Network · AS54103

AS54103 MOD Mission Critical, LLC

AS54103 (MOD Mission Critical, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS54103

OwnerMOD Mission Critical, LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses113,920
IPv4 ranges182
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

67.227.48.0/20
216.107.48.0/20
67.219.24.0/21
67.203.40.0/21
64.6.176.0/21
216.74.88.0/21
216.107.8.0/21
207.199.184.0/21
206.246.120.0/21
173.211.56.0/21
134.202.0.0/21
104.143.104.0/21

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

Check an IP address →

Detect it in code

Spot AS54103 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 AS54103

Is AS54103 a datacenter or VPN network?

AS54103 (MOD Mission Critical, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS54103?

AS54103 is registered to MOD Mission Critical, LLC. It announces about 113,920 IPv4 addresses.

How do I detect traffic from AS54103?

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.