Network · AS400719

AS400719 RJN Services

AS400719 (RJN Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400719

OwnerRJN Services
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges4
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

44.31.24.0/24
44.18.60.0/24
23.140.168.0/24
207.174.50.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS400719 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 AS400719

Is AS400719 a datacenter or VPN network?

AS400719 (RJN Services) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400719?

AS400719 is registered to RJN Services. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS400719?

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.