Network check
ASN
AS139617
- OwnerISEAS Yusof Ishak Institute
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses256
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS139617
AS139617 ISEAS Yusof Ishak Institute
AS139617 (ISEAS Yusof Ishak Institute) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS139617 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 AS139617
Is AS139617 a datacenter or VPN network?
AS139617 (ISEAS Yusof Ishak Institute) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS139617?
AS139617 is registered to ISEAS Yusof Ishak Institute. It announces about 256 IPv4 addresses.
How do I detect traffic from AS139617?
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.