Network check
ASN
AS45139
- OwnerMicrosoft Singapore Pte. Ltd.
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges2
Risk score0
Nothing suspicious found.
Network · AS45139
AS45139 Microsoft Singapore Pte. Ltd.
AS45139 (Microsoft Singapore Pte. Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS45139 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 AS45139
Is AS45139 a datacenter or VPN network?
AS45139 (Microsoft Singapore Pte. Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS45139?
AS45139 is registered to Microsoft Singapore Pte. Ltd.. It announces about 512 IPv4 addresses.
How do I detect traffic from AS45139?
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.