Network · AS131918

AS131918 SHONAN CABLE NETWORK

AS131918 (SHONAN CABLE NETWORK) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS131918

  • OwnerSHONAN CABLE NETWORK
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses61,440
  • IPv4 ranges12
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 163.131.192.0/18
  • 133.247.0.0/18
  • 220.215.80.0/20
  • 220.215.48.0/20
  • 133.32.80.0/20
  • 110.74.96.0/20
  • 110.74.80.0/20
  • 202.247.176.0/21
  • 133.32.72.0/21
  • 133.247.64.0/21
  • 219.100.236.0/22
  • 103.93.60.0/22

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

Check an IP address →

Detect it in code

Spot AS131918 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 AS131918

Is AS131918 a datacenter or VPN network?

AS131918 (SHONAN CABLE NETWORK) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS131918?

AS131918 is registered to SHONAN CABLE NETWORK. It announces about 61,440 IPv4 addresses.

How do I detect traffic from AS131918?

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.