Network · AS1747

AS1747 IBM

AS1747 (IBM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1747

OwnerIBM
KindInternet service provider
Servers, not peopleno
IPv4 addresses49,920
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

129.34.128.0/17
129.34.0.0/18
199.181.149.0/24
199.164.149.0/24
198.180.207.0/24

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

Check an IP address →

Detect it in code

Spot AS1747 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 AS1747

Is AS1747 a datacenter or VPN network?

AS1747 (IBM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1747?

AS1747 is registered to IBM. It announces about 49,920 IPv4 addresses.

How do I detect traffic from AS1747?

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.