Network · AS23657

AS23657 Blue Sky Communications

AS23657 (Blue Sky Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23657

OwnerBlue Sky Communications
KindInternet service provider
Servers, not peopleno
IPv4 addresses10,496
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

67.218.48.0/20
202.70.112.0/20
38.134.236.0/22
198.52.28.0/22
202.4.47.0/24

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

Check an IP address →

Detect it in code

Spot AS23657 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 AS23657

Is AS23657 a datacenter or VPN network?

AS23657 (Blue Sky Communications) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23657?

AS23657 is registered to Blue Sky Communications. It announces about 10,496 IPv4 addresses.

How do I detect traffic from AS23657?

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.