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WorldIP.io
Autonomous System

AS40509

Fly.io, Inc.

Fly.io, Inc. United States 🌐 fly.io
Announced IPs
76,288
CIDR prefixes
34
ASN
AS40509

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Content
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
Website ↗

Web3 footprint

AS40509 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

IPFS IPFS 1

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
37.16.0.0/19 8.2K
99.1%
Fly.io, Inc. US — —
137.66.0.0/19 8.2K
98.8%
Fly.io, Inc. US — —
149.248.192.0/19 8.2K
98.8%
Fly.io, Inc. US — —
213.188.192.0/19 8.2K
98.8%
Fly.io, Inc. US California San Jose
137.66.48.0/20 4.1K
98.7%
Fly.io, Inc. US — —
168.220.80.0/20 4.1K
99.0%
Fly.io, Inc. US — —
169.155.48.0/20 4.1K
99.0%
Fly.io, Inc. US — —
209.71.80.0/20 4.1K
99.4%
Fly.io, Inc. US — —
209.71.96.0/20 4.1K
99.2%
Fly.io, Inc. US Virginia Ashburn
213.188.208.0/20 4.1K
98.6%
Fly.io, Inc. US — —
66.51.120.0/21 2.0K
99.1%
Fly.io, Inc. US — —
109.105.216.0/21 2.0K
99.2%
Fly.io, Inc. US — —
137.66.32.0/21 2.0K
99.1%
Fly.io, Inc. US — —
172.86.144.0/21 2.0K
98.8%
Fly.io, Inc. US Illinois Chicago
188.93.144.0/21 2.0K
98.9%
Fly.io, Inc. US — —
209.71.64.0/21 2.0K
99.5%
Fly.io, Inc. US — —
213.188.192.0/21 2.0K
98.6%
Fly.io, Inc. US — —
66.241.112.0/22 1.0K
98.9%
Fly.io, Inc. US — —
77.83.140.0/22 1.0K
98.7%
Fly.io, Inc. US — —
137.66.44.0/22 1.0K
98.5%
Fly.io, Inc. US — —
172.86.144.0/22 1.0K
98.4%
Fly.io, Inc. US Illinois Chicago
204.8.216.0/22 1.0K
99.0%
Fly.io, Inc. US California San Jose
204.10.76.0/22 1.0K
99.2%
Fly.io, Inc. US — —
209.71.72.0/22 1.0K
99.2%
Fly.io, Inc. US Texas Dallas
66.241.124.0/23 512
98.2%
Fly.io, Inc. US — —
137.66.42.0/23 512
98.2%
Fly.io, Inc. US — —
204.8.216.0/23 512
99.2%
Fly.io, Inc. US California San Jose
204.8.220.0/23 512
99.0%
Fly.io, Inc. US Texas Dallas
209.71.72.0/23 512
98.8%
Fly.io, Inc. US Texas Dallas
209.71.76.0/23 512
99.6%
Fly.io, Inc. US Texas Dallas
209.71.92.0/23 512
99.4%
Fly.io, Inc. US Texas Dallas
209.71.102.0/23 512
99.0%
Fly.io, Inc. US Virginia Ashburn
209.198.240.0/23 512
98.6%
Fly.io, Inc. US — —
50.31.246.0/24 256
97.7%
Fly.io, Inc. US — —
66.241.112.0/24 256
100.0%
Fly.io, Inc. SE Stockholm County Stockholm
66.241.113.0/24 256
97.7%
Fly.io, Inc. IN Maharashtra Mumbai
66.241.114.0/24 256
100.0%
Fly.io, Inc. ZA Gauteng Johannesburg
66.241.115.0/24 256
98.0%
Fly.io, Inc. CA Ontario Toronto
66.241.123.0/24 256
99.6%
Fly.io, Inc. US — —
66.241.127.0/24 256
98.4%
Fly.io, Inc. US — —
137.66.40.0/24 256
98.0%
Fly.io, Inc. US — —
172.86.148.0/24 256
100.0%
Fly.io, Inc. NL North Holland Amsterdam
172.86.149.0/24 256
99.6%
Fly.io, Inc. DE Hesse Frankfurt am Main
172.86.150.0/24 256
99.6%
Fly.io, Inc. FR Île-de-France Paris
172.86.151.0/24 256
97.3%
Fly.io, Inc. US California Los Angeles
204.8.218.0/24 256
99.2%
Fly.io, Inc. US Texas Dallas
204.8.219.0/24 256
98.4%
Fly.io, Inc. BR São Paulo São Paulo
204.8.222.0/24 256
99.6%
Fly.io, Inc. US — —
206.51.242.0/24 256
99.6%
Fly.io, Inc. US — —
209.71.64.0/24 256
100.0%
Fly.io, Inc. NL North Holland Amsterdam
209.71.65.0/24 256
100.0%
Fly.io, Inc. SE Stockholm County Stockholm
209.71.66.0/24 256
99.2%
Fly.io, Inc. US Texas Dallas
209.71.67.0/24 256
99.2%
Fly.io, Inc. BR São Paulo São Paulo
209.71.68.0/24 256
100.0%
Fly.io, Inc. SG — —
209.71.69.0/24 256
98.4%
Fly.io, Inc. US New Jersey Secaucus
209.71.70.0/24 256
100.0%
Fly.io, Inc. FR Île-de-France Paris
209.71.71.0/24 256
98.8%
Fly.io, Inc. US Texas Dallas
209.71.74.0/24 256
99.2%
Fly.io, Inc. BR São Paulo São Paulo
209.71.75.0/24 256
100.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.76.0/24 256
99.6%
Fly.io, Inc. US Texas Dallas
209.71.77.0/24 256
99.6%
Fly.io, Inc. BR São Paulo São Paulo
209.71.78.0/24 256
99.6%
Fly.io, Inc. US — —
209.71.80.0/24 256
100.0%
Fly.io, Inc. SG — —
209.71.81.0/24 256
98.8%
Fly.io, Inc. US Virginia Ashburn
209.71.82.0/24 256
100.0%
Fly.io, Inc. GB England London
209.71.83.0/24 256
100.0%
Fly.io, Inc. ZA Gauteng Johannesburg
209.71.84.0/24 256
98.4%
Fly.io, Inc. US California Los Angeles
209.71.85.0/24 256
100.0%
Fly.io, Inc. GB England London
209.71.86.0/24 256
100.0%
Fly.io, Inc. FR Île-de-France Paris
209.71.87.0/24 256
97.7%
Fly.io, Inc. US Texas Dallas
209.71.88.0/24 256
100.0%
Fly.io, Inc. JP Tokyo Tokyo
209.71.89.0/24 256
98.0%
Fly.io, Inc. US Illinois Chicago
209.71.90.0/24 256
100.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.91.0/24 256
98.8%
Fly.io, Inc. US California Los Angeles
209.71.94.0/24 256
100.0%
Fly.io, Inc. BR São Paulo São Paulo
209.71.95.0/24 256
100.0%
Fly.io, Inc. SG — —
209.71.96.0/24 256
98.4%
Fly.io, Inc. US California San Jose
209.71.97.0/24 256
98.8%
Fly.io, Inc. AU New South Wales Sydney
209.71.98.0/24 256
100.0%
Fly.io, Inc. SE Stockholm County Stockholm
209.71.99.0/24 256
99.2%
Fly.io, Inc. CA Ontario Toronto
209.71.100.0/24 256
98.0%
Fly.io, Inc. CA Ontario Toronto
209.71.101.0/24 256
100.0%
Fly.io, Inc. US California San Jose
209.71.104.0/24 256
99.6%
Fly.io, Inc. US Virginia Ashburn
209.71.105.0/24 256
100.0%
Fly.io, Inc. NL North Holland Amsterdam
209.71.106.0/24 256
100.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.107.0/24 256
98.8%
Fly.io, Inc. JP — —
209.71.108.0/24 256
99.6%
Fly.io, Inc. US Virginia Ashburn
209.71.109.0/24 256
100.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.110.0/24 256
98.8%
Fly.io, Inc. AU New South Wales Sydney
209.71.111.0/24 256
98.4%
Fly.io, Inc. US Virginia Ashburn
209.198.240.0/24 256
98.4%
Fly.io, Inc. AU New South Wales Sydney
209.198.241.0/24 256
98.8%
Fly.io, Inc. US — —
209.198.242.0/24 256
99.2%
Fly.io, Inc. US Virginia Ashburn
213.188.200.0/24 256
100.0%
Fly.io, Inc. US California San Jose
213.188.201.0/24 256
98.4%
Fly.io, Inc. BR São Paulo São Paulo
213.188.202.0/24 256
99.2%
Fly.io, Inc. AU New South Wales Sydney
213.188.203.0/24 256
99.2%
Fly.io, Inc. JP — —
213.188.204.0/24 256
100.0%
Fly.io, Inc. GB England London
213.188.205.0/24 256
98.0%
Fly.io, Inc. US Virginia Ashburn
213.188.206.0/24 256
100.0%
Fly.io, Inc. SG — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS40509 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
66.241.113.0/24 111,190 2026-10-13 11:37:27
209.71.68.0/24 107,654 2026-10-13 11:37:46
209.71.97.0/24 61,921 2026-10-13 12:34:36
213.188.202.0/24 46,717 2026-10-13 12:34:36
204.10.76.0/23 28,579 2026-10-13 12:34:36
66.241.124.0/23 26,784 2026-10-13 12:28:02
172.86.146.0/24 26,177 2026-10-13 12:28:02
37.16.6.0/23 25,774 2026-10-13 12:28:02
37.16.4.0/23 25,554 2026-10-13 12:28:02
37.16.8.0/23 25,508 2026-10-13 12:28:02
37.16.10.0/23 25,508 2026-10-13 12:28:02
37.16.30.0/23 25,479 2026-10-13 12:28:02
37.16.28.0/23 25,469 2026-10-13 12:28:02
37.16.0.0/23 25,465 2026-10-13 12:28:02
37.16.2.0/23 25,464 2026-10-13 12:28:02
37.16.20.0/23 25,453 2026-10-13 12:28:02
37.16.22.0/23 25,448 2026-10-13 12:28:02
37.16.14.0/23 25,423 2026-10-13 12:31:20
37.16.12.0/23 25,419 2026-10-13 12:31:56
137.66.10.0/23 25,414 2026-10-13 12:28:02
37.16.24.0/23 25,401 2026-10-13 12:30:30
37.16.26.0/23 25,384 2026-10-13 12:29:13
37.16.16.0/23 25,377 2026-10-13 12:34:30
37.16.18.0/23 25,372 2026-10-13 12:33:23
137.66.44.0/23 25,331 2026-10-13 12:28:02
188.93.144.0/23 25,319 2026-10-13 12:28:02
213.188.210.0/23 25,276 2026-10-13 12:33:13
168.220.94.0/23 25,239 2026-10-13 12:28:02
137.66.8.0/23 25,232 2026-10-13 12:28:02
137.66.30.0/23 25,231 2026-10-13 12:29:33
213.188.198.0/23 25,222 2026-10-13 12:28:02
149.248.202.0/23 25,192 2026-10-13 12:28:02
137.66.12.0/23 25,169 2026-10-13 12:28:02
172.86.147.0/24 25,167 2026-10-13 12:28:02
149.248.200.0/23 25,160 2026-10-13 12:28:02
168.220.92.0/23 25,158 2026-10-13 12:28:02
137.66.42.0/23 25,151 2026-10-13 12:28:02
137.66.36.0/23 25,139 2026-10-13 12:28:02
66.51.124.0/23 25,132 2026-10-13 12:28:02
137.66.14.0/23 25,131 2026-10-13 12:28:02
66.241.127.0/24 25,130 2026-10-13 12:28:02
137.66.2.0/23 25,129 2026-10-13 12:28:02
137.66.48.0/23 25,119 2026-10-13 12:28:02
137.66.34.0/23 25,117 2026-10-13 12:28:02
137.66.6.0/23 25,116 2026-10-13 12:28:02
137.66.0.0/23 25,113 2026-10-13 12:28:02
137.66.4.0/23 25,109 2026-10-13 12:28:02
137.66.38.0/23 25,108 2026-10-13 12:28:02
66.51.120.0/23 25,105 2026-10-13 12:28:38
137.66.28.0/23 25,103 2026-10-13 12:28:02

Showing top 50 of 190 announced prefixes by sample volume.

Frequently Asked Questions

What is AS40509?

AS40509 is an Autonomous System Number assigned to Fly.io, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS40509 announce?

AS40509 announces 76.3K IPv4 addresses distributed across 34 routed CIDR prefixes. The network is registered in United States.

Who operates AS40509?

AS40509 is operated by Fly.io, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS40509 registered in?

AS40509 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-13 12:39:05 UTC
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