Network · AS1780

AS1780 Valmet Oyj

AS1780 (Valmet Oyj) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1780

  • OwnerValmet Oyj
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,536
  • IPv4 ranges4
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 139.74.128.0/23
  • 139.74.126.0/23
  • 139.74.130.0/24
  • 139.74.124.0/24

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

Check an IP address →

Detect it in code

Spot AS1780 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 AS1780

Is AS1780 a datacenter or VPN network?

AS1780 (Valmet Oyj) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1780?

AS1780 is registered to Valmet Oyj. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS1780?

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.