Network · AS12307

AS12307 Sandro Bolliger trading as Bolliger Network Solutions

AS12307 (Sandro Bolliger trading as Bolliger Network Solutions) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12307

  • OwnerSandro Bolliger trading as Bolliger Ne
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges2
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 185.119.107.0/24
  • 185.119.104.0/24

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

Check an IP address →

Detect it in code

Spot AS12307 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 AS12307

Is AS12307 a datacenter or VPN network?

AS12307 (Sandro Bolliger trading as Bolliger Network Solutions) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12307?

AS12307 is registered to Sandro Bolliger trading as Bolliger Network Solutions. It announces about 512 IPv4 addresses.

How do I detect traffic from AS12307?

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.