Network · AS3145

AS3145 Refinitiv US LLC

AS3145 (Refinitiv US LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3145

  • OwnerRefinitiv US LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses16,128
  • IPv4 ranges22
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 164.57.192.0/19
  • 199.224.136.0/22
  • 146.242.32.0/22
  • 198.80.164.0/23
  • 162.8.64.0/23
  • 146.242.38.0/23
  • 146.242.18.0/23
  • 204.126.143.0/24
  • 199.224.157.0/24
  • 198.80.176.0/24
  • 198.80.163.0/24
  • 162.8.232.0/24

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

Check an IP address →

Detect it in code

Spot AS3145 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 AS3145

Is AS3145 a datacenter or VPN network?

AS3145 (Refinitiv US LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3145?

AS3145 is registered to Refinitiv US LLC. It announces about 16,128 IPv4 addresses.

How do I detect traffic from AS3145?

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.