Network · AS21947

AS21947 Blackfoot Telephone Cooperative, Inc.

AS21947 (Blackfoot Telephone Cooperative, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21947

OwnerBlackfoot Telephone Cooperative, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses70,144
IPv4 ranges29
IPv6 ranges10

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.51.96.0/19
216.14.224.0/19
209.200.192.0/19
69.51.80.0/20
69.165.112.0/20
66.109.128.0/20
216.47.48.0/20
209.137.240.0/20
192.225.176.0/20
69.51.72.0/21
66.109.152.0/21
64.25.136.0/21

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

Check an IP address →

Detect it in code

Spot AS21947 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 AS21947

Is AS21947 a datacenter or VPN network?

AS21947 (Blackfoot Telephone Cooperative, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21947?

AS21947 is registered to Blackfoot Telephone Cooperative, Inc.. It announces about 70,144 IPv4 addresses.

How do I detect traffic from AS21947?

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.