Network · AS51259

AS51259 Arcus Novus UAB

AS51259 (Arcus Novus UAB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51259

OwnerArcus Novus UAB
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,680
IPv4 ranges6
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

77.94.48.0/20
77.94.32.0/21
77.94.44.0/23
77.94.40.0/23
77.94.46.0/24
77.94.43.0/24

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

Check an IP address →

Detect it in code

Spot AS51259 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 AS51259

Is AS51259 a datacenter or VPN network?

AS51259 (Arcus Novus UAB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51259?

AS51259 is registered to Arcus Novus UAB. It announces about 7,680 IPv4 addresses.

How do I detect traffic from AS51259?

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.