Network · AS15817

AS15817 Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG"

AS15817 (Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15817

  • OwnerRobert Meyer trading as "Mittwald CM S
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses34,816
  • IPv4 ranges25
  • IPv6 ranges19
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 157.97.32.0/20
  • 153.92.192.0/20
  • 46.30.56.0/21
  • 37.202.0.0/21
  • 31.220.120.0/21
  • 188.94.248.0/21
  • 178.16.56.0/21
  • 176.52.240.0/21
  • 156.67.232.0/21
  • 45.144.184.0/22
  • 185.243.132.0/22
  • 185.237.64.0/22

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

Check an IP address →

Detect it in code

Spot AS15817 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 AS15817

Is AS15817 a datacenter or VPN network?

AS15817 (Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15817?

AS15817 is registered to Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG". It announces about 34,816 IPv4 addresses.

How do I detect traffic from AS15817?

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.