Network · AS2379

AS2379 CenturyLink Communications, LLC

AS2379 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS2379

  • OwnerCenturyLink Communications, LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses545,536
  • IPv4 ranges456
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 209.40.0.0/18
  • 209.26.64.0/18
  • 138.210.192.0/18
  • 138.210.0.0/18
  • 76.3.0.0/19
  • 74.4.192.0/19
  • 71.55.192.0/19
  • 71.53.224.0/19
  • 71.49.96.0/19
  • 71.49.0.0/19
  • 67.233.192.0/19
  • 209.26.192.0/19

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

Check an IP address →

Detect it in code

Spot AS2379 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 AS2379

Is AS2379 a datacenter or VPN network?

AS2379 (CenturyLink Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS2379?

AS2379 is registered to CenturyLink Communications, LLC. It announces about 545,536 IPv4 addresses.

How do I detect traffic from AS2379?

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.