Network · AS37661

AS37661 Nigerian Research and Education Network Limited by Guarantee

AS37661 (Nigerian Research and Education Network Limited by Guarantee) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37661

  • OwnerNigerian Research and Education Networ
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses39,168
  • IPv4 ranges5
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 154.68.192.0/18
  • 102.131.64.0/18
  • 196.220.192.0/20
  • 164.160.192.0/21
  • 196.27.136.0/24

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

Check an IP address →

Detect it in code

Spot AS37661 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 AS37661

Is AS37661 a datacenter or VPN network?

AS37661 (Nigerian Research and Education Network Limited by Guarantee) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37661?

AS37661 is registered to Nigerian Research and Education Network Limited by Guarantee. It announces about 39,168 IPv4 addresses.

How do I detect traffic from AS37661?

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.