Network · AS1257

AS1257 Tele2 Sverige AB

AS1257 (Tele2 Sverige AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1257

OwnerTele2 Sverige AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,458,880
IPv4 ranges273
IPv6 ranges53

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

90.128.0.0/12
83.176.0.0/12
83.248.0.0/13
91.128.0.0/14
5.240.0.0/14
37.196.0.0/14
213.100.0.0/14
193.12.0.0/14
188.148.0.0/14
176.68.0.0/14
80.216.0.0/15
77.218.0.0/15

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

Check an IP address →

Detect it in code

Spot AS1257 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 AS1257

Is AS1257 a datacenter or VPN network?

AS1257 (Tele2 Sverige AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1257?

AS1257 is registered to Tele2 Sverige AB. It announces about 6,458,880 IPv4 addresses.

How do I detect traffic from AS1257?

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.