1. All IP Ranges
  2. 8.0.0.0/8
  3. 8.21.0.0/16
  4. AS13335  | 8.21.9.0/24

8.21.9.0/24

AS13335  ·  Cloudflare, Inc.

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Summary

Country United States
Domain cloudflare.com
ASN AS13335
Parent Range 8.0.0.0/8
Registry ARIN
ID LPL-141-CLOUD14-8-21-9

WHOIS Details

NetHandle:      NET-8-21-9-0-1
OrgID:          CLOUD14
Parent:         NET-8-8-9-0-3
NetName:        LPL-141-CLOUD14-8-21-9
NetRange:       8.21.9.0 - 8.21.9.255
NetType:        reassignment
RegDate:        2019-05-21
Updated:        2023-12-28
Source:         ARIN


OrgID:          CLOUD14
OrgName:        Cloudflare, Inc.
CanAllocate:    
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2010-07-09
Updated:        2024-11-25
OrgAdminHandle: ADMIN2521-ARIN
OrgTechHandle:  ADMIN2521-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgNOCHandle:   CLOUD146-ARIN
OrgRoutingHandle:   CLOUD146-ARIN
Source:         ARIN


POCHandle:      ABUSE2916-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-02-14
Updated:        2024-09-04
OfficePhone:    +1-650-319-8930
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      CLOUD146-ARIN
IsRole:         Y
LastName:       Cloudflare-NOC
FirstName:      
Street:         101 Townsend St
City:           San Francsico
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2021-07-01
Updated:        2025-08-20
OfficePhone:    +1-650-319-8930
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ADMIN2521-ARIN
IsRole:         Y
LastName:       Admin
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-04-19
Updated:        2025-06-12
OfficePhone:    +1-650-319-8930
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 8.21.9.0/24

Range ASN Company Num of IPs
8.0.0.0/8 AS15964 American Registry for Internet Numbers 16,777,216

Nearby Ranges

BGP prefixes that overlap with 8.21.0.0/16

Range ASN Company Num of IPs
8.0.0.0/8 AS15964 American Registry for Internet Numbers 16,777,216
8.21.68.0/22 AS40526 Gap, Inc. Direct 1,024
8.21.208.0/23 AS23089 Hotwire Communications 512
8.21.220.0/23 AS23089 Hotwire Communications 512
8.21.222.0/23 AS23089 Hotwire Communications 512
8.21.8.0/24 AS13335 Cloudflare, Inc. 256
8.21.143.0/24 AS136796 Daytona Net Works, Inc. 256
8.21.41.0/24 AS16276 OVH Hosting, Inc. 256
8.21.99.0/24 AS16493 Abercrombie & Fitch 256
8.21.83.0/24 AS20353 Adage Capital Partners, LLC 256
8.21.81.0/24 AS22147 TowardEX Technologies International, Inc. 256
8.21.218.0/24 AS23089 Hotwire Communications 256
8.21.230.0/24 AS23089 Hotwire Communications 256
8.21.51.0/24 AS23304 Rackco.com 256
8.21.164.0/24 AS32308 Contactual, Inc. 256
8.21.234.0/24 AS32746 WBS Connect, LLC 256
8.21.212.0/24 AS33740 TMG Health, Inc 256
8.21.151.0/24 AS393762 Restaurant Supply Chain Solutions, LLC 256
8.21.14.0/24 AS394161 Tesla Motors, Inc. 256
8.21.12.0/24 AS395747 Cloudflare, Inc. 256
8.21.227.0/24 AS396146 Therap Services 256
8.21.98.0/24 AS397336 Virtual Sprout 256
8.21.24.0/24 AS397756 PowerSchool 256
8.21.10.0/24 AS13335 Cloudflare, Inc. 256
8.21.129.0/24 AS55136 CARLTON FIELDS, P.A. 256
8.21.110.0/24 AS13335 Cloudflare, Inc. 256
8.21.111.0/24 AS13335 Cloudflare, Inc. 256
8.21.13.0/24 AS13335 Cloudflare, Inc. 256
8.21.239.0/24 AS13335 Cloudflare, Inc. 256

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
8.21.9.1 AS13335 Cloudflare, Inc. 0.80ms from Milan, IT

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
73.218.166.200 AS7922 Comcast Cable Communications, LLC 10.11ms from Boston, US
70.72.205.120 AS6327 Shaw Communications 4.65ms from Calgary, CA
3.150.55.184 AS16509 Amazon.com, Inc. 0.18ms from Columbus, US
72.129.205.136 AS7843 Charter Communications Inc 14.71ms from Dallas, US
72.178.5.72 AS11427 Charter Communications Inc 17.63ms from Houston, US
99.191.95.232 AS7018 AT&T Enterprises, LLC 5.93ms from Redding, US
43.133.77.24 AS132203 Tencent Building, Kejizhongyi Avenue 0.78ms from Seoul, KR
203.234.140.200 AS4766 Korea Telecom 1.81ms from Seoul, KR
219.241.124.88 AS9318 SK Broadband Co Ltd 2.34ms from Seoul, KR
85.65.168.104 AS1680 Cellcom Fixed Line Communication L.P 2.55ms from Tel Aviv, IL
222.7.100.8 AS2516 KDDI CORPORATION 5.42ms from Tokyo, JP
171.214.186.56 AS4134 CHINANET-BACKBONE 1.69ms from Chengdu, CN
64.31.50.72 AS46475 Limestone Networks, Inc. 0.28ms from Dallas, US
172.119.142.24 AS20001 Charter Communications Inc 6.45ms from Los Angeles, US
176.148.105.88 AS5410 Bouygues Telecom SA 4.76ms from Marseille, FR
88.34.90.40 AS3269 Telecom Italia S.p.A. 3.87ms from Milan, IT
172.14.108.8 AS7018 AT&T Enterprises, LLC 6.18ms from San Antonio, US
99.106.254.88 AS7018 AT&T Enterprises, LLC 10.75ms from San Jose, US
27.234.140.216 AS4766 Korea Telecom 2.09ms from Seoul, KR
153.34.15.200 AS4837 CHINA UNICOM China169 Backbone 4.57ms from Shanghai, CN
181.123.231.152 AS23201 Telecel S.A. 7.97ms from Asuncion, PY
222.29.93.8 AS4538 China Education and Research Network Center 3.57ms from Beijing, CN
67.189.142.184 AS7922 Comcast Cable Communications, LLC 10.35ms from Boston, US
175.47.130.40 AS17968 Daqing zhongji petroleum telecommunication construction limited cpmpany 10.73ms from Changchun, CN
71.129.155.152 AS7018 AT&T Enterprises, LLC 5.92ms from Chicago, US

Traceroute

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

$
traceroute -a -n -q1 8.21.9.1
traceroute to 8.21.9.1 (8.21.9.1): 64 hops max, 52 byte packets
1 [AS202422] 92.223.79.2 0.102 ms
2 [AS199524] 45.82.101.2 0.132 ms
3 *
4 [] 217.29.66.167 0.967 ms
5 [AS13335] 8.21.9.1 0.842 ms
Measurement taken from IPinfo ProbeNet in Milan, IT
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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