Network · AS137689

AS137689 IOT Jiangsu network, Chinatelecom, P.R.China.

AS137689 (IOT Jiangsu network, Chinatelecom, P.R.China.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS137689

OwnerIOT Jiangsu network, Chinatelecom, P.R
KindInternet service provider
Servers, not peopleno
IPv4 addresses43,264
IPv4 ranges24
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

36.113.96.0/19
36.113.32.0/19
36.113.128.0/19
36.113.16.0/20
36.113.64.0/21
36.113.184.0/21
36.113.80.0/22
36.113.0.0/22
117.61.232.0/22
117.61.216.0/22
117.61.208.0/22
36.113.4.0/23

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

Check an IP address →

Detect it in code

Spot AS137689 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 AS137689

Is AS137689 a datacenter or VPN network?

AS137689 (IOT Jiangsu network, Chinatelecom, P.R.China.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS137689?

AS137689 is registered to IOT Jiangsu network, Chinatelecom, P.R.China.. It announces about 43,264 IPv4 addresses.

How do I detect traffic from AS137689?

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.