137.66.40.0/24

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:         2261 Market Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94114
RegDate:        2017-01-18
Updated:        2025-11-18
OrgAdminHandle: FLYOP-ARIN
OrgTechHandle:  BERRY359-ARIN
OrgTechHandle:  FLYOP-ARIN
OrgAbuseHandle: ABUSE8489-ARIN
OrgNOCHandle:   FLYOP-ARIN
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


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:      FLYOP-ARIN
IsRole:         Y
LastName:       Fly Ops
FirstName:      
Street:         2261 Market Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94114
RegDate:        2017-01-15
Updated:        2025-11-18
OfficePhone:    +1-312-283-4377
Mailbox:        ops@fly.io
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 137.66.0.0/16

No nearby ranges found.

Hosted domains

There are 2 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
137.66.40.79	pandoraxclub.online	1
137.66.40.11	local-ip.sh	1
137.66.40.12	local-ip.sh	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
137.66.40.83	AS40509 Fly.io, Inc.	`0.10ms` 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
44.216.159.248	AS14618 Amazon.com, Inc.	`0.47ms` from Ashburn, US
54.243.153.152	AS14618 Amazon.com, Inc.	`0.49ms` from Ashburn, US
135.234.174.104	AS8075 Microsoft Corporation	`0.45ms` from Ashburn, US
23.53.18.248	AS38040 TOT Public Company Limited	`1.15ms` from Bangkok, TH
84.193.76.184	AS6848 Telenet BV	`6.02ms` from Brussels, BE
68.147.38.24	AS6327 Shaw Communications	`6.36ms` from Calgary, CA
197.153.61.56	AS36925 MEDITELECOM	`4.01ms` from Casablanca, MA
196.117.47.152	AS36925 MEDITELECOM	`2.98ms` from Casablanca, MA
174.110.194.24	AS11426 Charter Communications Inc	`8.39ms` from Charlotte, US
24.1.99.168	AS7922 Comcast Cable Communications, LLC	`5.28ms` from Chicago, US
135.220.203.184	AS8075 Microsoft Corporation	`0.34ms` from Frankfurt am Main, DE
112.8.124.8	AS24444 Shandong Mobile Communication Company Limited	`5.25ms` from Jinan, CN
46.200.137.24	AS6849 JSC "Ukrtelecom"	`2.32ms` from Kyiv, UA
176.230.42.184	AS12400 Partner Communications Ltd.	`1.91ms` from Rosh Ha‘Ayin, IL
169.199.51.8	AS23309 Contra Costa County Office of Education	`6.13ms` from San Jose, US
47.84.78.88	AS45102 Alibaba (US) Technology Co., Ltd.	`0.81ms` from Singapore, SG
120.156.96.120	AS1221 Telstra Limited	`3.92ms` from Sydney, AU
210.241.252.184	AS3462 Data Communication Business Group	`3.67ms` from Taichung, TW
64.92.90.56	AS25645 Momentum Telecom, Inc.	`0.32ms` from Atlanta, US
80.153.234.40	AS3320 Deutsche Telekom AG	`8.39ms` from Frankfurt am Main, DE
124.150.35.88	AS7545 TPG Telecom Limited	`1.86ms` from Melbourne, AU
69.193.30.200	AS11351 Charter Communications Inc	`9.71ms` from New York City, US
52.242.36.72	AS8075 Microsoft Corporation	`0.16ms` from Quebec, CA
179.129.189.40	AS26599 TELEFÔNICA BRASIL S.A	`1.58ms` from São Paulo, BR
61.227.224.40	AS3462 Data Communication Business Group	`4.09ms` from Taichung, TW

Traceroute

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

traceroute -a -n -q1 -f3 137.66.40.205

traceroute to 137.66.40.205 (137.66.40.205): 64 hops max, 52 byte packets

3 [AS137409] 160.202.164.245 0.841 ms

4 [AS40509] 137.66.40.205 0.15 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On March 20th 2026

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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