Network · AS21438

AS21438 Joint Stock Company TransTeleCom

AS21438 (Joint Stock Company TransTeleCom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21438

  • OwnerJoint Stock Company TransTeleCom
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,608
  • IPv4 ranges10
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 86.110.164.0/22
  • 178.76.200.0/22
  • 86.110.162.0/23
  • 178.76.192.0/23
  • 86.110.172.0/24
  • 5.149.148.0/24
  • 5.149.147.0/24
  • 178.76.215.0/24
  • 178.76.206.0/24
  • 178.76.204.0/24

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

Check an IP address →

Detect it in code

Spot AS21438 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 AS21438

Is AS21438 a datacenter or VPN network?

AS21438 (Joint Stock Company TransTeleCom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21438?

AS21438 is registered to Joint Stock Company TransTeleCom. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS21438?

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.