Network · AS243

AS243 L3Harris Technologies, Inc.

AS243 (L3Harris Technologies, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS243

OwnerL3Harris Technologies, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses748,800
IPv4 ranges85
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

166.20.0.0/16
159.62.0.0/16
158.147.0.0/16
148.104.0.0/16
147.177.0.0/16
142.65.0.0/16
141.199.0.0/16
138.254.0.0/16
137.237.0.0/16
128.170.0.0/16
151.190.0.0/17
151.190.128.0/18

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

Check an IP address →

Detect it in code

Spot AS243 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 AS243

Is AS243 a datacenter or VPN network?

AS243 (L3Harris Technologies, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS243?

AS243 is registered to L3Harris Technologies, Inc.. It announces about 748,800 IPv4 addresses.

How do I detect traffic from AS243?

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.