Network · AS12033

AS12033 Adams TelSystems, Inc.

AS12033 (Adams TelSystems, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12033

OwnerAdams TelSystems, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses40,960
IPv4 ranges6
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

66.226.96.0/19
216.138.0.0/19
206.71.192.0/19
159.48.96.0/19
75.98.176.0/20
216.138.32.0/20

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

Check an IP address →

Detect it in code

Spot AS12033 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 AS12033

Is AS12033 a datacenter or VPN network?

AS12033 (Adams TelSystems, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12033?

AS12033 is registered to Adams TelSystems, Inc.. It announces about 40,960 IPv4 addresses.

How do I detect traffic from AS12033?

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.