Network check
ASN
AS139193
- OwnerMainstream Group Holdings Ltd
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS139193
AS139193 Mainstream Group Holdings Ltd
AS139193 (Mainstream Group Holdings Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS139193 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 AS139193
Is AS139193 a datacenter or VPN network?
AS139193 (Mainstream Group Holdings Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS139193?
AS139193 is registered to Mainstream Group Holdings Ltd. It announces about 256 IPv4 addresses.
How do I detect traffic from AS139193?
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.