Network · AS4891

AS4891 Port of Houston Authority of Harris County, Texas

AS4891 (Port of Houston Authority of Harris County, Texas) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4891

  • OwnerPort of Houston Authority of Harris Co
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 206.130.4.0/24

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

Check an IP address →

Detect it in code

Spot AS4891 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 AS4891

Is AS4891 a datacenter or VPN network?

AS4891 (Port of Houston Authority of Harris County, Texas) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4891?

AS4891 is registered to Port of Houston Authority of Harris County, Texas. It announces about 256 IPv4 addresses.

How do I detect traffic from AS4891?

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.