Network · AS18670

AS18670 Arrowstreet Capital, L.P.

AS18670 (Arrowstreet Capital, L.P.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18670

OwnerArrowstreet Capital, L.P.
KindInternet service provider
Servers, not peopleno
IPv4 addresses768
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

199.85.22.0/23
38.127.203.0/24

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

Check an IP address →

Detect it in code

Spot AS18670 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 AS18670

Is AS18670 a datacenter or VPN network?

AS18670 (Arrowstreet Capital, L.P.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18670?

AS18670 is registered to Arrowstreet Capital, L.P.. It announces about 768 IPv4 addresses.

How do I detect traffic from AS18670?

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.