Network · AS27166

AS27166 Conterra

AS27166 (Conterra) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27166

OwnerConterra
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,656
IPv4 ranges7
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.114.248.0/21
38.114.224.0/21
38.114.244.0/22
38.114.242.0/23
38.114.232.0/23
38.114.236.0/24
38.114.235.0/24

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

Check an IP address →

Detect it in code

Spot AS27166 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 AS27166

Is AS27166 a datacenter or VPN network?

AS27166 (Conterra) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27166?

AS27166 is registered to Conterra. It announces about 6,656 IPv4 addresses.

How do I detect traffic from AS27166?

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.