Network · AS8991

AS8991 Hellenic Centre for Marine Research

AS8991 (Hellenic Centre for Marine Research) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8991

OwnerHellenic Centre for Marine Research
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

195.251.36.0/23
83.212.250.0/24
83.212.249.0/24
192.135.166.0/24

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

Check an IP address →

Detect it in code

Spot AS8991 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 AS8991

Is AS8991 a datacenter or VPN network?

AS8991 (Hellenic Centre for Marine Research) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8991?

AS8991 is registered to Hellenic Centre for Marine Research. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS8991?

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.