Network check
ASN
AS134351
- OwnerLeaseweb Japan K.K.
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses21,248
- IPv4 ranges48
- IPv6 ranges2
Risk score0
Nothing suspicious found.
Network · AS134351
AS134351 (Leaseweb Japan K.K.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS134351
Nothing suspicious found.
23.81.40.0/2123.106.224.0/21142.91.104.0/2123.26.44.0/22195.40.120.0/22173.234.64.0/22195.40.70.0/23195.40.160.0/23188.116.6.0/23108.165.82.0/23108.165.180.0/2364.79.242.0/24Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.
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);AS134351 (Leaseweb Japan K.K.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS134351 is registered to Leaseweb Japan K.K.. It announces about 21,248 IPv4 addresses.
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.