Network · AS25829

AS25829 Smithsonian Institution

AS25829 (Smithsonian Institution) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25829

OwnerSmithsonian Institution
KindInternet service provider
Servers, not peopleno
IPv4 addresses62,464
IPv4 ranges11
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

160.111.0.0/17
160.111.192.0/19
160.111.160.0/19
160.111.240.0/20
160.111.144.0/20
160.111.136.0/21
160.111.224.0/22
160.111.128.0/22
160.111.228.0/23
38.127.143.0/24
160.111.231.0/24

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

Check an IP address →

Detect it in code

Spot AS25829 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 AS25829

Is AS25829 a datacenter or VPN network?

AS25829 (Smithsonian Institution) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25829?

AS25829 is registered to Smithsonian Institution. It announces about 62,464 IPv4 addresses.

How do I detect traffic from AS25829?

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.