Network · AS37303

AS37303 Airtel Madagascar

AS37303 (Airtel Madagascar) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37303

  • OwnerAirtel Madagascar
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses18,176
  • IPv4 ranges7
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 197.148.160.0/19
  • 197.148.144.0/20
  • 41.77.16.0/21
  • 197.148.128.0/21
  • 197.148.136.0/22
  • 197.148.142.0/23
  • 197.148.141.0/24

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

Check an IP address →

Detect it in code

Spot AS37303 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 AS37303

Is AS37303 a datacenter or VPN network?

AS37303 (Airtel Madagascar) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37303?

AS37303 is registered to Airtel Madagascar. It announces about 18,176 IPv4 addresses.

How do I detect traffic from AS37303?

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.