Network · AS31367

AS31367 Zayo Infrastructure France SA

AS31367 (Zayo Infrastructure France SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS31367

  • OwnerZayo Infrastructure France SA
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,608
  • IPv4 ranges9
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 78.41.128.0/21
  • 185.254.208.0/23
  • 159.151.250.0/23
  • 91.216.11.0/24
  • 91.200.177.0/24
  • 85.208.192.0/24
  • 192.109.238.0/24
  • 185.254.210.0/24
  • 185.236.141.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS31367 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About AS31367

Is AS31367 a datacenter or VPN network?

AS31367 (Zayo Infrastructure France SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS31367?

AS31367 is registered to Zayo Infrastructure France SA. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS31367?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.