Network · AS3737

AS3737 PenTeleData Inc.

AS3737 (PenTeleData Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3737

  • OwnerPenTeleData Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses672,000
  • IPv4 ranges179
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 75.97.0.0/16
  • 70.15.128.0/17
  • 50.29.128.0/17
  • 24.229.128.0/17
  • 24.102.128.0/17
  • 146.12.0.0/17
  • 70.44.64.0/18
  • 70.44.128.0/18
  • 70.15.0.0/18
  • 64.67.192.0/18
  • 24.152.192.0/18
  • 24.115.64.0/18

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

Check an IP address →

Detect it in code

Spot AS3737 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 AS3737

Is AS3737 a datacenter or VPN network?

AS3737 (PenTeleData Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3737?

AS3737 is registered to PenTeleData Inc.. It announces about 672,000 IPv4 addresses.

How do I detect traffic from AS3737?

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.