Network · AS51716

AS51716 Opened Joint-Stock Company Moscow River Shipping

AS51716 (Opened Joint-Stock Company Moscow River Shipping) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51716

  • OwnerOpened Joint-Stock Company Moscow Rive
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 91.221.42.0/24

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

Check an IP address →

Detect it in code

Spot AS51716 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 AS51716

Is AS51716 a datacenter or VPN network?

AS51716 (Opened Joint-Stock Company Moscow River Shipping) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51716?

AS51716 is registered to Opened Joint-Stock Company Moscow River Shipping. It announces about 256 IPv4 addresses.

How do I detect traffic from AS51716?

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.