Network · AS17958

AS17958 Kasaoka Cable Vision Co,LTD.

AS17958 (Kasaoka Cable Vision Co,LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17958

OwnerKasaoka Cable Vision Co,LTD.
KindInternet service provider
Servers, not peopleno
IPv4 addresses21,504
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

219.103.48.0/20
218.40.96.0/20
157.112.160.0/20
133.226.160.0/20
220.247.184.0/21
180.178.80.0/21
103.2.96.0/22

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

Check an IP address →

Detect it in code

Spot AS17958 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 AS17958

Is AS17958 a datacenter or VPN network?

AS17958 (Kasaoka Cable Vision Co,LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17958?

AS17958 is registered to Kasaoka Cable Vision Co,LTD.. It announces about 21,504 IPv4 addresses.

How do I detect traffic from AS17958?

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.