Network · AS20857

AS20857 Signet B.V.

AS20857 (Signet B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20857

OwnerSignet B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses175,872
IPv4 ranges52
IPv6 ranges28

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

37.97.128.0/17
149.210.128.0/17
136.144.128.0/17
95.170.64.0/19
87.253.128.0/19
93.119.0.0/20
85.10.128.0/20
80.69.80.0/20
37.34.48.0/20
178.18.80.0/20
85.10.144.0/21
84.247.8.0/21

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

Check an IP address →

Detect it in code

Spot AS20857 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 AS20857

Is AS20857 a datacenter or VPN network?

AS20857 (Signet B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20857?

AS20857 is registered to Signet B.V.. It announces about 175,872 IPv4 addresses.

How do I detect traffic from AS20857?

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.