Network · AS11398

AS11398 CenturyLink Communications, LLC

AS11398 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS11398

  • OwnerCenturyLink Communications, LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses121,088
  • IPv4 ranges82
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 76.3.128.0/19
  • 76.0.192.0/19
  • 67.239.192.0/19
  • 76.2.128.0/20
  • 76.0.224.0/20
  • 71.50.80.0/20
  • 67.235.16.0/20
  • 65.162.112.0/20
  • 65.160.16.0/20
  • 63.164.32.0/20
  • 206.228.96.0/20
  • 206.159.176.0/20

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

Check an IP address →

Detect it in code

Spot AS11398 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 AS11398

Is AS11398 a datacenter or VPN network?

AS11398 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS11398?

AS11398 is registered to CenturyLink Communications, LLC. It announces about 121,088 IPv4 addresses.

How do I detect traffic from AS11398?

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.