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	114,563
IPv4 addresses	72,192
IPv6 addresses	82,206,955,733,794,783,880,019,968
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
2a09:8280:73::/48	Fly.io, Inc
2a09:8280:74::/48	Fly.io, Inc
2a09:8280:75::/48	Fly.io, Inc
2a09:8280:76::/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 114,563 domain names hosted across 3,701 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	██████████	12,962
213.188.192.2	██████████	10,865
77.83.141.16	██████████	2,738
37.16.0.21	██████████	2,659
37.16.11.30	██████████	2,488
149.248.215.28	██████████	2,455
149.248.221.164	██████████	1,869
213.188.193.176	██████████	1,582
109.105.219.109	██████████	1,526

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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

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

IP Address	ASN	Details
149.248.204.19	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
149.248.195.251	AS40509 Fly.io, Inc.	`0.08ms` from Osasco, BR
168.220.90.221	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
2a09:8280:13::	AS40509 Fly.io, Inc.	`0.12ms` from Osasco, BR
137.66.34.209	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
37.16.25.6	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
213.188.210.175	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
109.105.221.149	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.1.217	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.31.244	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
2a09:8280:75::	AS40509 Fly.io, Inc.	`0.55ms` from Secaucus, US
172.86.145.114	AS40509 Fly.io, Inc.	`0.87ms` from Chicago, US
213.188.211.243	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.30.108	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.6.169	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
168.220.87.204	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
2a09:8280:51:19de:2a1a:ef08:e74a:6b4a	AS40509 Fly.io, Inc.	`0.34ms` from Paris, FR
2a09:8280:73::1	AS40509 Fly.io, Inc.	`0.19ms` from Stockholm, SE
213.188.202.91	AS40509 Fly.io, Inc.	`0.11ms` from Sydney, AU
66.241.115.144	AS40509 Fly.io, Inc.	`0.15ms` from Toronto, CA
2a09:8280:76::	AS40509 Fly.io, Inc.	`1.12ms` from Chicago, US
2a09:8280:56:a7e4:51f5:14f6:2f5b:c7ef	AS40509 Fly.io, Inc.	`0.29ms` from Frankfurt am Main, DE
213.188.212.127	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
137.66.54.138	AS40509 Fly.io, Inc.	`0.09ms` from Osasco, BR
149.248.198.13	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
94.56.242.237	AS5384 Emirates Internet	`4.71ms` from Al Fujairah City, AE
3.144.201.221	AS16509 Amazon.com, Inc.	`0.66ms` from Columbus, US
86.48.94.141	AS47292 Sentia Denmark A/S	`0.80ms` from Copenhagen, DK
91.59.223.141	AS3320 Deutsche Telekom AG	`6.72ms` from Frankfurt am Main, DE
45.95.116.173	AS61317 Hivelocity LLC	`0.28ms` from Frankfurt am Main, DE
99.86.234.125	AS16509 Amazon.com, Inc.	`0.09ms` from Hamburg, DE
222.170.224.93	AS4134 CHINANET-BACKBONE	`9.20ms` from Harbin, CN
103.243.164.29	AS59217 Azonne Limited	`1.05ms` from Hong Kong, HK
189.254.41.45	AS8151 UNINET	`4.31ms` from Mexico City, MX
18.65.159.77	AS16509 Amazon.com, Inc.	`0.15ms` from Osaka, JP
128.79.193.109	AS5410 Bouygues Telecom SA	`1.48ms` from Paris, FR
85.70.193.221	AS5610 O2 Czech Republic, a.s.	`4.18ms` from Prague, CZ
157.20.104.253	AS136557 Host Universal Pty Ltd	`0.12ms` from Singapore, SG
118.76.149.141	AS4837 CHINA UNICOM China169 Backbone	`9.61ms` from Taiyuan, CN
31.192.15.61	AS49129 LTD CGC Co	`0.98ms` from Tbilisi, GE
64.207.245.13	AS22773 Cox Communications Inc.	`2.52ms` from Tulsa, US
213.10.148.253	AS1136 KPN B.V.	`1.52ms` from Amsterdam, NL
119.49.2.29	AS4837 CHINA UNICOM China169 Backbone	`2.78ms` from Changchun, CN
160.25.185.189	AS136759 Cosmopolitan Communications Limited	`0.94ms` from Dhaka, BD
38.83.26.157	AS393684 Infinity Network Services, Inc.	`8.29ms` from Durham, US
85.220.153.61	AS25394 MK Netzdienste Verwaltungs GmbH trading as MK Netzdienste GmbH & Co. KG	`0.39ms` from Frankfurt am Main, DE
118.71.218.157	AS18403 FPT Telecom Company	`1.27ms` from Ho Chi Minh City, VN
85.54.149.61	AS12479 Orange Espagne SA	`11.30ms` from Madrid, ES
35.200.198.61	AS396982 Google LLC	`0.09ms` from Mumbai, IN
196.223.162.173	AS37109 MyISP Limited	`0.20ms` from Nairobi, KE

Traceroute

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

traceroute -a -n -q1 -f3 -m11 209.71.71.41

traceroute to 209.71.71.41 (209.71.71.41): 11 hops max, 52 byte packets

3 [AS6939] 184.105.250.41 1.301 ms

4 *

5 *

6 *

7 *

8 [AS7922] 96.87.8.122 17.384 ms

9 *

10 *

11 *

Measurement taken from

IPinfo ProbeNet in Denver, US

On February 16th 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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