Network · AS2522

AS2522 Japan Network Information Center

AS2522 (Japan Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS2522

OwnerJapan Network Information Center
KindInternet service provider
Servers, not peopleno
IPv4 addresses229,120
IPv4 ranges15
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

158.200.0.0/16
150.41.0.0/16
133.112.0.0/16
211.1.0.0/19
220.213.240.0/20
219.101.112.0/20
218.231.16.0/20
210.134.208.0/20
203.179.64.0/20
61.122.16.0/22
202.210.56.0/22
103.210.108.0/22

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

Check an IP address →

Detect it in code

Spot AS2522 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 AS2522

Is AS2522 a datacenter or VPN network?

AS2522 (Japan Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS2522?

AS2522 is registered to Japan Network Information Center. It announces about 229,120 IPv4 addresses.

How do I detect traffic from AS2522?

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.