Network · AS50821

AS50821 Bredband2 Stockholms Stadsnaet AB

AS50821 (Bredband2 Stockholms Stadsnaet AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50821

OwnerBredband2 Stockholms Stadsnaet AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses60,416
IPv4 ranges12
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

46.39.96.0/19
212.100.96.0/19
147.28.64.0/19
145.14.96.0/19
89.255.224.0/20
79.142.240.0/20
217.69.144.0/20
178.16.208.0/20
145.40.16.0/20
109.238.128.0/20
178.251.128.0/21
185.81.108.0/22

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

Check an IP address →

Detect it in code

Spot AS50821 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 AS50821

Is AS50821 a datacenter or VPN network?

AS50821 (Bredband2 Stockholms Stadsnaet AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50821?

AS50821 is registered to Bredband2 Stockholms Stadsnaet AB. It announces about 60,416 IPv4 addresses.

How do I detect traffic from AS50821?

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.