Network check
ASN
AS23309
- OwnerContra Costa County Office of Educatio
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses65,536
- IPv4 ranges1
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS23309
AS23309 Contra Costa County Office of Education
AS23309 (Contra Costa County Office of Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS23309 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 AS23309
Is AS23309 a datacenter or VPN network?
AS23309 (Contra Costa County Office of Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS23309?
AS23309 is registered to Contra Costa County Office of Education. It announces about 65,536 IPv4 addresses.
How do I detect traffic from AS23309?
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.