Network · AS12187

AS12187 Metropolitan Transportation Authority

AS12187 (Metropolitan Transportation Authority) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12187

OwnerMetropolitan Transportation Authority
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,992
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

170.28.64.0/19
170.28.32.0/19
170.28.128.0/20
170.28.16.0/23

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

Check an IP address →

Detect it in code

Spot AS12187 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 AS12187

Is AS12187 a datacenter or VPN network?

AS12187 (Metropolitan Transportation Authority) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12187?

AS12187 is registered to Metropolitan Transportation Authority. It announces about 20,992 IPv4 addresses.

How do I detect traffic from AS12187?

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.