Network check
ASN
AS3557
- OwnerInternet Systems Consortium, Inc.
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS3557
AS3557 Internet Systems Consortium, Inc.
AS3557 (Internet Systems Consortium, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS3557 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 AS3557
Is AS3557 a datacenter or VPN network?
AS3557 (Internet Systems Consortium, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS3557?
AS3557 is registered to Internet Systems Consortium, Inc.. It announces about 512 IPv4 addresses.
How do I detect traffic from AS3557?
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.