Network · AS55902

AS55902 TS-NET of TOSET, Inc. in Japan

AS55902 (TS-NET of TOSET, Inc. in Japan) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55902

OwnerTS-NET of TOSET, Inc. in Japan
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

43.249.244.0/22
103.31.12.0/22
103.247.88.0/22

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

Check an IP address →

Detect it in code

Spot AS55902 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 AS55902

Is AS55902 a datacenter or VPN network?

AS55902 (TS-NET of TOSET, Inc. in Japan) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55902?

AS55902 is registered to TS-NET of TOSET, Inc. in Japan. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS55902?

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.