Network · AS39855

AS39855 Mod Mission Critical LLC

AS39855 (Mod Mission Critical LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS39855

  • OwnerMod Mission Critical LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses130,816
  • IPv4 ranges308
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 168.199.96.0/20
  • 168.199.32.0/20
  • 168.199.24.0/21
  • 95.214.156.0/22
  • 95.135.156.0/22
  • 94.177.60.0/22
  • 91.124.160.0/22
  • 89.33.0.0/22
  • 85.203.56.0/22
  • 82.41.216.0/22
  • 82.38.192.0/22
  • 81.21.236.0/22

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

Check an IP address →

Detect it in code

Spot AS39855 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 AS39855

Is AS39855 a datacenter or VPN network?

AS39855 (Mod Mission Critical LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS39855?

AS39855 is registered to Mod Mission Critical LLC. It announces about 130,816 IPv4 addresses.

How do I detect traffic from AS39855?

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.