Network · AS27843

AS27843 OPTICAL TECHNOLOGIES S.A.C.

AS27843 (OPTICAL TECHNOLOGIES S.A.C.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27843

OwnerOPTICAL TECHNOLOGIES S.A.C.
KindInternet service provider
Servers, not peopleno
IPv4 addresses129,024
IPv4 ranges103
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

191.98.128.0/18
190.12.64.0/19
190.102.128.0/19
181.177.224.0/19
161.132.96.0/19
161.132.192.0/19
38.19.144.0/20
161.132.128.0/20
38.210.240.0/21
200.16.0.0/21
161.132.88.0/21
161.132.240.0/21

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

Check an IP address →

Detect it in code

Spot AS27843 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 AS27843

Is AS27843 a datacenter or VPN network?

AS27843 (OPTICAL TECHNOLOGIES S.A.C.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27843?

AS27843 is registered to OPTICAL TECHNOLOGIES S.A.C.. It announces about 129,024 IPv4 addresses.

How do I detect traffic from AS27843?

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.