Network · AS206757

AS206757 FIBROPTIC CAT TELECOM SL

AS206757 (FIBROPTIC CAT TELECOM SL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS206757

  • OwnerFIBROPTIC CAT TELECOM SL
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,120
  • IPv4 ranges10
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 45.147.16.0/22
  • 201.148.168.0/22
  • 185.218.236.0/22
  • 116.204.252.0/23
  • 83.175.230.0/24
  • 5.252.1.0/24
  • 203.78.160.0/24
  • 195.10.218.0/24
  • 193.16.156.0/24
  • 193.16.151.0/24

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

Check an IP address →

Detect it in code

Spot AS206757 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 AS206757

Is AS206757 a datacenter or VPN network?

AS206757 (FIBROPTIC CAT TELECOM SL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS206757?

AS206757 is registered to FIBROPTIC CAT TELECOM SL. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS206757?

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.