Network · AS21686

AS21686 Hawaiian Telcom Services Company, Inc.

AS21686 (Hawaiian Telcom Services Company, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21686

OwnerHawaiian Telcom Services Company, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses24,576
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

66.175.64.0/19
66.135.224.0/19
64.111.176.0/20
208.103.96.0/20

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

Check an IP address →

Detect it in code

Spot AS21686 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 AS21686

Is AS21686 a datacenter or VPN network?

AS21686 (Hawaiian Telcom Services Company, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21686?

AS21686 is registered to Hawaiian Telcom Services Company, Inc.. It announces about 24,576 IPv4 addresses.

How do I detect traffic from AS21686?

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.