Network · AS27720

AS27720 CITTA TELECOM LTDA

AS27720 (CITTA TELECOM LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27720

OwnerCITTA TELECOM LTDA
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,144
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

177.129.8.0/21
200.95.172.0/22
191.128.224.0/22
143.208.156.0/22
138.59.96.0/22

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

Check an IP address →

Detect it in code

Spot AS27720 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 AS27720

Is AS27720 a datacenter or VPN network?

AS27720 (CITTA TELECOM LTDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27720?

AS27720 is registered to CITTA TELECOM LTDA. It announces about 6,144 IPv4 addresses.

How do I detect traffic from AS27720?

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.