Network · AS50077

AS50077 SYN LTD

AS50077 (SYN LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50077

  • OwnerSYN LTD
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses11,776
  • IPv4 ranges11
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 155.254.40.0/21
  • 91.210.64.0/22
  • 43.239.88.0/22
  • 198.105.96.0/22
  • 198.105.104.0/22
  • 185.135.212.0/22
  • 155.254.56.0/22
  • 155.254.52.0/22
  • 107.181.156.0/22
  • 103.206.232.0/22
  • 155.254.50.0/23

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

Check an IP address →

Detect it in code

Spot AS50077 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 AS50077

Is AS50077 a datacenter or VPN network?

AS50077 (SYN LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50077?

AS50077 is registered to SYN LTD. It announces about 11,776 IPv4 addresses.

How do I detect traffic from AS50077?

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.