Network check
ASN
AS4241
- OwnerCalifornia State Franchise Tax Board
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses65,536
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS4241
AS4241 California State Franchise Tax Board
AS4241 (California State Franchise Tax Board) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS4241 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 AS4241
Is AS4241 a datacenter or VPN network?
AS4241 (California State Franchise Tax Board) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS4241?
AS4241 is registered to California State Franchise Tax Board. It announces about 65,536 IPv4 addresses.
How do I detect traffic from AS4241?
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.