AS40509 Fly.io, Inc.

A network in United States. Here are the size of its IP ranges and the data used for visitor checks.

Country

IPv4 addresses

76,288 addresses

IPv4 ranges

IPv6 ranges

Visitor check data

This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work

United States65,536 addresses

Brazil1,792 addresses

Singapore1,536 addresses

Germany1,280 addresses

Australia1,024 addresses

Up to 20, largest first (22 in total).

137.66.0.0 ~ 137.66.40.255

37.16.0.0/19

149.248.192.0/19

209.71.80.0 ~ 209.71.111.255

213.188.192.0/19

137.66.42.0 ~ 137.66.63.255

168.220.80.0/20

169.155.48.0/20

209.71.64.0 ~ 209.71.78.255

66.51.120.0/21

109.105.216.0/21

172.86.144.0/21

188.93.144.0/21

204.8.216.0 ~ 204.8.222.255

66.241.112.0/22

77.83.140.0/22

204.10.76.0/22

66.241.123.0 ~ 66.241.125.255

209.198.240.0 ~ 209.198.242.255

50.31.246.0/24

Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12