Network · AS197603

AS197603 Transtema Fiberdata AB

AS197603 (Transtema Fiberdata AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS197603

OwnerTranstema Fiberdata AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges6
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

80.252.222.0/23
185.122.72.0/23
80.252.220.0/24
194.71.86.0/24
194.68.58.0/24
193.183.46.0/24

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

Check an IP address →

Detect it in code

Spot AS197603 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 AS197603

Is AS197603 a datacenter or VPN network?

AS197603 (Transtema Fiberdata AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS197603?

AS197603 is registered to Transtema Fiberdata AB. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS197603?

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.