104.19.128.0/20

AS13335 · Cloudflare, Inc.

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Summary

Country	United States
Domain	cloudflare.com
ASN	AS13335
Registry	ARIN
ID	CLOUDFLARENET

WHOIS Details

NetHandle:      NET-104-16-0-0-1
OrgID:          CLOUD14
Parent:         NET-104-0-0-0-0
NetName:        CLOUDFLARENET
NetRange:       104.16.0.0 - 104.31.255.255
NetType:        allocation
Comment:        All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Comment:        Geofeed: https://api.cloudflare.com/local-ip-ranges.csv
RegDate:        2014-03-28
Updated:        2024-09-04
TechHandle:     ADMIN2521-ARIN
AbuseHandle:    ABUSE2916-ARIN
NOCHandle:      NOC11962-ARIN
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:      NOC11962-ARIN
IsRole:         Y
LastName:       NOC
FirstName:      
Street:         101 Townsend Street
City:           San Francisco
State/Prov:     CA
Country:        US
PostalCode:     94107
RegDate:        2011-04-19
Updated:        2025-03-12
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

Nearby Ranges

BGP prefixes that overlap with 104.19.0.0/16

No nearby ranges found.

Hosted domains

There are 379 domain names hosted across 140 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
104.19.129.105	filewiththetaxdivas.com	65
104.19.128.105	ahprovidersurvey.com	56
104.19.143.97	bigrock.com	29
104.19.142.97	bigrock.com	27
104.19.133.4	5qq5.com	17
104.19.138.80	fzutoww.cn	9
104.19.142.99	4chan.org	7
104.19.143.99	4channel.org	7
104.19.136.100	cxny.space	6
104.19.143.170	cuikezxc.cn	5
104.19.133.73	background-note.com	4
104.19.134.73	sheindistributioncorporation.com	4
104.19.139.78	ojbkt.com	4
104.19.138.78	bestnftphotography.com	3
104.19.137.78	withfnd.com	3
104.19.131.97	scoin-one.com	3
104.19.132.219	e5660.cn	3
104.19.130.97	blogapreke.lt	3
104.19.128.5	kywl.eu	3
104.19.142.103	biddating.com	3

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

4,096 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
104.19.137.175	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.135.240	AS13335 Cloudflare, Inc.	`0.12ms` from Lisbon, PT
104.19.143.29	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.142.126	AS13335 Cloudflare, Inc.	`0.13ms` from Yerevan, AM
104.19.134.179	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.132.86	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.141.47	AS13335 Cloudflare, Inc.	`0.13ms` from Yerevan, AM
104.19.139.77	AS13335 Cloudflare, Inc.	`0.12ms` from Lisbon, PT
104.19.130.26	AS13335 Cloudflare, Inc.	`0.13ms` from Yerevan, AM
104.19.138.156	AS13335 Cloudflare, Inc.	`0.13ms` from Yerevan, AM
104.19.129.225	AS13335 Cloudflare, Inc.	`0.13ms` from Yerevan, AM
104.19.128.151	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.140.6	AS13335 Cloudflare, Inc.	`0.12ms` from Yerevan, AM
104.19.133.79	AS13335 Cloudflare, Inc.	`0.13ms` from Lisbon, PT
104.19.136.193	AS13335 Cloudflare, Inc.	`0.12ms` from Yerevan, AM
104.19.131.127	AS13335 Cloudflare, Inc.	`0.12ms` from Lisbon, PT

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
105.111.141.164	AS36947 Telecom Algeria	`13.00ms` from Algiers, DZ
149.97.219.196	AS15830 Equinix (EMEA) Acquisition Enterprises B.V.	`0.35ms` from Ashburn, US
20.141.209.36	AS8070 Microsoft Corporation	`0.58ms` from Boydton, US
189.30.189.148	AS8167 V tal	`1.05ms` from Curitiba, BR
14.215.184.68	AS4134 CHINANET-BACKBONE	`1.88ms` from Guangzhou, CN
119.112.76.244	AS4837 CHINA UNICOM China169 Backbone	`9.09ms` from Liaoyang, CN
83.46.175.52	AS3352 TELEFONICA DE ESPANA S.A.U.	`8.67ms` from Madrid, ES
179.28.45.244	AS6057 Administracion Nacional de Telecomunicaciones	`16.63ms` from Montevideo, UY
123.223.220.20	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.91ms` from Osaka, JP
18.228.181.4	AS16509 Amazon.com, Inc.	`0.14ms` from Osasco, BR
46.19.122.84	AS8723 ITS INTEGRA SAS	`0.58ms` from Paris, FR
75.192.173.36	AS6167 Verizon Business	`12.95ms` from Philadelphia, US
27.210.160.84	AS4837 CHINA UNICOM China169 Backbone	`1.97ms` from Qingdao, CN
106.10.188.52	AS56173 internet content provider	`0.71ms` from Singapore, SG
13.239.162.52	AS16509 Amazon.com, Inc.	`0.10ms` from Sydney, AU
20.28.191.212	AS8075 Microsoft Corporation	`0.72ms` from Sydney, AU
31.168.135.132	AS8551 Bezeq International Ltd.	`0.30ms` from Tel Aviv, IL
4.216.132.4	AS8075 Microsoft Corporation	`0.14ms` from Tokyo, JP
164.191.186.20	AS668 United States Department of Defense (DoD)	`0.52ms` from Atlanta, US
44.255.231.116	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
67.7.180.132	AS393789 CenturyLink Communications, LLC	`5.17ms` from Dallas, US
112.90.7.212	AS136958 China Unicom Guangdong IP network	`4.28ms` from Guangzhou, CN
78.27.102.4	AS16086 DNA Oyj	`0.83ms` from Helsinki, FI
148.204.160.164	AS3484 Instituto Politecnico Nacional	`1.99ms` from Mexico City, MX
70.38.89.164	AS32613 Leaseweb Canada Inc.	`1.01ms` 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 -f5 104.19.130.94

traceroute to 104.19.130.94 (104.19.130.94): 64 hops max, 52 byte packets

5 [AS8932] 185.48.241.25 1.241 ms

6 [AS13335] 104.19.130.94 0.179 ms

Measurement taken from

IPinfo ProbeNet in Yerevan, AM

On November 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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