Network · AS72

AS72 Schlumberger Limited

AS72 (Schlumberger Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS72

  • OwnerSchlumberger Limited
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,151,744
  • IPv4 ranges83
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 163.186.0.0/15
  • 136.252.0.0/15
  • 136.250.0.0/15
  • 163.188.0.0/16
  • 163.184.0.0/16
  • 163.183.0.0/16
  • 137.144.0.0/16
  • 136.254.0.0/16
  • 136.249.0.0/16
  • 134.32.0.0/16
  • 129.87.0.0/16
  • 128.58.0.0/16

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

Check an IP address →

Detect it in code

Spot AS72 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 AS72

Is AS72 a datacenter or VPN network?

AS72 (Schlumberger Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS72?

AS72 is registered to Schlumberger Limited. It announces about 1,151,744 IPv4 addresses.

How do I detect traffic from AS72?

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.