Network · AS9216

AS9216 Symphox Information Co., LTd.

AS9216 (Symphox Information Co., LTd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9216

  • OwnerSymphox Information Co., LTd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses19,456
  • IPv4 ranges17
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.135.80.0/20
  • 211.76.128.0/21
  • 203.135.72.0/21
  • 202.154.216.0/21
  • 202.154.192.0/21
  • 211.76.140.0/22
  • 203.135.64.0/22
  • 202.154.212.0/22
  • 202.154.204.0/22
  • 211.76.138.0/23
  • 203.135.68.0/23
  • 202.154.210.0/23

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

Check an IP address →

Detect it in code

Spot AS9216 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 AS9216

Is AS9216 a datacenter or VPN network?

AS9216 (Symphox Information Co., LTd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9216?

AS9216 is registered to Symphox Information Co., LTd.. It announces about 19,456 IPv4 addresses.

How do I detect traffic from AS9216?

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.