Network · AS36820

AS36820 TULIP SYSTEMS, INC.

AS36820 (TULIP SYSTEMS, INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS36820

OwnerTULIP SYSTEMS, INC.
KindInternet service provider
Servers, not peopleno
IPv4 addresses8,192
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

64.118.64.0/20
208.93.112.0/21
208.75.224.0/21

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

Check an IP address →

Detect it in code

Spot AS36820 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 AS36820

Is AS36820 a datacenter or VPN network?

AS36820 (TULIP SYSTEMS, INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS36820?

AS36820 is registered to TULIP SYSTEMS, INC.. It announces about 8,192 IPv4 addresses.

How do I detect traffic from AS36820?

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.