Network · AS34837

AS34837 Institute for Research in Fundamental Sciences

AS34837 (Institute for Research in Fundamental Sciences) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS34837

  • OwnerInstitute for Research in Fundamental
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,120
  • IPv4 ranges16
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 212.16.90.0/23
  • 212.16.82.0/23
  • 212.16.64.0/23
  • 194.225.130.0/23
  • 79.127.65.0/24
  • 46.38.131.0/24
  • 46.38.129.0/24
  • 212.80.5.0/24
  • 212.80.30.0/24
  • 212.80.3.0/24
  • 212.80.16.0/24
  • 212.80.1.0/24

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

Check an IP address →

Detect it in code

Spot AS34837 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 AS34837

Is AS34837 a datacenter or VPN network?

AS34837 (Institute for Research in Fundamental Sciences) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS34837?

AS34837 is registered to Institute for Research in Fundamental Sciences. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS34837?

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.