Network · AS27398

AS27398 Alyeska Information Technology Services LLC

AS27398 (Alyeska Information Technology Services LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27398

OwnerAlyeska Information Technology Service
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.123.136.0/22
206.81.160.0/22
162.218.248.0/22

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

Check an IP address →

Detect it in code

Spot AS27398 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 AS27398

Is AS27398 a datacenter or VPN network?

AS27398 (Alyeska Information Technology Services LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27398?

AS27398 is registered to Alyeska Information Technology Services LLC. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS27398?

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.