Network · AS29951

AS29951 Syptec

AS29951 (Syptec) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS29951

OwnerSyptec
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,736
IPv4 ranges24
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

216.229.48.0/20
70.99.240.0/21
67.139.208.0/21
67.138.104.0/21
70.99.192.0/22
70.98.204.0/22
70.96.84.0/22
70.96.248.0/22
209.63.68.0/22
70.99.204.0/23
70.96.96.0/23
67.139.230.0/23

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

Check an IP address →

Detect it in code

Spot AS29951 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 AS29951

Is AS29951 a datacenter or VPN network?

AS29951 (Syptec) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS29951?

AS29951 is registered to Syptec. It announces about 20,736 IPv4 addresses.

How do I detect traffic from AS29951?

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.