Network · AS6128

AS6128 Cablevision Systems Corp.

AS6128 (Cablevision Systems Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS6128

OwnerCablevision Systems Corp.
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,865,280
IPv4 ranges215
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.112.0.0/12
68.192.0.0/13
67.80.0.0/13
24.184.0.0/13
47.20.0.0/14
24.44.0.0/14
96.56.0.0/15
74.88.0.0/15
47.16.0.0/15
173.2.0.0/15
148.74.0.0/15
75.99.0.0/16

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

Check an IP address →

Detect it in code

Spot AS6128 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 AS6128

Is AS6128 a datacenter or VPN network?

AS6128 (Cablevision Systems Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS6128?

AS6128 is registered to Cablevision Systems Corp.. It announces about 4,865,280 IPv4 addresses.

How do I detect traffic from AS6128?

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.