Network · AS398156

AS398156 ACE Fiber

AS398156 (ACE Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS398156

  • OwnerACE Fiber
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses24,576
  • IPv4 ranges3
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 198.48.96.0/19
  • 168.220.192.0/19
  • 158.120.192.0/19

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

Check an IP address →

Detect it in code

Spot AS398156 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 AS398156

Is AS398156 a datacenter or VPN network?

AS398156 (ACE Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS398156?

AS398156 is registered to ACE Fiber. It announces about 24,576 IPv4 addresses.

How do I detect traffic from AS398156?

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.