Network · AS62837

AS62837 Smart Fiber Networks

AS62837 (Smart Fiber Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS62837

OwnerSmart Fiber Networks
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

23.173.40.0/24

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

Check an IP address →

Detect it in code

Spot AS62837 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 AS62837

Is AS62837 a datacenter or VPN network?

AS62837 (Smart Fiber Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS62837?

AS62837 is registered to Smart Fiber Networks. It announces about 256 IPv4 addresses.

How do I detect traffic from AS62837?

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.