AS39961
- OwnerSan Francisco Department of Telecommun
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses58,368
- IPv4 ranges6
- IPv6 ranges0
Nothing suspicious found.
Network · AS39961
AS39961 (San Francisco Department of Telecommunications and Information Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS39961
Nothing suspicious found.
208.121.128.0/17208.121.64.0/18208.121.32.0/19208.121.0.0/23208.121.6.0/24208.121.5.0/24Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.
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);AS39961 (San Francisco Department of Telecommunications and Information Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS39961 is registered to San Francisco Department of Telecommunications and Information Services. It announces about 58,368 IPv4 addresses.
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.