Network · AS398754

AS398754 CoastConnect LLC

AS398754 (CoastConnect LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS398754

OwnerCoastConnect LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses45,056
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

152.36.128.0/18
207.69.0.0/19
140.106.128.0/19
130.250.64.0/19
134.231.16.0/20

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

Check an IP address →

Detect it in code

Spot AS398754 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 AS398754

Is AS398754 a datacenter or VPN network?

AS398754 (CoastConnect LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS398754?

AS398754 is registered to CoastConnect LLC. It announces about 45,056 IPv4 addresses.

How do I detect traffic from AS398754?

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.