Network · AS45733

AS45733 Center For International Forestry Research(CIFOR)

AS45733 (Center For International Forestry Research(CIFOR)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS45733

  • OwnerCenter For International Forestry Rese
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses768
  • IPv4 ranges2
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.27.252.0/23
  • 202.137.225.0/24

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

Check an IP address →

Detect it in code

Spot AS45733 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 AS45733

Is AS45733 a datacenter or VPN network?

AS45733 (Center For International Forestry Research(CIFOR)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS45733?

AS45733 is registered to Center For International Forestry Research(CIFOR). It announces about 768 IPv4 addresses.

How do I detect traffic from AS45733?

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.