Network · AS1605

AS1605 Allegiant Travel Company

AS1605 (Allegiant Travel Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1605

OwnerAllegiant Travel Company
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

98.187.3.0/24
8.28.118.0/24
38.70.194.0/24
38.27.162.0/24

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

Check an IP address →

Detect it in code

Spot AS1605 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 AS1605

Is AS1605 a datacenter or VPN network?

AS1605 (Allegiant Travel Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1605?

AS1605 is registered to Allegiant Travel Company. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS1605?

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.