AS12437
- OwnerDTS Systeme Muenster GmbH
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses8,960
- IPv4 ranges8
- IPv6 ranges1
Nothing suspicious found.
Network · AS12437
AS12437 (DTS Systeme Muenster GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS12437
Nothing suspicious found.
212.101.208.0/20212.101.192.0/21212.101.204.0/2281.89.224.0/23212.101.202.0/2384.201.96.0/24212.62.79.0/24212.101.200.0/24Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.
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);AS12437 (DTS Systeme Muenster GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS12437 is registered to DTS Systeme Muenster GmbH. It announces about 8,960 IPv4 addresses.
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.