AS4
- OwnerUniversity of Southern California
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses66,304
- IPv4 ranges15
- IPv6 ranges3
Nothing suspicious found.
Network · AS4
AS4 (University of Southern California) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS4
Nothing suspicious found.
128.9.128.0/17128.9.64.0/18128.9.32.0/19128.9.0.0/20128.9.28.0/22128.9.16.0/22170.79.218.0/23165.140.12.0/23206.117.6.0/24206.117.37.0/24206.117.31.0/24206.117.27.0/24Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.
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);AS4 (University of Southern California) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS4 is registered to University of Southern California. It announces about 66,304 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.