Network · AS5601

AS5601 Kungliga Tekniska Hogskolan

AS5601 (Kungliga Tekniska Hogskolan) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5601

OwnerKungliga Tekniska Hogskolan
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,536
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

194.132.192.0/22
192.36.253.0/24
192.36.236.0/24

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

Check an IP address →

Detect it in code

Spot AS5601 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 AS5601

Is AS5601 a datacenter or VPN network?

AS5601 (Kungliga Tekniska Hogskolan) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5601?

AS5601 is registered to Kungliga Tekniska Hogskolan. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS5601?

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.