Network · AS21828

AS21828 Tulare County Office of Education

AS21828 (Tulare County Office of Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21828

OwnerTulare County Office of Education
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,480
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

206.78.160.0/19
206.78.0.0/19
204.155.0.0/20

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

Check an IP address →

Detect it in code

Spot AS21828 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 AS21828

Is AS21828 a datacenter or VPN network?

AS21828 (Tulare County Office of Education) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21828?

AS21828 is registered to Tulare County Office of Education. It announces about 20,480 IPv4 addresses.

How do I detect traffic from AS21828?

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.