Network · AS59253

AS59253 LEASEWEB SINGAPORE PTE. LTD.

AS59253 (LEASEWEB SINGAPORE PTE. LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS59253

  • OwnerLEASEWEB SINGAPORE PTE. LTD.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses45,312
  • IPv4 ranges63
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 23.106.64.0/20
  • 209.58.160.0/20
  • 173.234.0.0/20
  • 23.108.96.0/21
  • 23.106.48.0/21
  • 23.106.248.0/21
  • 23.106.120.0/21
  • 209.58.176.0/21
  • 142.91.96.0/21
  • 64.120.92.0/22
  • 23.111.12.0/22
  • 172.255.208.0/22

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

Check an IP address →

Detect it in code

Spot AS59253 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 AS59253

Is AS59253 a datacenter or VPN network?

AS59253 (LEASEWEB SINGAPORE PTE. LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS59253?

AS59253 is registered to LEASEWEB SINGAPORE PTE. LTD.. It announces about 45,312 IPv4 addresses.

How do I detect traffic from AS59253?

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.