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
AS12727 — global IP footprint
Cities where AS12727 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 213.166.192.0/19 | 8.2K |
1.4%
|
Vialis SEM | FR | Grand Est | Colmar |
| 31.24.240.0/21 | 2.0K |
0.0%
|
Vialis SEM | FR | Grand Est | Eguisheim |
| 130.185.184.0/21 | 2.0K |
0.4%
|
Vialis SEM | FR | Grand Est | Colmar |
| 188.64.240.0/21 | 2.0K |
0.9%
|
Vialis SEM | FR | Grand Est | Colmar |
| 185.39.140.0/22 | 1.0K |
0.1%
|
Vialis SEM | FR | Grand Est | Colmar |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS12727 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 |
|---|---|---|
| 213.166.200.0/21 | 10,139 | 2026-07-25 22:30:40 |
| 185.39.140.0/22 | 8,415 | 2026-07-25 22:30:41 |
| 130.185.184.0/21 | 8,346 | 2026-07-25 22:30:41 |
| 188.64.240.0/21 | 8,144 | 2026-07-25 22:30:40 |
| 213.166.192.0/21 | 8,077 | 2026-07-25 22:30:40 |
| 213.166.192.0/19 | 7,524 | 2026-07-25 22:30:40 |
| 31.24.240.0/21 | 7,305 | 2026-07-25 22:30:40 |
| 213.166.216.0/21 | 5,731 | 2026-07-25 22:35:51 |
| 213.166.208.0/21 | 5,576 | 2026-07-25 22:35:51 |
Frequently Asked Questions
What is AS12727?
AS12727 is an Autonomous System Number assigned to Vialis 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 AS12727 announce?
AS12727 announces 15.4K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in France.
Who operates AS12727?
AS12727 is operated by Vialis SEM. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS12727 registered in?
AS12727 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
