Network · AS16525

AS16525 KBR

AS16525 (KBR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16525

OwnerKBR
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,608
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

161.51.0.0/21
161.51.24.0/22
161.51.20.0/23
161.51.10.0/23
161.51.8.0/24
161.51.22.0/24

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

Check an IP address →

Detect it in code

Spot AS16525 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 AS16525

Is AS16525 a datacenter or VPN network?

AS16525 (KBR) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16525?

AS16525 is registered to KBR. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS16525?

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.