Network · AS33391

AS33391 SECURITY FINANCE CORPORATION OF SPARTANBURG

AS33391 (SECURITY FINANCE CORPORATION OF SPARTANBURG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33391

OwnerSECURITY FINANCE CORPORATION OF SPARTA
KindInternet service provider
Servers, not peopleno
IPv4 addresses768
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.113.16.0/23
74.113.18.0/24

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

Check an IP address →

Detect it in code

Spot AS33391 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 AS33391

Is AS33391 a datacenter or VPN network?

AS33391 (SECURITY FINANCE CORPORATION OF SPARTANBURG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33391?

AS33391 is registered to SECURITY FINANCE CORPORATION OF SPARTANBURG. It announces about 768 IPv4 addresses.

How do I detect traffic from AS33391?

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.