Network · AS21777

AS21777 Massive Networks, Inc.

AS21777 (Massive Networks, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21777

OwnerMassive Networks, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses32,256
IPv4 ranges59
IPv6 ranges5

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

64.92.96.0/19
206.168.224.0/21
207.174.140.0/22
206.168.216.0/22
204.144.128.0/22
199.45.236.0/22
199.189.28.0/22
199.127.200.0/22
72.18.218.0/23
72.18.212.0/23
207.174.76.0/23
207.174.72.0/23

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

Check an IP address →

Detect it in code

Spot AS21777 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 AS21777

Is AS21777 a datacenter or VPN network?

AS21777 (Massive Networks, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21777?

AS21777 is registered to Massive Networks, Inc.. It announces about 32,256 IPv4 addresses.

How do I detect traffic from AS21777?

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.