Network · AS26421

AS26421 Ponderosa Cablevision

AS26421 (Ponderosa Cablevision) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS26421

  • OwnerPonderosa Cablevision
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses8,960
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 23.29.0.0/20
  • 74.202.200.0/23
  • 50.58.142.0/23
  • 209.234.216.0/23
  • 209.234.208.0/23
  • 209.234.206.0/23
  • 209.150.76.0/23
  • 206.169.218.0/23
  • 64.129.228.0/24
  • 209.234.222.0/24
  • 209.234.196.0/24
  • 207.114.159.0/24

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

Check an IP address →

Detect it in code

Spot AS26421 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 AS26421

Is AS26421 a datacenter or VPN network?

AS26421 (Ponderosa Cablevision) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS26421?

AS26421 is registered to Ponderosa Cablevision. It announces about 8,960 IPv4 addresses.

How do I detect traffic from AS26421?

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.