Network · AS5663

AS5663 Department of Interior United States Geological Survey

AS5663 (Department of Interior United States Geological Survey) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5663

OwnerDepartment of Interior United States G
KindInternet service provider
Servers, not peopleno
IPv4 addresses35,072
IPv4 ranges10
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

152.61.0.0/18
152.61.192.0/19
152.61.64.0/20
152.61.80.0/21
152.61.136.0/22
152.61.128.0/22
137.227.144.0/22
152.61.140.0/23
152.61.134.0/23
152.61.133.0/24

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

Check an IP address →

Detect it in code

Spot AS5663 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 AS5663

Is AS5663 a datacenter or VPN network?

AS5663 (Department of Interior United States Geological Survey) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5663?

AS5663 is registered to Department of Interior United States Geological Survey. It announces about 35,072 IPv4 addresses.

How do I detect traffic from AS5663?

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.