Network · AS17190

AS17190 Washington Metropolitan Area Transit Authority

AS17190 (Washington Metropolitan Area Transit Authority) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17190

  • OwnerWashington Metropolitan Area Transit A
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,144
  • IPv4 ranges5
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.121.8.0/21
  • 170.121.68.0/22
  • 170.121.252.0/22
  • 170.121.244.0/22
  • 170.121.192.0/22

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

Check an IP address →

Detect it in code

Spot AS17190 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 AS17190

Is AS17190 a datacenter or VPN network?

AS17190 (Washington Metropolitan Area Transit Authority) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17190?

AS17190 is registered to Washington Metropolitan Area Transit Authority. It announces about 6,144 IPv4 addresses.

How do I detect traffic from AS17190?

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.