Network · AS33189

AS33189 South Dakota Board of Regents

AS33189 (South Dakota Board of Regents) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33189

OwnerSouth Dakota Board of Regents
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

151.159.220.0/22
206.176.14.0/23
206.71.32.0/24
206.176.18.0/24

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

Check an IP address →

Detect it in code

Spot AS33189 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 AS33189

Is AS33189 a datacenter or VPN network?

AS33189 (South Dakota Board of Regents) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33189?

AS33189 is registered to South Dakota Board of Regents. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS33189?

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.