Network · AS28451

AS28451 ASESPRI ETHERNET

AS28451 (ASESPRI ETHERNET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28451

OwnerASESPRI ETHERNET
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges2
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

38.56.248.0/22
185.240.166.0/24

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

Check an IP address →

Detect it in code

Spot AS28451 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 AS28451

Is AS28451 a datacenter or VPN network?

AS28451 (ASESPRI ETHERNET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28451?

AS28451 is registered to ASESPRI ETHERNET. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS28451?

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.