Network · AS15690

AS15690 NATIONAL OBSERVATORY OF ATHENS

AS15690 (NATIONAL OBSERVATORY OF ATHENS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15690

OwnerNATIONAL OBSERVATORY OF ATHENS
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

195.251.202.0/23
194.177.194.0/23
195.251.204.0/24

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

Check an IP address →

Detect it in code

Spot AS15690 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 AS15690

Is AS15690 a datacenter or VPN network?

AS15690 (NATIONAL OBSERVATORY OF ATHENS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15690?

AS15690 is registered to NATIONAL OBSERVATORY OF ATHENS. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS15690?

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.