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 →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 217.13.48.0/20 | 4.1K |
12.2%
|
nLighten France SAS | FR | Provence-Alpes-Côte d'Azur | Allauch |
| 185.43.36.0/22 | 1.0K |
0.0%
|
nLighten France SAS | FR | — | — |
| 185.43.36.0/23 | 512 |
1.0%
|
nLighten France SAS | FR | — | — |
| 5.252.57.0/24 | 256 |
1.6%
|
nLighten France SAS | FR | — | — |
| 144.56.28.0/24 | 256 |
0.0%
|
nLighten France SAS | FR | — | — |
| 163.5.22.0/24 | 256 |
0.0%
|
nLighten France SAS | FR | — | — |
| 163.5.246.0/24 | 256 |
0.0%
|
nLighten France SAS | FR | — | — |
| 185.43.39.0/24 | 256 |
1.2%
|
nLighten France SAS | FR | — | — |
| 193.135.126.0/24 | 256 |
0.0%
|
nLighten France SAS | FR | — | — |
| 193.218.120.0/24 | 256 |
0.0%
|
nLighten France SAS | FR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS31221 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 |
|---|---|---|
| 193.135.126.0/24 | 15,693 | 2026-07-31 02:46:18 |
| 185.43.36.0/22 | 13,931 | 2026-07-31 02:52:32 |
| 193.218.120.0/24 | 13,928 | 2026-07-31 02:54:55 |
| 217.13.63.0/24 | 13,726 | 2026-07-31 02:54:55 |
| 217.13.48.0/20 | 13,678 | 2026-07-31 02:54:55 |
| 217.13.48.0/24 | 7,567 | 2026-07-31 02:54:55 |
| 5.252.57.0/24 | 5,403 | 2026-07-31 02:47:58 |
| 144.56.28.0/24 | 4,885 | 2026-07-31 02:49:45 |
| 163.5.22.0/24 | 4,864 | 2026-07-31 02:49:45 |
| 163.5.246.0/24 | 1,983 | 2026-07-13 06:46:20 |
Frequently Asked Questions
What is AS31221?
AS31221 is an Autonomous System Number assigned to nLighten France SAS. 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 AS31221 announce?
AS31221 announces 6.4K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in France.
Who operates AS31221?
AS31221 is operated by nLighten France SAS. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS31221 registered in?
AS31221 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
