Network · AS1835

AS1835 Forskningsnettet - Danish network for Research and Education

AS1835 (Forskningsnettet - Danish network for Research and Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1835

  • OwnerForskningsnettet - Danish network for
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses164,352
  • IPv4 ranges5
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 130.226.0.0/16
  • 130.225.0.0/16
  • 192.38.0.0/17
  • 193.3.238.0/24
  • 193.163.46.0/24

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

Check an IP address →

Detect it in code

Spot AS1835 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 AS1835

Is AS1835 a datacenter or VPN network?

AS1835 (Forskningsnettet - Danish network for Research and Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1835?

AS1835 is registered to Forskningsnettet - Danish network for Research and Education. It announces about 164,352 IPv4 addresses.

How do I detect traffic from AS1835?

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.