Network · AS43623

AS43623 Hessischer Rundfunk

AS43623 (Hessischer Rundfunk) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43623

  • OwnerHessischer Rundfunk
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,216
  • IPv4 ranges13
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 217.66.32.0/20
  • 185.17.244.0/22
  • 91.195.78.0/23
  • 194.59.34.0/23
  • 194.127.132.0/23
  • 193.22.46.0/23
  • 193.189.152.0/23
  • 194.55.39.0/24
  • 194.156.7.0/24
  • 194.113.143.0/24
  • 149.219.8.0/24
  • 149.219.250.0/24

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

Check an IP address →

Detect it in code

Spot AS43623 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 AS43623

Is AS43623 a datacenter or VPN network?

AS43623 (Hessischer Rundfunk) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43623?

AS43623 is registered to Hessischer Rundfunk. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS43623?

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.