Network · AS15149

AS15149 Core Technology Services, Inc.

AS15149 (Core Technology Services, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15149

OwnerCore Technology Services, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,344
IPv4 ranges11
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

216.150.64.0/19
72.9.96.0/20
216.169.96.0/20
66.199.224.0/21
216.169.120.0/21
96.45.68.0/22
66.199.232.0/22
64.29.188.0/22
216.169.112.0/22
216.169.116.0/23
216.169.119.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS15149 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 AS15149

Is AS15149 a datacenter or VPN network?

AS15149 (Core Technology Services, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15149?

AS15149 is registered to Core Technology Services, Inc.. It announces about 25,344 IPv4 addresses.

How do I detect traffic from AS15149?

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.