Network check
ASN
AS21453
- OwnerFlex Ltd.
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses117,248
- IPv4 ranges19
- IPv6 ranges1
Risk score0
Nothing suspicious found.
Network · AS21453
AS21453 (Flex Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS21453
Nothing suspicious found.
178.167.0.0/1795.183.64.0/1894.253.0.0/1894.253.96.0/1980.252.128.0/19212.7.224.0/19178.57.224.0/1994.253.64.0/2080.84.112.0/2088.84.216.0/2188.84.200.0/2131.31.64.0/21Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.
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);AS21453 (Flex Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS21453 is registered to Flex Ltd.. It announces about 117,248 IPv4 addresses.
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.