Autonomous System

AS21777 Massive Networks, Inc.

ISPActiveUnited StatesARIN

AS21777 (MASSIVE-NETWORKS-21777) is an ISP network operated by Massive Networks, Inc. in United States, registered with ARIN. It has 63 IPv4 prefixes with 32,256 addresses and 7 IPv6 prefixes, which makes it the 5,357th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses32,256in 63 prefixes
IPv6 prefixes7≈ 8.1 × 10²⁸ addresses
Size rank#5,357of 82,200 active ASNs
Abuser scoreLow0.06% of its addresses flagged · method

Details

OrganizationMassive Networks, Inc.
AS nameMASSIVE-NETWORKS-21777
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@massivenetworks.com
Registered2011-01-21
Last updated2026-02-25

IPv4 prefixes

63 prefixes · 32,256 addresses
NetworkAddressesFirst – last address
64.92.96.0/198,19264.92.96.0 – 64.92.127.255
206.168.224.0/212,048206.168.224.0 – 206.168.231.255
199.45.236.0/221,024199.45.236.0 – 199.45.239.255
199.127.200.0/221,024199.127.200.0 – 199.127.203.255
204.144.128.0/221,024204.144.128.0 – 204.144.131.255
206.168.216.0/221,024206.168.216.0 – 206.168.219.255
207.174.140.0/221,024207.174.140.0 – 207.174.143.255
72.18.212.0/2351272.18.212.0 – 72.18.213.255
72.18.218.0/2351272.18.218.0 – 72.18.219.255
199.189.28.0/23512199.189.28.0 – 199.189.29.255
199.189.30.0/23512199.189.30.0 – 199.189.31.255
204.144.132.0/23512204.144.132.0 – 204.144.133.255
204.144.140.0/23512204.144.140.0 – 204.144.141.255
206.168.222.0/23512206.168.222.0 – 206.168.223.255
207.174.72.0/23512207.174.72.0 – 207.174.73.255
207.174.110.0/23512207.174.110.0 – 207.174.111.255
207.174.138.0/23512207.174.138.0 – 207.174.139.255
65.101.207.0/2425665.101.207.0 – 65.101.207.255
72.18.208.0/2425672.18.208.0 – 72.18.208.255
72.18.210.0/2425672.18.210.0 – 72.18.210.255
72.18.217.0/2425672.18.217.0 – 72.18.217.255
72.18.220.0/2425672.18.220.0 – 72.18.220.255
72.18.223.0/2425672.18.223.0 – 72.18.223.255
192.124.0.0/24256192.124.0.0 – 192.124.0.255
192.188.61.0/24256192.188.61.0 – 192.188.61.255
The 25 largest of 63. The API and the database have all of them.

IPv6 prefixes

7 prefixes
  • 2607:2b80::/32
  • 2602:ffc6:100::/40
  • 2602:ffc6:200::/40
  • 2602:ffc6:300::/40
  • 2602:ffc6:400::/40
  • 2602:ffc6:500::/40
  • 2602:ffc6:600::/40

Query AS21777 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.

curl "https://api.ipapi.is/?q=AS21777&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21777, with or without a key:

curl "https://api.ipapi.is/?q=64.92.96.1"

Largest networks in United States