Network · AS27400

AS27400 Clearfly Communications

AS27400 (Clearfly Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27400

OwnerClearfly Communications
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,168
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.116.160.0/21
208.88.112.0/21
199.36.232.0/21
208.85.60.0/22

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS27400 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 AS27400

Is AS27400 a datacenter or VPN network?

AS27400 (Clearfly Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27400?

AS27400 is registered to Clearfly Communications. It announces about 7,168 IPv4 addresses.

How do I detect traffic from AS27400?

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.