Network · AS9911

AS9911 Singapore Telecommunications Ltd

AS9911 (Singapore Telecommunications Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9911

OwnerSingapore Telecommunications Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses12,288
IPv4 ranges8
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

211.102.176.0/21
117.120.240.0/21
117.120.200.0/21
101.193.88.0/21
103.114.72.0/22
101.193.84.0/22
101.192.80.0/22
101.192.76.0/22

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

Check an IP address →

Detect it in code

Spot AS9911 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 AS9911

Is AS9911 a datacenter or VPN network?

AS9911 (Singapore Telecommunications Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9911?

AS9911 is registered to Singapore Telecommunications Ltd. It announces about 12,288 IPv4 addresses.

How do I detect traffic from AS9911?

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.