Network · AS208903

AS208903 Federal State Budgetary Institution Budker Institute of Nuclear Physics of Sibe

AS208903 (Federal State Budgetary Institution Budker Institute of Nuclear Physics of Sibe) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS208903

  • OwnerFederal State Budgetary Institution Bu
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses768
  • IPv4 ranges2
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 84.237.42.0/23
  • 144.206.221.0/24

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

Check an IP address →

Detect it in code

Spot AS208903 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 AS208903

Is AS208903 a datacenter or VPN network?

AS208903 (Federal State Budgetary Institution Budker Institute of Nuclear Physics of Sibe) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS208903?

AS208903 is registered to Federal State Budgetary Institution Budker Institute of Nuclear Physics of Sibe. It announces about 768 IPv4 addresses.

How do I detect traffic from AS208903?

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.