8.21.10.0/24

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-CLOUD14-8-21-10

WHOIS Details

NetHandle:      NET-8-21-10-0-1
OrgID:          CLOUD14
Parent:         NET-8-8-9-0-3
NetName:        LPL-141-CLOUD14-8-21-10
NetRange:       8.21.10.0 - 8.21.10.255
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:      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


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

Overlapping Ranges

BGP prefixes that contain 8.21.10.0/24

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
8.21.222.0/23 AS23089 Hotwire Communications 512
8.21.208.0/23 AS23089 Hotwire Communications 512
8.21.220.0/23 AS23089 Hotwire Communications 512
8.21.8.0/24 AS13335 Cloudflare, Inc. 256
8.21.9.0/24 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
8.21.230.0/24 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
8.21.218.0/24 AS23089 Hotwire Communications 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
8.21.129.0/24 AS55136 CARLTON FIELDS, P.A. 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

Pingable IPs

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

IP Address ASN Details
8.21.10.2 AS13335 Cloudflare, Inc. 0.50ms from Amsterdam, NL

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
188.201.106.88 AS1136 KPN B.V. 13.59ms from Amsterdam, NL
75.138.83.152 AS20115 Charter Communications LLC 7.34ms from Atlanta, US
117.50.216.200 AS23724 IDC, China Telecommunications Corporation 6.64ms from Beijing, CN
27.7.11.168 AS17488 Hathway IP Over Cable Internet 1.06ms from Bengaluru, IN
44.227.204.168 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
34.244.40.200 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
79.55.242.72 AS3269 Telecom Italia S.p.A. 6.95ms from Milan, IT
64.121.19.24 AS6079 RCN 6.14ms from Philadelphia, US
178.212.33.40 AS141995 Contabo Asia Private Limited 0.11ms from Tokyo, JP
69.156.97.216 AS577 Bell Canada 2.48ms from Toronto, CA
95.171.212.120 AS39507 Biznes Swiatlowodem Sp. z o.o. 6.53ms from Warsaw, PL
84.72.85.72 AS6730 Sunrise GmbH 4.05ms from Zuerich, CH
78.87.242.136 AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 12.05ms from Athens, GR
71.232.194.216 AS7922 Comcast Cable Communications, LLC 8.70ms from Boston, US
5.204.121.168 AS213155 Yettel Hungary Ltd. 14.59ms from Budapest, HU
92.76.7.168 AS3209 Vodafone GmbH 8.00ms from Frankfurt am Main, DE
87.157.193.216 AS3320 Deutsche Telekom AG 2.63ms from Frankfurt am Main, DE
34.92.163.184 AS396982 Google LLC 0.11ms from Hong Kong, HK
34.74.6.24 AS396982 Google LLC 0.16ms from Moncks Corner, US
69.126.82.136 AS6128 Cablevision Systems Corp. 2.69ms from Piscataway, US
90.178.241.24 AS5610 O2 Czech Republic, a.s. 3.68ms from Prague, CZ
91.122.17.168 AS12389 PJSC Rostelecom 1.90ms from Saint Petersburg, RU
110.9.50.184 AS9318 SK Broadband Co Ltd 1.75ms from Seoul, KR
217.209.209.168 AS3301 Telia Company AB 8.68ms from Stockholm, SE
126.75.86.136 AS17676 SoftBank Corp. 4.53ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 8.21.10.1
traceroute to 8.21.10.1 (8.21.10.1): 64 hops max, 52 byte packets
2 [] 84.17.33.138 0.17 ms
3 [] 169.150.195.201 15.328 ms
5 [AS13335] 8.21.10.1 0.712 ms
Measurement taken from IPinfo ProbeNet in Amsterdam, NL
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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