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
- Hosting allocation −6
- Trust score 59 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 8 internet exchanges: Poema IX, BGP.Exchange - Hong Kong, ZXIX Hong Kong, BGP.Exchange - Amsterdam, BGP.Exchange - Fremont, BGP.Exchange - Los Angeles, DataSphere Internet Exchange (Hong Kong), BGP.Exchange - Dusseldorf
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 44.31.43.0/24 | 256 |
1.6%
|
Qin Cloud Networks | US | — | — |
| 44.31.43.0/25 | 128 |
0.0%
|
Qin Cloud Networks | HK | — | — |
| 44.31.43.128/26 | 64 |
0.0%
|
Qin Cloud Networks | HK | — | — |
| 44.31.43.192/27 | 32 |
0.0%
|
Qin Cloud Networks | HK | — | — |
| 44.31.43.224/28 | 16 |
0.0%
|
Qin Cloud Networks | HK | — | — |
| 44.31.43.240/29 | 8 |
0.0%
|
Qin Cloud Networks | HK | — | — |
| 44.31.43.248/29 | 8 |
0.0%
|
Qin Cloud Networks | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS7721 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 |
|---|---|---|
| 44.31.43.0/24 | 10,524 | 2026-07-28 00:02:16 |
Frequently Asked Questions
What is AS7721?
AS7721 is an Autonomous System Number assigned to Qin Cloud Networks. 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 AS7721 announce?
AS7721 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in China.
Who operates AS7721?
AS7721 is operated by Qin Cloud Networks. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.
What country is AS7721 registered in?
AS7721 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
