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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.250.216.0/22 | 1.0K |
4.7%
|
Dassault Aviation SA | FR | Île-de-France | Saint-Mammès |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS209397 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 |
|---|---|---|
| 185.250.216.0/23 | 7,254 | 2026-08-04 20:25:11 |
| 185.250.218.0/23 | 4,266 | 2026-08-04 20:25:08 |
Frequently Asked Questions
What is AS209397?
AS209397 is an Autonomous System Number assigned to Dassault Aviation SA. 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 AS209397 announce?
AS209397 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in France.
Who operates AS209397?
AS209397 is operated by Dassault Aviation SA. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS209397 registered in?
AS209397 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
