Network · AS401263

AS401263 Nuclearfallout Enterprises, Inc.

AS401263 (Nuclearfallout Enterprises, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS401263

OwnerNuclearfallout Enterprises, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.91.123.0/24
74.91.116.0/24
192.223.31.0/24
192.223.27.0/24
192.223.24.0/24
162.248.95.0/24
104.153.107.0/24

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

Check an IP address →

Detect it in code

Spot AS401263 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 AS401263

Is AS401263 a datacenter or VPN network?

AS401263 (Nuclearfallout Enterprises, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS401263?

AS401263 is registered to Nuclearfallout Enterprises, Inc.. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS401263?

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.