Network check
ASN
AS39848
- OwnerCityLan LLC
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses1,024
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS39848
AS39848 CityLan LLC
AS39848 (CityLan LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS39848 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 AS39848
Is AS39848 a datacenter or VPN network?
AS39848 (CityLan LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS39848?
AS39848 is registered to CityLan LLC. It announces about 1,024 IPv4 addresses.
How do I detect traffic from AS39848?
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.