137.66.44.0/23

AS40509 · Fly.io, Inc.

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Summary

Country	United States
Domain	fly.io
ASN	AS40509
Registry	ARIN
ID	FLYIO

WHOIS Details

NetHandle:      NET-137-66-0-0-1
OrgID:          FLYIO
Parent:         NET-137-0-0-0-0
NetName:        FLYIO
NetRange:       137.66.0.0 - 137.66.63.255
NetType:        allocation
RegDate:        2022-04-29
Updated:        2022-04-29
Source:         ARIN


OrgID:          FLYIO
OrgName:        Fly.io, Inc.
CanAllocate:    
Street:         PO Box 803338 #19104
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60680-3338
RegDate:        2017-01-18
Updated:        2025-01-10
OrgAdminHandle: FLYOP-ARIN
OrgTechHandle:  BERRY359-ARIN
OrgTechHandle:  FLYOP-ARIN
OrgAbuseHandle: ABUSE8489-ARIN
OrgNOCHandle:   FLYOP-ARIN
Source:         ARIN


POCHandle:      FLYOP-ARIN
IsRole:         Y
LastName:       Fly Ops
FirstName:      
Street:         PO Box 803338 #19104
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60680-3338
RegDate:        2017-01-15
Updated:        2024-11-07
OfficePhone:    +1-312-283-4377
Mailbox:        ops@fly.io
Source:         ARIN


POCHandle:      BERRY359-ARIN
IsRole:         N
LastName:       Berryman
FirstName:      Steve
Street:         630 Davidson Road
City:           Croydon
State/Prov:     
Country:        GB
PostalCode:     CR0 6DJ
RegDate:        2021-11-11
Updated:        2025-01-10
OfficePhone:    +447886749129
Mailbox:        steve@fly.io
Source:         ARIN


POCHandle:      ABUSE8489-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         2261 Market Street #4990
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94114
RegDate:        2022-07-20
Updated:        2025-08-06
OfficePhone:    +1-312-626-4490
Mailbox:        abuse@fly.io
Source:         ARIN

Hosted domains

There are 97 domain names hosted across 25 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
137.66.44.197	kjvxi.tokyo	51
137.66.44.194	quercussuberheritage.com	20
137.66.44.2	whitneybanh.com	3
137.66.44.149	dabdab.org	1
137.66.44.64	estebans-portfolio.com	1
137.66.45.240	myonlyshokupans.com	1
137.66.44.6	szentbalazskonf.com	1
137.66.45.205	decompery.com	1
137.66.44.162	rocketship.io	1
137.66.44.116	heysheriff.com	1
137.66.45.109	byjp.cc	1
137.66.45.188	calder.one	1
137.66.45.176	ev-db.com	1
137.66.44.216	blunt.rip	1
137.66.44.155	documentbear.com	1
137.66.45.249	ploggs.net	1
137.66.45.197	kero.chat	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
137.66.44.38	AS40509 Fly.io, Inc.	`0.08ms` from Rio de Janeiro, BR
137.66.45.151	AS40509 Fly.io, Inc.	`0.09ms` from Guadalajara, MX

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
20.119.203.183	AS8075 Microsoft Corporation	`0.36ms` from Boydton, US
86.127.6.71	AS8708 DIGI ROMANIA S.A.	`4.64ms` from Bucharest, RO
14.98.45.183	AS45820 Tata Teleservices ISP AS	`0.70ms` from Chennai, IN
98.212.173.167	AS7922 Comcast Cable Communications, LLC	`7.53ms` from Chicago, US
101.64.242.183	AS4837 CHINA UNICOM China169 Backbone	`9.98ms` from Hangzhou, CN
5.27.233.55	AS16135 Turkcell A.S.	`14.42ms` from Izmir, TR
86.141.16.7	AS2856 British Telecommunications PLC	`5.02ms` from London, GB
213.122.50.55	AS2856 British Telecommunications PLC	`0.84ms` from London, GB
193.237.2.23	AS5378 Vodafone Limited	`4.67ms` from Manchester, GB
176.135.187.7	AS5410 Bouygues Telecom SA	`8.19ms` from Marseille, FR
186.52.254.183	AS6057 Administracion Nacional de Telecomunicaciones	`1.64ms` from Montevideo, UY
60.208.237.135	AS4837 CHINA UNICOM China169 Backbone	`6.32ms` from Qingdao, CN
91.122.12.135	AS12389 PJSC Rostelecom	`1.15ms` from Saint Petersburg, RU
211.197.242.135	AS4766 Korea Telecom	`1.29ms` from Seoul, KR
218.55.147.55	AS9318 SK Broadband Co Ltd	`4.57ms` from Seoul, KR
130.198.4.23	AS36351 IBM Cloud	`1.10ms` from Sydney, AU
114.32.138.151	AS3462 Data Communication Business Group	`0.82ms` from Taipei, TW
88.151.134.7	AS401299 SipNav LLC	`0.73ms` from Tampa, US
76.11.23.55	AS11260 EastLink	`10.31ms` from Halifax, CA
161.81.19.199	AS137872 China Mobile Hong Kong Company Limited	`2.21ms` from Hong Kong, HK
60.19.223.23	AS4837 CHINA UNICOM China169 Backbone	`8.95ms` from Liaoyang, CN
2.9.121.23	AS3215 Orange S.A.	`12.02ms` from Marseille, FR
202.238.234.151	AS2497 Internet Initiative Japan Inc.	`7.24ms` from Osaka, JP
58.56.182.119	AS4134 CHINANET-BACKBONE	`2.13ms` from Qingdao, CN
107.13.43.167	AS11426 Charter Communications Inc	`10.65ms` from Reston, US

Traceroute

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

traceroute -a -n -q1 -f2 137.66.44.27

traceroute to 137.66.44.27 (137.66.44.27): 64 hops max, 52 byte packets

2 [AS7195] 200.25.52.193 45.4 ms

3 [AS40509] 137.66.44.27 0.123 ms

Measurement taken from

IPinfo ProbeNet in Rio de Janeiro, BR

On August 28th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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