Network · AS19108

AS19108 Suddenlink Communications

AS19108 (Suddenlink Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19108

OwnerSuddenlink Communications
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,836,992
IPv4 ranges220
IPv6 ranges6

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

47.208.0.0/12
50.24.0.0/14
75.110.0.0/15
74.196.0.0/15
74.194.0.0/15
173.80.0.0/15
173.216.0.0/15
75.109.0.0/16
74.193.0.0/16
75.108.0.0/17
74.192.128.0/17
66.76.0.0/17

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

Check an IP address →

Detect it in code

Spot AS19108 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 AS19108

Is AS19108 a datacenter or VPN network?

AS19108 (Suddenlink Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19108?

AS19108 is registered to Suddenlink Communications. It announces about 2,836,992 IPv4 addresses.

How do I detect traffic from AS19108?

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.