Network · AS131789

AS131789 Asahi Kasei International IT Asia Pacific Co., LTD

AS131789 (Asahi Kasei International IT Asia Pacific Co., LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS131789

  • OwnerAsahi Kasei International IT Asia Paci
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 138.252.146.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS131789 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 AS131789

Is AS131789 a datacenter or VPN network?

AS131789 (Asahi Kasei International IT Asia Pacific Co., LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS131789?

AS131789 is registered to Asahi Kasei International IT Asia Pacific Co., LTD. It announces about 256 IPv4 addresses.

How do I detect traffic from AS131789?

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.