Network · AS21646

AS21646 Fisher Investments Inc.

AS21646 (Fisher Investments Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21646

  • OwnerFisher Investments Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,328
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 8.47.20.0/24
  • 64.124.143.0/24
  • 63.159.249.0/24
  • 63.156.165.0/24
  • 63.151.180.0/24
  • 208.45.153.0/24
  • 207.214.127.0/24
  • 207.210.73.0/24
  • 207.210.70.0/24
  • 207.210.64.0/24
  • 204.199.211.0/24
  • 204.107.250.0/24

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

Check an IP address →

Detect it in code

Spot AS21646 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 AS21646

Is AS21646 a datacenter or VPN network?

AS21646 (Fisher Investments Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21646?

AS21646 is registered to Fisher Investments Inc.. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS21646?

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.