Network · AS35686

AS35686 Nicolaus Copernicus University in Torun

AS35686 (Nicolaus Copernicus University in Torun) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS35686

OwnerNicolaus Copernicus University in Toru
KindInternet service provider
Servers, not peopleno
IPv4 addresses33,280
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

158.75.128.0/17
192.135.254.0/24
192.124.116.0/24

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

Check an IP address →

Detect it in code

Spot AS35686 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 AS35686

Is AS35686 a datacenter or VPN network?

AS35686 (Nicolaus Copernicus University in Torun) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS35686?

AS35686 is registered to Nicolaus Copernicus University in Torun. It announces about 33,280 IPv4 addresses.

How do I detect traffic from AS35686?

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.