 12:57:44 |
| 175.159.32.0/20 | 11,241 | 2026-07-29 11:51:51 |
| 203.188.112.80/28 | 18 | 2026-07-27 18:53:28 |
Frequently Asked Questions
What is AS7651?
AS7651 is an Autonomous System Number assigned to Lingnan University. 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 AS7651 announce?
AS7651 announces 21.2K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS7651?
AS7651 is operated by Lingnan University. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS7651 registered in?
AS7651 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
