Network · AS2843

AS2843 Linkopings universitet

AS2843 (Linkopings universitet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS2843

  • OwnerLinkopings universitet
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses61,952
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 130.236.128.0/18
  • 130.236.0.0/18
  • 130.236.64.0/19
  • 130.236.192.0/19
  • 130.236.112.0/20
  • 130.236.240.0/21
  • 130.236.232.0/21
  • 130.236.104.0/21
  • 130.236.248.0/22
  • 130.236.96.0/23
  • 130.236.252.0/23
  • 130.236.255.0/24

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

Check an IP address →

Detect it in code

Spot AS2843 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 AS2843

Is AS2843 a datacenter or VPN network?

AS2843 (Linkopings universitet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS2843?

AS2843 is registered to Linkopings universitet. It announces about 61,952 IPv4 addresses.

How do I detect traffic from AS2843?

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.