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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 19 internet exchanges: ZXIX Hong Kong, BGP.Exchange - Tokyo, Zero Internet eXchange San Jose, 4b42 Internet Exchange Point: Switzerland, AKIX, EVIX: Peering LAN, BGP.Exchange - Zurich, STUIX, CXIX - Yangtze Delta, CXIX - Great Lakes, …
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 199.19.22.0/24 | 256 |
0.0%
|
Rui Feng | CA | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS211575 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 |
|---|---|---|
| 188.220.65.0/24 | 31,960 | 2026-09-24 09:17:10 |
| 199.19.22.0/24 | 1,733 | 2026-10-11 16:25:59 |
Frequently Asked Questions
What is AS211575?
AS211575 is an Autonomous System Number assigned to Rui Feng. 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 AS211575 announce?
AS211575 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in China.
Who operates AS211575?
AS211575 is operated by Rui Feng. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.
What country is AS211575 registered in?
AS211575 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
