Network · AS9597

AS9597 KDDI Web Communications Inc.

AS9597 (KDDI Web Communications Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9597

  • OwnerKDDI Web Communications Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses276,736
  • IPv4 ranges20
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 194.91.0.0/16
  • 150.60.0.0/16
  • 158.199.128.0/17
  • 122.200.192.0/18
  • 118.82.64.0/18
  • 115.146.0.0/18
  • 27.34.128.0/19
  • 211.9.192.0/19
  • 202.164.224.0/19
  • 180.235.224.0/19
  • 110.50.192.0/19
  • 202.74.16.0/20

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

Check an IP address →

Detect it in code

Spot AS9597 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 AS9597

Is AS9597 a datacenter or VPN network?

AS9597 (KDDI Web Communications Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9597?

AS9597 is registered to KDDI Web Communications Inc.. It announces about 276,736 IPv4 addresses.

How do I detect traffic from AS9597?

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.