Network check
ASN
AS4138
- OwnerFAL Networks
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges3
Risk score0
Nothing suspicious found.
Network · AS4138
AS4138 FAL Networks
AS4138 (FAL Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS4138 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 AS4138
Is AS4138 a datacenter or VPN network?
AS4138 (FAL Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS4138?
AS4138 is registered to FAL Networks. It announces about 256 IPv4 addresses.
How do I detect traffic from AS4138?
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.