Network check
ASN
AS42157
- OwnerA1 Bulgaria EAD
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS42157
AS42157 A1 Bulgaria EAD
AS42157 (A1 Bulgaria EAD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS42157 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 AS42157
Is AS42157 a datacenter or VPN network?
AS42157 (A1 Bulgaria EAD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS42157?
AS42157 is registered to A1 Bulgaria EAD. It announces about 512 IPv4 addresses.
How do I detect traffic from AS42157?
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.