Network · AS27981

AS27981 Universidad Nacional de Mar del Plata

AS27981 (Universidad Nacional de Mar del Plata) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27981

OwnerUniversidad Nacional de Mar del Plata
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,536
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

170.80.24.0/22
200.0.182.0/23

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

Check an IP address →

Detect it in code

Spot AS27981 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 AS27981

Is AS27981 a datacenter or VPN network?

AS27981 (Universidad Nacional de Mar del Plata) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27981?

AS27981 is registered to Universidad Nacional de Mar del Plata. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS27981?

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.