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WorldIP.io
Autonomous System

AS40509

Fly.io, Inc.

Fly.io, Inc. United States 🌐 fly.io
Announced IPs
75,776
CIDR prefixes
49
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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

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
93.1%
Fly.io, Inc. US — —
137.66.0.0/19 8.2K
94.5%
Fly.io, Inc. US — —
149.248.192.0/19 8.2K
94.6%
Fly.io, Inc. US — —
213.188.192.0/19 8.2K
80.9%
Fly.io, Inc. US California San Jose
137.66.48.0/20 4.1K
92.5%
Fly.io, Inc. US — —
168.220.80.0/20 4.1K
74.4%
Fly.io, Inc. US — —
169.155.48.0/20 4.1K
90.4%
Fly.io, Inc. US — —
209.71.80.0/20 4.1K
79.9%
Fly.io, Inc. US — —
213.188.208.0/20 4.1K
0.0%
Fly.io, Inc. US — —
66.51.120.0/21 2.0K
99.1%
Fly.io, Inc. US — —
109.105.216.0/21 2.0K
99.9%
Fly.io, Inc. US — —
137.66.32.0/21 2.0K
93.2%
Fly.io, Inc. US — —
172.86.144.0/21 2.0K
93.8%
Fly.io, Inc. US Illinois Chicago
188.93.144.0/21 2.0K
95.9%
Fly.io, Inc. US — —
209.71.64.0/21 2.0K
72.0%
Fly.io, Inc. US — —
209.71.80.0/21 2.0K
84.8%
Fly.io, Inc. US — —
209.71.96.0/21 2.0K
76.2%
Fly.io, Inc. US Virginia Ashburn
213.188.192.0/21 2.0K
0.0%
Fly.io, Inc. US — —
66.241.112.0/22 1.0K
92.4%
Fly.io, Inc. US — —
77.83.140.0/22 1.0K
87.4%
Fly.io, Inc. US — —
137.66.44.0/22 1.0K
95.3%
Fly.io, Inc. US — —
172.86.144.0/22 1.0K
0.0%
Fly.io, Inc. US Illinois Chicago
172.86.148.0/22 1.0K
96.8%
Fly.io, Inc. US — —
204.8.216.0/22 1.0K
99.3%
Fly.io, Inc. US California San Jose
204.10.76.0/22 1.0K
95.6%
Fly.io, Inc. US — —
209.71.72.0/22 1.0K
77.0%
Fly.io, Inc. US Texas Dallas
209.71.88.0/22 1.0K
73.8%
Fly.io, Inc. US — —
209.71.96.0/22 1.0K
83.6%
Fly.io, Inc. US California San Jose
209.71.104.0/22 1.0K
0.0%
Fly.io, Inc. US Virginia Ashburn
66.241.124.0/23 512
89.1%
Fly.io, Inc. US — —
137.66.42.0/23 512
93.9%
Fly.io, Inc. US — —
172.86.146.0/23 512
91.2%
Fly.io, Inc. US — —
204.8.216.0/23 512
0.0%
Fly.io, Inc. US California San Jose
204.8.220.0/23 512
99.4%
Fly.io, Inc. US Texas Dallas
209.71.72.0/23 512
0.0%
Fly.io, Inc. US Texas Dallas
209.71.76.0/23 512
68.9%
Fly.io, Inc. US Texas Dallas
209.71.92.0/23 512
0.0%
Fly.io, Inc. US Texas Dallas
209.71.94.0/23 512
85.0%
Fly.io, Inc. US — —
209.71.100.0/23 512
68.2%
Fly.io, Inc. US — —
209.71.102.0/23 512
0.0%
Fly.io, Inc. US Virginia Ashburn
209.71.104.0/23 512
69.3%
Fly.io, Inc. US Virginia Ashburn
209.71.108.0/23 512
0.0%
Fly.io, Inc. US Virginia Ashburn
209.198.240.0/23 512
84.4%
Fly.io, Inc. US — —
50.31.246.0/24 256
98.8%
Fly.io, Inc. US — —
66.241.112.0/24 256
0.0%
Fly.io, Inc. SE Stockholm County Stockholm
66.241.113.0/24 256
0.0%
Fly.io, Inc. IN Maharashtra Mumbai
66.241.114.0/24 256
0.0%
Fly.io, Inc. ZA Gauteng Johannesburg
66.241.115.0/24 256
0.0%
Fly.io, Inc. CA Ontario Toronto
66.241.127.0/24 256
85.9%
Fly.io, Inc. US — —
137.66.40.0/24 256
93.8%
Fly.io, Inc. US — —
172.86.145.0/24 256
89.5%
Fly.io, Inc. US Illinois Chicago
172.86.148.0/24 256
0.0%
Fly.io, Inc. NL North Holland Amsterdam
172.86.149.0/24 256
0.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
172.86.150.0/24 256
0.0%
Fly.io, Inc. FR Île-de-France Paris
172.86.151.0/24 256
0.0%
Fly.io, Inc. US California Los Angeles
204.8.218.0/24 256
0.0%
Fly.io, Inc. US Texas Dallas
204.8.219.0/24 256
0.0%
Fly.io, Inc. BR São Paulo São Paulo
204.8.222.0/24 256
77.3%
Fly.io, Inc. US — —
206.51.242.0/24 256
71.5%
Fly.io, Inc. US — —
209.71.64.0/24 256
0.0%
Fly.io, Inc. NL North Holland Amsterdam
209.71.65.0/24 256
0.0%
Fly.io, Inc. SE Stockholm County Stockholm
209.71.66.0/24 256
0.0%
Fly.io, Inc. US Texas Dallas
209.71.67.0/24 256
0.0%
Fly.io, Inc. BR São Paulo São Paulo
209.71.68.0/24 256
0.0%
Fly.io, Inc. IN Maharashtra Mumbai
209.71.69.0/24 256
0.0%
Fly.io, Inc. US New Jersey Secaucus
209.71.70.0/24 256
0.0%
Fly.io, Inc. FR Île-de-France Paris
209.71.71.0/24 256
0.0%
Fly.io, Inc. US Texas Dallas
209.71.74.0/24 256
0.0%
Fly.io, Inc. BR São Paulo São Paulo
209.71.75.0/24 256
0.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.76.0/24 256
0.0%
Fly.io, Inc. US Texas Dallas
209.71.77.0/24 256
0.0%
Fly.io, Inc. BR São Paulo São Paulo
209.71.78.0/24 256
67.2%
Fly.io, Inc. US — —
209.71.80.0/24 256
0.0%
Fly.io, Inc. SG — —
209.71.81.0/24 256
0.0%
Fly.io, Inc. US Virginia Ashburn
209.71.82.0/24 256
0.0%
Fly.io, Inc. GB England London
209.71.83.0/24 256
0.0%
Fly.io, Inc. ZA Gauteng Johannesburg
209.71.84.0/24 256
0.0%
Fly.io, Inc. US California Los Angeles
209.71.85.0/24 256
0.0%
Fly.io, Inc. GB England London
209.71.86.0/24 256
0.0%
Fly.io, Inc. FR Île-de-France Paris
209.71.87.0/24 256
0.0%
Fly.io, Inc. US Texas Dallas
209.71.88.0/24 256
0.0%
Fly.io, Inc. JP Tokyo Tokyo
209.71.89.0/24 256
0.0%
Fly.io, Inc. US Illinois Chicago
209.71.90.0/24 256
0.0%
Fly.io, Inc. DE Hesse Frankfurt am Main
209.71.91.0/24 256
0.0%
Fly.io, Inc. US California Los Angeles
209.71.92.0/24 256
67.6%
Fly.io, Inc. US Texas Dallas
209.71.94.0/24 256
0.0%
Fly.io, Inc. BR São Paulo São Paulo
209.71.95.0/24 256
0.0%
Fly.io, Inc. SG — —
209.71.96.0/24 256
0.0%
Fly.io, Inc. US California San Jose
209.71.97.0/24 256
0.0%
Fly.io, Inc. AU New South Wales Sydney
209.71.98.0/24 256
0.0%
Fly.io, Inc. SE Stockholm County Stockholm
209.71.99.0/24 256
0.0%
Fly.io, Inc. CA Ontario Toronto
209.71.100.0/24 256
0.0%
Fly.io, Inc. CA Ontario Toronto
209.71.101.0/24 256
0.0%
Fly.io, Inc. US California San Jose
209.71.102.0/24 256
66.4%
Fly.io, Inc. US Virginia Ashburn
209.71.104.0/24 256
0.0%
Fly.io, Inc. US Virginia Ashburn
209.71.105.0/24 256
0.0%
Fly.io, Inc. NL North Holland Amsterdam
209.71.106.0/24 256
69.9%
Fly.io, Inc. US — —
209.71.107.0/24 256
0.0%
Fly.io, Inc. JP — —
209.71.108.0/24 256
0.0%
Fly.io, Inc. US Virginia Ashburn
209.71.109.0/24 256
0.0%
Fly.io, Inc. DE Hesse Frankfurt am Main

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
66.241.113.0/24 103,161 2026-09-08 17:35:39
209.71.68.0/24 84,597 2026-09-08 17:48:39
209.71.97.0/24 55,445 2026-09-08 17:35:40
213.188.202.0/24 41,275 2026-09-08 17:46:00
66.241.124.0/23 23,775 2026-09-08 16:34:55
204.10.76.0/23 23,226 2026-09-08 17:35:40
172.86.146.0/24 23,201 2026-09-08 16:36:41
37.16.6.0/23 22,601 2026-09-08 16:34:37
37.16.4.0/23 22,492 2026-09-08 16:34:37
37.16.20.0/23 22,480 2026-09-08 16:34:37
37.16.8.0/23 22,478 2026-09-08 16:34:37
37.16.2.0/23 22,474 2026-09-08 16:34:37
37.16.0.0/23 22,472 2026-09-08 16:34:37
37.16.10.0/23 22,471 2026-09-08 16:34:37
37.16.28.0/23 22,469 2026-09-08 16:34:37
37.16.22.0/23 22,462 2026-09-08 16:34:37
37.16.30.0/23 22,458 2026-09-08 16:34:37
37.16.12.0/23 22,452 2026-09-08 16:34:37
37.16.14.0/23 22,450 2026-09-08 16:34:37
37.16.16.0/23 22,444 2026-09-08 16:34:37
37.16.24.0/23 22,429 2026-09-08 16:34:37
37.16.18.0/23 22,418 2026-09-08 16:34:37
37.16.26.0/23 22,408 2026-09-08 16:34:37
213.188.210.0/23 22,361 2026-09-08 16:36:41
137.66.10.0/23 22,315 2026-09-08 16:36:41
137.66.30.0/23 22,309 2026-09-08 16:36:41
137.66.8.0/23 22,224 2026-09-08 16:36:41
137.66.12.0/23 22,199 2026-09-08 16:36:41
137.66.44.0/23 22,197 2026-09-08 16:36:41
188.93.144.0/23 22,197 2026-09-08 16:36:41
149.248.208.0/23 22,171 2026-09-08 16:36:41
137.66.18.0/23 22,164 2026-09-08 16:36:41
137.66.14.0/23 22,164 2026-09-08 16:36:41
168.220.94.0/23 22,163 2026-09-08 16:36:41
137.66.36.0/23 22,160 2026-09-08 16:36:41
137.66.28.0/23 22,159 2026-09-08 16:36:41
137.66.6.0/23 22,156 2026-09-08 16:36:41
137.66.0.0/23 22,155 2026-09-08 16:36:41
137.66.32.0/23 22,153 2026-09-08 16:36:41
137.66.58.0/23 22,153 2026-09-08 16:36:41
137.66.26.0/23 22,151 2026-09-08 16:36:41
149.248.220.0/23 22,150 2026-09-08 16:36:41
149.248.202.0/23 22,150 2026-09-08 16:36:41
168.220.92.0/23 22,149 2026-09-08 16:36:41
137.66.2.0/23 22,149 2026-09-08 16:36:41
137.66.24.0/23 22,148 2026-09-08 16:36:41
137.66.4.0/23 22,148 2026-09-08 16:36:41
66.51.120.0/23 22,147 2026-09-08 16:34:53
137.66.34.0/23 22,146 2026-09-08 16:36:41
137.66.38.0/23 22,144 2026-09-08 16:36:41

Showing top 50 of 188 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 75.8K IPv4 addresses distributed across 49 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: 2026-09-08 17:54:06 UTC
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