Network · AS39100

AS39100 Stadtverwaltung Pforzheim

AS39100 (Stadtverwaltung Pforzheim) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS39100

  • OwnerStadtverwaltung Pforzheim
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 195.60.186.0/23

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

Check an IP address →

Detect it in code

Spot AS39100 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 AS39100

Is AS39100 a datacenter or VPN network?

AS39100 (Stadtverwaltung Pforzheim) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS39100?

AS39100 is registered to Stadtverwaltung Pforzheim. It announces about 512 IPv4 addresses.

How do I detect traffic from AS39100?

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.