Network · AS9371

AS9371 SAKURA Internet Inc.

AS9371 (SAKURA Internet Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9371

  • OwnerSAKURA Internet Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses297,216
  • IPv4 ranges95
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 160.27.0.0/16
  • 133.167.128.0/17
  • 49.212.0.0/18
  • 219.94.128.0/18
  • 133.167.64.0/18
  • 49.212.128.0/19
  • 219.94.192.0/19
  • 219.109.160.0/19
  • 182.163.0.0/19
  • 133.167.32.0/19
  • 49.212.96.0/20
  • 49.212.80.0/20

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

Check an IP address →

Detect it in code

Spot AS9371 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 AS9371

Is AS9371 a datacenter or VPN network?

AS9371 (SAKURA Internet Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9371?

AS9371 is registered to SAKURA Internet Inc.. It announces about 297,216 IPv4 addresses.

How do I detect traffic from AS9371?

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.