Network · AS37451

AS37451 CONGO TELECOM

AS37451 (CONGO TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37451

  • OwnerCONGO TELECOM
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,216
  • IPv4 ranges14
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 102.129.72.0/21
  • 197.157.252.0/22
  • 154.53.208.0/22
  • 102.129.88.0/22
  • 102.129.68.0/22
  • 102.129.92.0/23
  • 102.129.84.0/23
  • 102.129.64.0/23
  • 102.213.232.0/24
  • 102.129.94.0/24
  • 102.129.86.0/24
  • 102.129.82.0/24

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

Check an IP address →

Detect it in code

Spot AS37451 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 AS37451

Is AS37451 a datacenter or VPN network?

AS37451 (CONGO TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37451?

AS37451 is registered to CONGO TELECOM. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS37451?

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.