Network · AS17203

AS17203 Beresford Municipal Telephone Company

AS17203 (Beresford Municipal Telephone Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17203

OwnerBeresford Municipal Telephone Company
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,536
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

66.231.9.0/24
66.231.12.0/24
66.231.11.0/24
66.115.212.0/24
66.115.193.0/24
208.53.213.0/24

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

Check an IP address →

Detect it in code

Spot AS17203 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 AS17203

Is AS17203 a datacenter or VPN network?

AS17203 (Beresford Municipal Telephone Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17203?

AS17203 is registered to Beresford Municipal Telephone Company. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS17203?

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.