Network · AS30983

AS30983 CNRST (Centre National pour la Recherche Scientifique et Technique)

AS30983 (CNRST (Centre National pour la Recherche Scientifique et Technique)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS30983

OwnerCNRST (Centre National pour la Recherc
KindInternet service provider
Servers, not peopleno
IPv4 addresses17,664
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

196.200.128.0/18
105.73.96.0/22
196.12.203.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS30983 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 AS30983

Is AS30983 a datacenter or VPN network?

AS30983 (CNRST (Centre National pour la Recherche Scientifique et Technique)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS30983?

AS30983 is registered to CNRST (Centre National pour la Recherche Scientifique et Technique). It announces about 17,664 IPv4 addresses.

How do I detect traffic from AS30983?

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.