Network · AS19901

AS19901 Brightspeed

AS19901 (Brightspeed) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19901

OwnerBrightspeed
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,048,960
IPv4 ranges533
IPv6 ranges33

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

9.244.0.0/15
9.138.0.0/15
97.114.0.0/16
75.173.0.0/16
75.170.0.0/16
75.165.0.0/16
71.221.0.0/16
71.219.0.0/16
71.217.0.0/16
71.213.0.0/16
71.210.0.0/16
67.6.0.0/16

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

Check an IP address →

Detect it in code

Spot AS19901 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 AS19901

Is AS19901 a datacenter or VPN network?

AS19901 (Brightspeed) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19901?

AS19901 is registered to Brightspeed. It announces about 3,048,960 IPv4 addresses.

How do I detect traffic from AS19901?

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.