AS39271
C'Chartres Innovations Numeriques SEM
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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: France-IX Paris
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 46.19.128.0/21 | 2.0K |
96.7%
|
C'Chartres Innovations Numeriques SEM | FR | Centre-Val de Loire | Lucé |
| 87.238.144.0/21 | 2.0K |
92.2%
|
C'Chartres Innovations Numeriques SEM | FR | Centre-Val de Loire | Chartres |
| 185.186.72.0/22 | 1.0K |
98.4%
|
C'Chartres Innovations Numeriques SEM | FR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39271 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 |
|---|---|---|
| 46.19.135.0/24 | 18,875 | 2026-07-30 21:12:37 |
| 46.19.132.0/24 | 17,536 | 2026-07-30 21:12:37 |
| 46.19.133.0/24 | 17,535 | 2026-07-30 21:12:37 |
| 87.238.149.0/24 | 17,518 | 2026-07-30 21:12:37 |
| 185.186.73.0/24 | 17,276 | 2026-07-30 21:12:54 |
| 185.186.74.0/24 | 17,258 | 2026-07-30 21:12:54 |
| 185.186.75.0/24 | 17,104 | 2026-07-30 21:12:54 |
| 87.238.144.0/21 | 13,325 | 2026-07-30 21:12:37 |
| 46.19.128.0/21 | 13,276 | 2026-07-30 21:12:37 |
| 87.238.151.0/24 | 13,274 | 2026-07-30 21:12:37 |
| 185.186.72.0/22 | 13,243 | 2026-07-30 21:12:54 |
Frequently Asked Questions
What is AS39271?
AS39271 is an Autonomous System Number assigned to C'Chartres Innovations Numeriques SEM. 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 AS39271 announce?
AS39271 announces 5.1K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in France.
Who operates AS39271?
AS39271 is operated by C'Chartres Innovations Numeriques SEM. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS39271 registered in?
AS39271 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
