Network · AS22561

AS22561 CenturyLink Communications, LLC

AS22561 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS22561

  • OwnerCenturyLink Communications, LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,216,120
  • IPv4 ranges327
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 75.120.0.0/15
  • 207.119.0.0/16
  • 98.125.0.0/17
  • 69.179.0.0/17
  • 184.159.128.0/17
  • 184.158.0.0/17
  • 184.157.0.0/17
  • 184.156.128.0/17
  • 173.202.0.0/17
  • 99.195.128.0/18
  • 99.195.0.0/18
  • 99.194.64.0/18

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

Check an IP address →

Detect it in code

Spot AS22561 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 AS22561

Is AS22561 a datacenter or VPN network?

AS22561 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS22561?

AS22561 is registered to CenturyLink Communications, LLC. It announces about 1,216,120 IPv4 addresses.

How do I detect traffic from AS22561?

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.