Network check
ASN
AS16303
- OwnerIPSwitch Networks Ltd
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS16303
AS16303 IPSwitch Networks Ltd
AS16303 (IPSwitch Networks Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS16303 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 AS16303
Is AS16303 a datacenter or VPN network?
AS16303 (IPSwitch Networks Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS16303?
AS16303 is registered to IPSwitch Networks Ltd. It announces about 256 IPv4 addresses.
How do I detect traffic from AS16303?
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.