Network · AS37518

AS37518 Fiber Grid INC

AS37518 (Fiber Grid INC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS37518

  • OwnerFiber Grid INC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses925,440
  • IPv4 ranges584
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 196.59.0.0/16
  • 196.56.128.0/17
  • 196.48.128.0/17
  • 196.199.128.0/17
  • 196.58.64.0/18
  • 196.57.64.0/18
  • 196.56.64.0/18
  • 196.48.64.0/18
  • 196.247.64.0/18
  • 196.245.64.0/18
  • 196.243.64.0/18
  • 196.243.128.0/18

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

Check an IP address →

Detect it in code

Spot AS37518 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 AS37518

Is AS37518 a datacenter or VPN network?

AS37518 (Fiber Grid INC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS37518?

AS37518 is registered to Fiber Grid INC. It announces about 925,440 IPv4 addresses.

How do I detect traffic from AS37518?

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.