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	115,117
IPv4 addresses	71,168
IPv6 addresses	77,371,252,455,336,267,181,195,264
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
66.241.112.0/24	Fly.io, Inc.	256
66.241.113.0/24	Fly.io, Inc.	256
66.241.114.0/24	Fly.io, Inc.	256
66.241.115.0/24	Fly.io, Inc.	256
66.241.127.0/24	Fly.io, Inc.	256
137.66.40.0/24	Fly.io, Inc.	256
172.86.145.0/24	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
209.71.94.0/24	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
2a09:8280:50::/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: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 115,117 domain names hosted across 3,672 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	██████████	12,964
213.188.192.2	██████████	10,986
149.248.221.164	██████████	3,927
77.83.141.16	██████████	2,813
37.16.0.21	██████████	2,798
149.248.215.28	██████████	2,693
37.16.11.30	██████████	2,399
168.220.84.225	██████████	1,682
213.188.193.176	██████████	1,566

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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
37.16.5.141	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.8.155	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.223.142	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
149.248.223.61	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
168.220.82.61	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.192.177	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
2a09:8280:69:b4ea:3adb:7cf1:f55:5811	AS40509 Fly.io, Inc.	`0.20ms` from Toronto, CA
169.155.61.77	AS40509 Fly.io, Inc.	`0.10ms` from Osasco, BR
204.10.79.4	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
172.86.146.104	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.208.172	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
204.10.76.35	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
109.105.223.117	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.8.176	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
204.10.77.156	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.61.49	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.2.45	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.30.194	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.22.214	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
169.155.60.91	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
2a09:8280:72::	AS40509 Fly.io, Inc.	`0.30ms` from Sao Paulo, BR
37.16.23.4	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.29.214	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.17.87	AS40509 Fly.io, Inc.	`0.10ms` from Osasco, BR
149.248.216.63	AS40509 Fly.io, Inc.	`0.09ms` 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
208.45.118.253	AS19901 Brightspeed	`9.57ms` from Atlanta, US
209.82.110.253	AS6461 Zayo Bandwidth	`0.89ms` from Calgary, CA
213.162.26.13	AS12350 VTX Services SA	`8.32ms` from Geneve, CH
183.61.126.29	AS4134 CHINANET-BACKBONE	`2.78ms` from Guangzhou, CN
8.218.23.45	AS45102 Alibaba (US) Technology Co., Ltd.	`0.71ms` from Hong Kong, HK
203.176.200.125	AS9269 Hong Kong Broadband Network Ltd.	`1.01ms` from Hong Kong, HK
36.65.81.157	AS7713 PT Telekomunikasi Indonesia	`8.97ms` from Jakarta, ID
41.0.252.141	AS36994 Vodacom	`6.78ms` from Johannesburg, ZA
82.223.251.13	AS8560 IONOS SE	`0.38ms` from Logrono, ES
2.221.49.77	AS5607 Sky UK Limited	`2.18ms` from London, GB
80.15.0.189	AS3215 Orange S.A.	`2.85ms` from Paris, FR
192.109.201.157	AS40676 Psychz Networks	`0.88ms` from Seoul, KR
211.228.22.93	AS4766 Korea Telecom	`6.72ms` from Seoul, KR
60.199.179.61	AS9924 Taiwan Fixed Network, Telco and Network Service Provider.	`0.47ms` from Taipei, TW
110.240.31.173	AS4837 CHINA UNICOM China169 Backbone	`12.78ms` from Tianjin, CN
175.147.15.77	AS4837 CHINA UNICOM China169 Backbone	`8.58ms` from Tieling, CN
124.184.144.237	AS1221 Telstra Limited	`9.92ms` from Adelaide, AU
181.40.50.173	AS23201 Telecel S.A.	`9.21ms` from Asuncion, PY
39.106.86.253	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`3.30ms` from Beijing, CN
114.246.101.173	AS4808 China Unicom Beijing Province Network	`3.66ms` from Beijing, CN
117.213.222.237	AS9829 National Internet Backbone	`6.83ms` from Chennai, IN
211.139.71.253	AS9808 China Mobile Communications Group Co., Ltd.	`1.41ms` from Lhasa, CN
45.120.5.189	AS36352 HostPapa	`0.32ms` from Los Angeles, US
50.218.245.141	AS7922 Comcast Cable Communications, LLC	`0.49ms` from Los Angeles, US
176.171.93.29	AS5410 Bouygues Telecom SA	`5.87ms` from Marseille, FR

Traceroute

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

traceroute -a -n -q1 -f2 149.248.210.205

traceroute to 149.248.210.205 (149.248.210.205): 64 hops max, 52 byte packets

2 [AS7195] 200.25.56.11 0.748 ms

3 [AS40509] 149.248.210.205 0.107 ms

Measurement taken from

IPinfo ProbeNet in Osasco, BR

On January 9th 2026

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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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