Network check
ASN
AS26231
- OwnerSan Francisco International Airport
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses4,096
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS26231
AS26231 San Francisco International Airport
AS26231 (San Francisco International Airport) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS26231 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 AS26231
Is AS26231 a datacenter or VPN network?
AS26231 (San Francisco International Airport) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS26231?
AS26231 is registered to San Francisco International Airport. It announces about 4,096 IPv4 addresses.
How do I detect traffic from AS26231?
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.