Network · AS3456

AS3456 Charter Communications Inc

AS3456 (Charter Communications Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3456

  • OwnerCharter Communications Inc
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses142,336
  • IPv4 ranges7
  • IPv6 ranges8
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 165.237.0.0/16
  • 142.136.0.0/16
  • 67.48.224.0/19
  • 204.235.112.0/21
  • 204.235.120.0/23
  • 204.29.131.0/24
  • 192.219.231.0/24

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

Check an IP address →

Detect it in code

Spot AS3456 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 AS3456

Is AS3456 a datacenter or VPN network?

AS3456 (Charter Communications Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3456?

AS3456 is registered to Charter Communications Inc. It announces about 142,336 IPv4 addresses.

How do I detect traffic from AS3456?

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.