Network · AS7671

AS7671 NTT SmartConnect Corporation

AS7671 (NTT SmartConnect Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS7671

  • OwnerNTT SmartConnect Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses453,888
  • IPv4 ranges40
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 157.4.0.0/16
  • 157.3.0.0/16
  • 124.245.0.0/16
  • 222.231.128.0/17
  • 58.147.192.0/18
  • 210.89.192.0/18
  • 210.247.64.0/18
  • 203.211.192.0/18
  • 125.252.128.0/18
  • 124.241.192.0/18
  • 219.96.64.0/19
  • 211.1.224.0/19

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

Check an IP address →

Detect it in code

Spot AS7671 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 AS7671

Is AS7671 a datacenter or VPN network?

AS7671 (NTT SmartConnect Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS7671?

AS7671 is registered to NTT SmartConnect Corporation. It announces about 453,888 IPv4 addresses.

How do I detect traffic from AS7671?

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.