Network · AS33604

AS33604 Burlington Telecom

AS33604 (Burlington Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33604

OwnerBurlington Telecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses16,128
IPv4 ranges9
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.5.112.0/20
65.183.144.0/20
65.183.136.0/21
204.13.40.0/21
65.183.128.0/22
38.69.196.0/22
162.247.88.0/22
65.183.134.0/23
65.183.133.0/24

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

Check an IP address →

Detect it in code

Spot AS33604 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 AS33604

Is AS33604 a datacenter or VPN network?

AS33604 (Burlington Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33604?

AS33604 is registered to Burlington Telecom. It announces about 16,128 IPv4 addresses.

How do I detect traffic from AS33604?

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.