Network · AS6685

AS6685 British Telecommunications PLC

AS6685 (British Telecommunications PLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS6685

  • OwnerBritish Telecommunications PLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,096
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 66.6.64.0/20

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

Check an IP address →

Detect it in code

Spot AS6685 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 AS6685

Is AS6685 a datacenter or VPN network?

AS6685 (British Telecommunications PLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS6685?

AS6685 is registered to British Telecommunications PLC. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS6685?

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.