Network check
ASN
AS48259
- OwnerMarcin Zalewski trading as MK2
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS48259
AS48259 Marcin Zalewski trading as MK2
AS48259 (Marcin Zalewski trading as MK2) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS48259 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 AS48259
Is AS48259 a datacenter or VPN network?
AS48259 (Marcin Zalewski trading as MK2) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS48259?
AS48259 is registered to Marcin Zalewski trading as MK2. It announces about 256 IPv4 addresses.
How do I detect traffic from AS48259?
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.