Network · AS17944

AS17944 Japan Weather Association

AS17944 (Japan Weather Association) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17944

OwnerJapan Weather Association
KindInternet service provider
Servers, not peopleno
IPv4 addresses65,792
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

133.105.0.0/16
192.51.39.0/24

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

Check an IP address →

Detect it in code

Spot AS17944 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 AS17944

Is AS17944 a datacenter or VPN network?

AS17944 (Japan Weather Association) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17944?

AS17944 is registered to Japan Weather Association. It announces about 65,792 IPv4 addresses.

How do I detect traffic from AS17944?

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.