Network · AS3738

AS3738 State Street Bank and Trust Company

AS3738 (State Street Bank and Trust Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3738

OwnerState Street Bank and Trust Company
KindInternet service provider
Servers, not peopleno
IPv4 addresses27,136
IPv4 ranges56
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

192.250.144.0/21
192.250.120.0/21
192.250.80.0/22
192.250.72.0/22
192.250.68.0/22
192.250.32.0/22
192.250.180.0/22
192.250.160.0/22
192.250.96.0/23
192.250.90.0/23
192.250.86.0/23
192.250.78.0/23

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

Check an IP address →

Detect it in code

Spot AS3738 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 AS3738

Is AS3738 a datacenter or VPN network?

AS3738 (State Street Bank and Trust Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3738?

AS3738 is registered to State Street Bank and Trust Company. It announces about 27,136 IPv4 addresses.

How do I detect traffic from AS3738?

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.