1. All IP Ranges
  2. 204.0.0.0/8
  3. 204.8.0.0/16
  4. AS40509  | 204.8.221.0/24

204.8.221.0/24

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-204-8-216-0-1
OrgID:          FLYIO
Parent:         NET-204-0-0-0-0
NetName:        FLYIO
NetRange:       204.8.216.0 - 204.8.223.255
NetType:        allocation
RegDate:        2022-12-19
Updated:        2022-12-19
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:      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


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

Nearby Ranges

BGP prefixes that overlap with 204.8.0.0/16

Range ASN Company Num of IPs
204.8.224.0/21 AS32890 Beehive Broadband, LLC 2,048
204.8.152.0/21 AS10961 Boston University 2,048
204.8.248.0/21 AS13750 Transaction Network Services, Inc. 2,048
204.8.136.0/21 AS19740 ClearDemand 2,048
204.8.8.0/21 AS11525 Hancock Internet 2,048
204.8.192.0/21 AS31950 Data Network Solutions 2,048
204.8.120.0/21 AS16509 Amazon.com, Inc. 2,048
204.8.160.0/21 AS54240 Rochelle Municipal Utilities 2,048
204.8.44.0/22 AS30513 DYNAMIC INTERNET 1,024
204.8.84.0/22 AS32365 City of Sandy 1,024
204.8.240.0/22 AS32782 Stratos Global Services, LLC 1,024
204.8.100.0/22 AS18914 ETS TELECOM 1,024
204.8.52.0/22 AS15305 Syringa Networks, LLC 1,024
204.8.108.0/22 AS18914 ETS TELECOM 1,024
204.8.48.0/22 AS20940 Akamai Technologies, Inc. 1,024
204.8.64.0/22 AS22581 Broadband VI, LLC 1,024
204.8.36.0/22 AS26017 Bettendorf Public Library 1,024
204.8.60.0/22 AS26223 Silver Star Communications 1,024
204.8.68.0/22 AS26223 Silver Star Communications 1,024
204.8.20.0/22 AS398765 TEPA Connect LLC 1,024
204.8.92.0/22 AS398765 TEPA Connect LLC 1,024
204.8.116.0/22 AS400238 PIE&G 1,024
204.8.76.0/22 AS400238 PIE&G 1,024
204.8.80.0/22 AS49033 Critical Core BV 1,024
204.8.96.0/22 AS62744 Quintex Alliance Consulting 1,024
204.8.178.0/23 AS397941 HCC Service Company INC 512
204.8.236.0/24 AS395664 Altius Institute for Biomedical Sciences 256
204.8.180.0/24 AS396077 UDR 256
204.8.170.0/24 AS54516 T3 Trading Group LLC 256
204.8.237.0/24 AS55286 HYAS 256
204.8.176.0/24 AS399378 Stratford Mutual Telephone Company 256
204.8.181.0/24 AS399378 Stratford Mutual Telephone Company 256
204.8.235.0/24 AS62958 Everon, LLC 256
204.8.99.0/24 AS62744 The Tor Project, Inc. 256
204.8.2.0/24 AS400591 Services Telecommunications Wemotaci 256
204.8.3.0/24 AS400591 Services Telecommunications Wemotaci 256
204.8.232.0/24 AS62821 MNX Solutions LLC 256
204.8.239.0/24 AS22772 Intelium Corp. 256
204.8.204.0/24 AS328165 Banco de Investimento Rural, S.A 256
204.8.207.0/24 AS328221 CORALPAY TECHNOLOGY (NIGERIA) LIMITED 256
204.8.205.0/24 AS328241 EXMILE TECHNOLOGIES (PTY) LTD 256
204.8.238.0/24 AS23545 Centric Fiber Florida 256
204.8.226.0/24 AS32890 COLO and CUSTOMER NETWORKS 256
204.8.234.0/24 AS395412 VS Media Inc. 256
204.8.233.0/24 AS395338 RBC Convention Centre Winnipeg 256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
204.8.221.113 pacewicz.pl 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

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

IP Address ASN Details
204.8.221.121 AS40509 Fly.io, Inc. 0.35ms from New York City, US

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
182.69.29.232 AS24560 Bharti Airtel Ltd., Telemedia Services 2.80ms from Ahmedabad, IN
173.72.140.152 AS701 Verizon Business 3.21ms from Ashburn, US
223.157.96.56 AS4134 CHINANET-BACKBONE 4.51ms from Changsha, CN
24.127.143.88 AS7922 Comcast Cable Communications, LLC 6.85ms from Flint, US
119.41.28.104 AS4134 CHINANET-BACKBONE 4.57ms from Haikou, CN
45.64.54.104 AS152194 CTG Server Limited 0.54ms from Hong Kong, HK
109.110.224.104 AS35432 Cablenet Communication Systems plc 6.19ms from Limassol, CY
45.51.101.40 AS20001 Charter Communications Inc 3.77ms from Los Angeles, US
14.132.4.152 AS18126 Chubu Telecommunications Company, Inc. 4.58ms from Osaka, JP
170.248.91.8 AS21433 Accenture UK Limited 8.62ms from Osaka, JP
4.155.140.168 AS8075 Microsoft Corporation 0.28ms from Quincy, US
3.227.213.104 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
79.52.97.184 AS3269 Telecom Italia S.p.A. 16.71ms from Rome, IT
201.123.240.168 AS8151 UNINET 9.74ms from Santiago de Queretaro, MX
189.239.140.184 AS8151 UNINET 3.77ms from Santiago de Queretaro, MX
70.79.158.40 AS6327 Shaw Communications 7.80ms from Seattle, US
115.15.39.88 AS4766 Korea Telecom 6.56ms from Seoul, KR
35.90.242.200 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
156.216.44.216 AS8452 TE-AS 6.66ms from Cairo, EG
84.149.46.168 AS3320 Deutsche Telekom AG 4.69ms from Duesseldorf, DE
182.185.177.168 AS17557 Pakistan Telecommunication Company Limited 1.95ms from Lahore, PK
18.133.104.152 AS16509 Amazon.com, Inc. 0.18ms from London, GB
80.189.36.152 AS6871 Plusnet 2.53ms from London, GB
173.249.219.56 AS11878 tzulo, inc. 0.21ms from Los Angeles, US
198.168.16.40 AS11489 Bell Canada 4.70ms from Montreal, CA

Traceroute

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

$
traceroute -a -n -q1 -f4 204.8.221.133
traceroute to 204.8.221.133 (204.8.221.133): 64 hops max, 52 byte packets
4 [AS7922] 96.110.34.34 41.508 ms
5 [AS7922] 96.87.9.42 39.801 ms
Measurement taken from IPinfo ProbeNet in Denver, US
On

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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