Autonomous System details

AS40509

Fly.io, Inc. · fly.io

United States

Anycast

CDN

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AS40509 – Fly.io, Inc.

Field	Value
Country	United States
Website	fly.io
Hosted domains	114,837
IPv4 addresses	71,680
IPv6 addresses	79,789,104,094,565,525,530,607,616
ASN type	Hosting
Registry	arin
Allocated	8 years ago on Dec 20, 2017
Updated	8 years ago on Dec 20, 2017

Netblock	Company	Num of IPs
77.83.140.0/22	Fly.io, Inc	1,024
37.16.0.0/23	Fly.io, Inc.	512
37.16.2.0/23	Fly.io, Inc.	512
37.16.4.0/23	Fly.io, Inc.	512
37.16.6.0/23	Fly.io, Inc.	512
37.16.8.0/23	Fly.io, Inc.	512
37.16.10.0/23	Fly.io, Inc.	512
37.16.12.0/23	Fly.io, Inc.	512
37.16.14.0/23	Fly.io, Inc.	512
37.16.16.0/23	Fly.io, Inc.	512
37.16.18.0/23	Fly.io, Inc.	512
37.16.20.0/23	Fly.io, Inc.	512
37.16.22.0/23	Fly.io, Inc.	512
37.16.24.0/23	Fly.io, Inc.	512
37.16.26.0/23	Fly.io, Inc.	512
37.16.28.0/23	Fly.io, Inc.	512
37.16.30.0/23	Fly.io, Inc.	512
66.51.120.0/23	Fly.io, Inc.	512
66.51.122.0/23	Fly.io, Inc.	512
66.51.124.0/23	Fly.io, Inc.	512
66.51.126.0/23	Fly.io, Inc.	512
66.241.124.0/23	Fly.io, Inc.	512
109.105.216.0/23	Fly.io, Inc.	512
109.105.218.0/23	Fly.io, Inc.	512
109.105.220.0/23	Fly.io, Inc.	512
109.105.222.0/23	Fly.io, Inc.	512
137.66.0.0/23	Fly.io, Inc.	512
137.66.2.0/23	Fly.io, Inc.	512
137.66.4.0/23	Fly.io, Inc.	512
137.66.6.0/23	Fly.io, Inc.	512
137.66.8.0/23	Fly.io, Inc.	512
137.66.10.0/23	Fly.io, Inc.	512
137.66.12.0/23	Fly.io, Inc.	512
137.66.14.0/23	Fly.io, Inc.	512
137.66.16.0/23	Fly.io, Inc.	512
137.66.18.0/23	Fly.io, Inc.	512
137.66.20.0/23	Fly.io, Inc.	512
137.66.22.0/23	Fly.io, Inc.	512
137.66.24.0/23	Fly.io, Inc.	512
137.66.26.0/23	Fly.io, Inc.	512
137.66.28.0/23	Fly.io, Inc.	512
137.66.30.0/23	Fly.io, Inc.	512
137.66.32.0/23	Fly.io, Inc.	512
137.66.34.0/23	Fly.io, Inc.	512
137.66.36.0/23	Fly.io, Inc.	512
137.66.38.0/23	Fly.io, Inc.	512
137.66.42.0/23	Fly.io, Inc.	512
137.66.44.0/23	Fly.io, Inc.	512
137.66.46.0/23	Fly.io, Inc.	512
137.66.48.0/23	Fly.io, Inc.	512
137.66.50.0/23	Fly.io, Inc.	512
137.66.52.0/23	Fly.io, Inc.	512
137.66.54.0/23	Fly.io, Inc.	512
137.66.56.0/23	Fly.io, Inc.	512
137.66.58.0/23	Fly.io, Inc.	512
137.66.60.0/23	Fly.io, Inc.	512
137.66.62.0/23	Fly.io, Inc.	512
149.248.192.0/23	Fly.io, Inc.	512
149.248.194.0/23	Fly.io, Inc.	512
149.248.196.0/23	Fly.io, Inc.	512
149.248.198.0/23	Fly.io, Inc.	512
149.248.200.0/23	Fly.io, Inc.	512
149.248.202.0/23	Fly.io, Inc.	512
149.248.204.0/23	Fly.io, Inc.	512
149.248.206.0/23	Fly.io, Inc.	512
149.248.208.0/23	Fly.io, Inc.	512
149.248.210.0/23	Fly.io, Inc.	512
149.248.212.0/23	Fly.io, Inc.	512
149.248.214.0/23	Fly.io, Inc.	512
149.248.216.0/23	Fly.io, Inc.	512
149.248.218.0/23	Fly.io, Inc.	512
149.248.220.0/23	Fly.io, Inc.	512
149.248.222.0/23	Fly.io, Inc.	512
168.220.80.0/23	Fly.io, Inc.	512
168.220.82.0/23	Fly.io, Inc.	512
168.220.84.0/23	Fly.io, Inc.	512
168.220.86.0/23	Fly.io, Inc.	512
168.220.88.0/23	Fly.io, Inc.	512
168.220.90.0/23	Fly.io, Inc.	512
168.220.92.0/23	Fly.io, Inc.	512
168.220.94.0/23	Fly.io, Inc.	512
169.155.48.0/23	Fly.io, Inc.	512
169.155.50.0/23	Fly.io, Inc.	512
169.155.52.0/23	Fly.io, Inc.	512
169.155.54.0/23	Fly.io, Inc.	512
169.155.56.0/23	Fly.io, Inc.	512
169.155.58.0/23	Fly.io, Inc.	512
169.155.60.0/23	Fly.io, Inc.	512
169.155.62.0/23	Fly.io, Inc.	512
188.93.144.0/23	Fly.io, Inc.	512
188.93.146.0/23	Fly.io, Inc.	512
188.93.148.0/23	Fly.io, Inc.	512
188.93.150.0/23	Fly.io, Inc.	512
204.10.76.0/23	Fly.io, Inc.	512
204.10.78.0/23	Fly.io, Inc.	512
213.188.194.0/23	Fly.io, Inc	512
213.188.196.0/23	Fly.io, Inc	512
213.188.198.0/23	Fly.io, Inc	512
213.188.208.0/23	Fly.io, Inc	512
213.188.210.0/23	Fly.io, Inc	512
213.188.212.0/23	Fly.io, Inc	512
213.188.214.0/23	Fly.io, Inc	512
213.188.216.0/23	Fly.io, Inc	512
213.188.218.0/23	Fly.io, Inc	512
213.188.220.0/23	Fly.io, Inc	512
213.188.222.0/23	Fly.io, Inc	512
50.31.246.0/24	Fly.io, Inc.	256
66.241.127.0/24	Fly.io, Inc.	256
137.66.40.0/24	Fly.io, Inc.	256
172.86.144.0/24	Fly.io, Inc.	256
172.86.145.0/24	Fly.io, Inc.	256
172.86.146.0/24	Fly.io, Inc.	256
172.86.147.0/24	Fly.io, Inc.	256
172.86.148.0/24	Fly.io, Inc.	256
172.86.149.0/24	Fly.io, Inc.	256
172.86.150.0/24	Fly.io, Inc.	256
172.86.151.0/24	Fly.io, Inc.	256
204.8.216.0/24	Fly.io, Inc.	256
204.8.217.0/24	Fly.io, Inc.	256
204.8.218.0/24	Fly.io, Inc.	256
204.8.219.0/24	Fly.io, Inc.	256
204.8.220.0/24	Fly.io, Inc.	256
204.8.221.0/24	Fly.io, Inc.	256
204.8.222.0/24	Fly.io, Inc.	256
206.51.242.0/24	Fly.io, Inc.	256
209.71.64.0/24	Fly.io, Inc.	256
209.71.65.0/24	Fly.io, Inc.	256
209.71.66.0/24	Fly.io, Inc.	256
209.71.67.0/24	Fly.io, Inc.	256
209.71.68.0/24	Fly.io, Inc.	256
209.71.69.0/24	Fly.io, Inc.	256
209.71.70.0/24	Fly.io, Inc.	256
209.71.71.0/24	Fly.io, Inc.	256
209.71.72.0/24	Fly.io, Inc.	256
209.71.73.0/24	Fly.io, Inc.	256
209.71.74.0/24	Fly.io, Inc.	256
209.71.75.0/24	Fly.io, Inc.	256
209.71.76.0/24	Fly.io, Inc.	256
209.71.77.0/24	Fly.io, Inc.	256
209.71.78.0/24	Fly.io, Inc.	256
209.71.80.0/24	Fly.io, Inc.	256
209.71.81.0/24	Fly.io, Inc.	256
209.71.82.0/24	Fly.io, Inc.	256
209.71.83.0/24	Fly.io, Inc.	256
209.71.84.0/24	Fly.io, Inc.	256
209.71.85.0/24	Fly.io, Inc.	256
209.71.86.0/24	Fly.io, Inc.	256
209.71.87.0/24	Fly.io, Inc.	256
209.71.88.0/24	Fly.io, Inc.	256
209.71.89.0/24	Fly.io, Inc.	256
209.71.90.0/24	Fly.io, Inc.	256
209.71.91.0/24	Fly.io, Inc.	256
209.71.92.0/24	Fly.io, Inc.	256
209.71.93.0/24	Fly.io, Inc.	256
209.71.94.0/24	Fly.io, Inc.	256
209.71.95.0/24	Fly.io, Inc.	256
209.71.96.0/24	Fly.io, Inc.	256
209.71.97.0/24	Fly.io, Inc.	256
209.71.98.0/24	Fly.io, Inc.	256
209.71.99.0/24	Fly.io, Inc.	256
209.71.100.0/24	Fly.io, Inc.	256
209.71.101.0/24	Fly.io, Inc.	256
213.188.192.0/24	Fly.io, Inc	256
213.188.193.0/24	Fly.io, Inc	256
213.188.200.0/24	Fly.io, Inc	256
213.188.201.0/24	Fly.io, Inc	256
213.188.202.0/24	Fly.io, Inc	256
213.188.203.0/24	Fly.io, Inc	256
213.188.204.0/24	Fly.io, Inc	256
213.188.205.0/24	Fly.io, Inc	256
213.188.206.0/24	Fly.io, Inc	256
213.188.207.0/24	Fly.io, Inc	256

Netblock	Company
2a09:8280:1::/48	Fly.io, Inc
2a09:8280:13::/48	Fly.io, Inc
2a09:8280:16::/48	Fly.io, Inc
2a09:8280:30::/48	Fly.io, Inc
2a09:8280:50::/48	Fly.io, Inc
2a09:8280:51::/48	Fly.io, Inc
2a09:8280:53::/48	Fly.io, Inc
2a09:8280:54::/48	Fly.io, Inc
2a09:8280:56::/48	Fly.io, Inc
2a09:8280:57::/48	Fly.io, Inc
2a09:8280:58::/48	Fly.io, Inc
2a09:8280:59::/48	Fly.io, Inc
2a09:8280:5a::/48	Fly.io, Inc
2a09:8280:5b::/48	Fly.io, Inc
2a09:8280:5d::/48	Fly.io, Inc
2a09:8280:5f::/48	Fly.io, Inc
2a09:8280:60::/48	Fly.io, Inc
2a09:8280:61::/48	Fly.io, Inc
2a09:8280:62::/48	Fly.io, Inc
2a09:8280:63::/48	Fly.io, Inc
2a09:8280:64::/48	Fly.io, Inc
2a09:8280:65::/48	Fly.io, Inc
2a09:8280:66::/48	Fly.io, Inc
2a09:8280:67::/48	Fly.io, Inc
2a09:8280:68::/48	Fly.io, Inc
2a09:8280:69::/48	Fly.io, Inc
2a09:8280:70::/48	Fly.io, Inc
2a09:8280:71::/48	Fly.io, Inc
2a09:8280:72::/48	Fly.io, Inc
2a09:8280:200::/48	Fly.io, Inc
2a09:8280:e600::/48	Fly.io, Inc
2a09:8280:e601::/48	Fly.io, Inc
2a09:8280:e602::/48	Fly.io, Inc
2a09:8280:e603::/48	Fly.io, Inc
2a09:8280:e604::/48	Fly.io, Inc
2a09:8280:e605::/48	Fly.io, Inc
2a09:8280:e606::/48	Fly.io, Inc
2a09:8280:e607::/48	Fly.io, Inc
2a09:8280:e608::/48	Fly.io, Inc
2a09:8280:e609::/48	Fly.io, Inc
2a09:8280:e610::/48	Fly.io, Inc
2a09:8280:e611::/48	Fly.io, Inc
2a09:8280:e612::/48	Fly.io, Inc
2a09:8280:e613::/48	Fly.io, Inc
2a09:8280:e614::/48	Fly.io, Inc
2a09:8280:e615::/48	Fly.io, Inc
2a09:8280:e617::/48	Fly.io, Inc
2a09:8280:e618::/48	Fly.io, Inc
2a09:8280:e620::/48	Fly.io, Inc
2a09:8280:e621::/48	Fly.io, Inc
2a09:8280:e622::/48	Fly.io, Inc
2a09:8280:e623::/48	Fly.io, Inc
2a09:8280:e624::/48	Fly.io, Inc
2a09:8280:e625::/48	Fly.io, Inc
2a09:8280:e626::/48	Fly.io, Inc
2a09:8280:e627::/48	Fly.io, Inc
2a09:8280:e628::/48	Fly.io, Inc
2a09:8280:e629::/48	Fly.io, Inc
2a09:8280:e630::/48	Fly.io, Inc
2a09:8280:e631::/48	Fly.io, Inc
2a09:8280:e632::/48	Fly.io, Inc
2a09:8280:e633::/48	Fly.io, Inc
2a09:8280:e634::/48	Fly.io, Inc
2a09:8280:e635::/48	Fly.io, Inc
2a09:8280:e636::/48	Fly.io, Inc
2a09:8280:e637::/48	Fly.io, Inc

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WHOIS Details

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                                                ASHandle:       AS40509
                                                OrgID:          AS40509
                                                ASName:         AS40509
                                                ASNumber:       AS40509
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 114,837 domain names hosted across 3,651 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
66.51.123.227	██████████	15,339
77.83.142.181	██████████	12,905
213.188.192.2	██████████	10,989
149.248.221.164	██████████	4,025
77.83.141.16	██████████	2,961
37.16.0.21	██████████	2,947
149.248.215.28	██████████	2,840
37.16.11.30	██████████	2,329
168.220.84.225	██████████	1,713
213.188.193.176	██████████	1,549

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Peers

There are 2 peers for this ASN.

Peers	Name
AS30081	CacheFly
AS36236	NetActuate, Inc

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ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams	Name
AS30081	CacheFly
AS36236	NetActuate, Inc

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

272 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
2a09:8280:54:fac8:a0f7:bcd0:6622:492d	AS40509 Fly.io, Inc.	`0.23ms` from Dallas, US
66.51.123.232	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
168.220.95.41	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
109.105.216.120	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
168.220.85.226	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.35.172	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.3.61	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.197.135	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
149.248.197.20	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
168.220.92.25	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.9.132	AS40509 Fly.io, Inc.	`0.08ms` from Osasco, BR
2a09:8280:56:b947:316e:32f1:c5e1:8faf	AS40509 Fly.io, Inc.	`0.27ms` from Frankfurt am Main, DE
2a09:8280:5d:c49:838f:76d4:f38a:d6ea	AS40509 Fly.io, Inc.	`0.44ms` from London, GB
77.83.141.237	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.18.234	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
66.51.122.25	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.2.137	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.50.241	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
169.155.48.200	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.22.34	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.206.106	AS40509 Fly.io, Inc.	`0.24ms` from Singapore, SG
37.16.17.78	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
149.248.195.124	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.193.247	AS40509 Fly.io, Inc.	`0.08ms` from Osasco, BR
66.241.125.13	AS40509 Fly.io, Inc.	`0.08ms` from Osasco, BR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
178.217.174.205	AS197119 KRENA - Kyrgyz research and education network association	`0.17ms` from Bishkek, KG
67.240.149.253	AS11351 Charter Communications Inc	`17.97ms` from Chicago, US
97.171.210.141	AS6167 Verizon Business	`19.48ms` from Denver, US
73.161.126.189	AS7922 Comcast Cable Communications, LLC	`9.09ms` from Flint, US
60.20.221.253	AS4837 CHINA UNICOM China169 Backbone	`7.64ms` from Liaoyang, CN
194.179.37.189	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.44ms` from Madrid, ES
69.138.111.221	AS7922 Comcast Cable Communications, LLC	`6.74ms` from Miami, US
142.120.240.77	AS577 Bell Canada	`1.36ms` from Montreal, CA
64.231.194.205	AS577 Bell Canada	`7.82ms` from Montreal, CA
31.180.157.141	AS12389 PJSC Rostelecom	`18.68ms` from Moscow, RU
112.122.144.61	AS4837 CHINA UNICOM China169 Backbone	`12.09ms` from Nanjing, CN
216.119.90.29	AS14992 NewtekOne, Inc.	`1.91ms` from Phoenix, US
103.233.185.13	AS138195 MOACK.Co.LTD	`0.86ms` from Seoul, KR
51.77.24.77	AS16276 OVH SAS	`0.09ms` from Strasbourg, FR
140.210.69.45	AS4808 China Unicom Beijing Province Network	`3.05ms` from Tianjin, CN
221.45.65.13	AS17676 SoftBank Corp.	`3.18ms` from Tokyo, JP
111.86.130.157	AS2516 KDDI CORPORATION	`3.78ms` from Tokyo, JP
23.14.27.125	AS16625 Akamai Technologies, Inc.	`0.43ms` from Bogota, CO
154.51.66.13	AS174 Cogent Communications, LLC	`4.31ms` from Durham, US
103.86.199.221	AS18109 MAISHA NET	`6.92ms` from Kolkata, IN
187.156.185.141	AS8151 UNINET	`14.55ms` from Monterrey, MX
13.36.146.29	AS16509 Amazon.com, Inc.	`0.13ms` from Paris, FR
86.196.253.109	AS3215 Orange S.A.	`7.98ms` from Paris, FR
213.19.110.157	AS42908 ORIGINAL AS CZ-NORDICTELECOMREGIONAL	`6.32ms` from Prague, CZ
54.157.45.173	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f2 149.248.197.190

traceroute to 149.248.197.190 (149.248.197.190): 64 hops max, 52 byte packets

2 [AS7195] 200.25.56.11 0.842 ms

3 [AS40509] 149.248.197.190 0.115 ms

Measurement taken from

IPinfo ProbeNet in Osasco, BR

On December 6th 2025

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS40509 at robtex.

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