Network · AS11943

AS11943 NTS Communications, LLC

AS11943 (NTS Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS11943

OwnerNTS Communications, LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,328
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

72.59.200.0/21
38.158.140.0/22
38.172.115.0/24

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

Check an IP address →

Detect it in code

Spot AS11943 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 AS11943

Is AS11943 a datacenter or VPN network?

AS11943 (NTS Communications, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS11943?

AS11943 is registered to NTS Communications, LLC. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS11943?

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.