$ query “AS40509” --type=asn → 1 result(s)

AS40509 — FLY

Fly.io Inc.

AS40509 is an enterprise stub network registered to Fly.io Inc., established in the United States in 2017. The network announces a respectable 72 448 IPv4 addresses. Supports IPv6.

Basic Information

Country
🇺🇸 United States
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 20, 2017
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
175 / 38
IPv6 Prefixes (raw / aggregated)
68 / 27
IPv4 Addresses
72 448
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/45
Geolocated Countries
🇺🇸 US (42 IPs), 🇳🇱 NL (4 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 72 448 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
0 downstream autonomous systems buying transit
Degree
2 unique BGP neighbors (providers + customers + peers)
Reach
0 — customer cone size measuring network influence
Degree Rank
#35 730

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (175 total)

  • 37.16.0.0/19 (8 192 addresses)
  • 137.66.0.0/19 (8 192 addresses)
  • 149.248.192.0/19 (8 192 addresses)
  • 213.188.192.0/19 (8 192 addresses)
  • 137.66.48.0/20 (4 096 addresses)
  • 168.220.80.0/20 (4 096 addresses)
  • 169.155.48.0/20 (4 096 addresses)
  • 66.51.120.0/21 (2 048 addresses)
  • 109.105.216.0/21 (2 048 addresses)
  • 137.66.32.0/21 (2 048 addresses)
  • 188.93.144.0/21 (2 048 addresses)
  • 209.71.64.0/21 (2 048 addresses)
  • 209.71.80.0/21 (2 048 addresses)
  • 66.241.112.0/22 (1 024 addresses)
  • 77.83.140.0/22 (1 024 addresses)
  • 137.66.44.0/22 (1 024 addresses)
  • 172.86.148.0/22 (1 024 addresses)
  • 204.8.216.0/22 (1 024 addresses)
  • 204.10.76.0/22 (1 024 addresses)
  • 209.71.72.0/22 (1 024 addresses)
  • 209.71.88.0/22 (1 024 addresses)
  • 209.71.96.0/22 (1 024 addresses)
  • 66.241.124.0/23 (512 addresses)
  • 137.66.42.0/23 (512 addresses)
  • 172.86.146.0/23 (512 addresses)
  • 204.8.220.0/23 (512 addresses)
  • 209.71.76.0/23 (512 addresses)
  • 209.71.94.0/23 (512 addresses)
  • 209.71.100.0/23 (512 addresses)
  • 50.31.246.0/24 (256 addresses)
  • 66.241.127.0/24 (256 addresses)
  • 137.66.40.0/24 (256 addresses)
  • 172.86.145.0/24 (256 addresses)
  • 204.8.222.0/24 (256 addresses)
  • 206.51.242.0/24 (256 addresses)
  • 209.71.78.0/24 (256 addresses)
  • 209.71.92.0/24 (256 addresses)
  • 209.71.102.0/24 (256 addresses)

IPv6 Prefixes (68 total)

  • 2a09:8280:60::/45
  • 2a09:8280:e620::/45
  • 2a09:8280:e630::/45
  • 2a09:8280:58::/46
  • 2a09:8280:70::/46
  • 2a09:8280:e604::/46
  • 2a09:8280:e610::/46
  • 2a09:8280:50::/47
  • 2a09:8280:56::/47
  • 2a09:8280:68::/47
  • 2a09:8280:74::/47
  • 2a09:8280:e602::/47
  • 2a09:8280:e608::/47
  • 2a09:8280:e614::/47
  • 2a09:8280:e628::/47
  • 2a09:8280:1::/48
  • 2a09:8280:13::/48
  • 2a09:8280:16::/48
  • 2a09:8280:53::/48
  • 2a09:8280:54::/48
  • 2a09:8280:5d::/48
  • 2a09:8280:5f::/48
  • 2a09:8280:76::/48
  • 2a09:8280:200::/48
  • 2a09:8280:e601::/48
  • 2a09:8280:e617::/48
  • 2a09:8280:e618::/48