Network · AS3801

AS3801 Mikrotec Internet Services

AS3801 (Mikrotec Internet Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3801

OwnerMikrotec Internet Services
KindInternet service provider
Servers, not peopleno
IPv4 addresses39,936
IPv4 ranges39
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

149.248.128.0/19
76.8.160.0/20
74.214.176.0/20
143.55.16.0/20
104.156.112.0/20
76.8.180.0/22
69.176.8.0/22
69.176.32.0/22
69.176.24.0/22
69.176.20.0/22
69.176.0.0/22
76.8.188.0/23

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

Check an IP address →

Detect it in code

Spot AS3801 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 AS3801

Is AS3801 a datacenter or VPN network?

AS3801 (Mikrotec Internet Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3801?

AS3801 is registered to Mikrotec Internet Services. It announces about 39,936 IPv4 addresses.

How do I detect traffic from AS3801?

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.