Network · AS5690

AS5690 Vianet Inc.

AS5690 (Vianet Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5690

  • OwnerVianet Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses109,312
  • IPv4 ranges23
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 209.91.128.0/18
  • 142.51.192.0/18
  • 69.60.224.0/19
  • 66.225.160.0/19
  • 66.186.64.0/19
  • 66.185.192.0/19
  • 24.138.96.0/19
  • 74.51.48.0/20
  • 69.171.96.0/20
  • 68.235.176.0/20
  • 66.159.112.0/20
  • 192.249.96.0/20

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS5690 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 AS5690

Is AS5690 a datacenter or VPN network?

AS5690 (Vianet Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5690?

AS5690 is registered to Vianet Inc.. It announces about 109,312 IPv4 addresses.

How do I detect traffic from AS5690?

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.