Network · AS15831

AS15831 Communication Valley Reply S.r.l.

AS15831 (Communication Valley Reply S.r.l.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15831

  • OwnerCommunication Valley Reply S.r.l.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,024
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 91.218.224.0/22

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS15831 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 AS15831

Is AS15831 a datacenter or VPN network?

AS15831 (Communication Valley Reply S.r.l.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15831?

AS15831 is registered to Communication Valley Reply S.r.l.. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS15831?

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.