Network · AS4226

AS4226 Sumofiber

AS4226 (Sumofiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4226

OwnerSumofiber
KindInternet service provider
Servers, not peopleno
IPv4 addresses44,800
IPv4 ranges25
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.59.192.0/20
38.148.80.0/20
38.148.48.0/20
38.148.112.0/20
38.148.0.0/20
198.91.48.0/20
38.70.248.0/21
38.59.208.0/21
38.148.96.0/21
38.148.64.0/21
38.148.40.0/21
199.192.96.0/21

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

Check an IP address →

Detect it in code

Spot AS4226 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 AS4226

Is AS4226 a datacenter or VPN network?

AS4226 (Sumofiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4226?

AS4226 is registered to Sumofiber. It announces about 44,800 IPv4 addresses.

How do I detect traffic from AS4226?

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.