Network · AS43646

AS43646 TDF SASU

AS43646 (TDF SASU) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43646

OwnerTDF SASU
KindInternet service provider
Servers, not peopleno
IPv4 addresses31,488
IPv4 ranges12
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

95.81.128.0/19
213.205.96.0/19
95.81.176.0/20
95.81.160.0/21
94.247.232.0/21
217.71.208.0/21
95.81.168.0/22
91.197.164.0/22
185.241.96.0/22
185.215.136.0/22
95.81.172.0/23
95.81.175.0/24

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

Check an IP address →

Detect it in code

Spot AS43646 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 AS43646

Is AS43646 a datacenter or VPN network?

AS43646 (TDF SASU) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43646?

AS43646 is registered to TDF SASU. It announces about 31,488 IPv4 addresses.

How do I detect traffic from AS43646?

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.