Network · AS19637

AS19637 Avago Technologies U.S. Inc.

AS19637 (Avago Technologies U.S. Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19637

  • OwnerAvago Technologies U.S. Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses24,832
  • IPv4 ranges61
  • IPv6 ranges9
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 192.19.176.0/21
  • 192.19.136.0/21
  • 192.19.220.0/22
  • 192.19.168.0/22
  • 192.19.164.0/22
  • 192.19.252.0/23
  • 192.19.250.0/23
  • 192.19.236.0/23
  • 192.19.228.0/23
  • 192.19.224.0/23
  • 192.19.216.0/23
  • 192.19.210.0/23

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

Check an IP address →

Detect it in code

Spot AS19637 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 AS19637

Is AS19637 a datacenter or VPN network?

AS19637 (Avago Technologies U.S. Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19637?

AS19637 is registered to Avago Technologies U.S. Inc.. It announces about 24,832 IPv4 addresses.

How do I detect traffic from AS19637?

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.