104.23.240.0/24

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:        noc@cloudflare.com
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:        noc@cloudflare.com
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:        rir@cloudflare.com
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:        abuse@cloudflare.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 104.23.0.0/16

No nearby ranges found.

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

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

IP Address	ASN	Details
104.23.240.4	AS13335 Cloudflare, Inc.	`0.43ms` from Frankfurt am Main, DE

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
184.60.75.152	AS4181 TDS TELECOM	`2.75ms` from Atlanta, US
62.213.205.216	AS8368 Dstny BE N.V.	`0.20ms` from Brussels, BE
71.239.210.56	AS7922 Comcast Cable Communications, LLC	`7.06ms` from Chicago, US
201.201.219.40	AS11830 Instituto Costarricense de Electricidad y Telecom.	`1.28ms` from Curridabat, CR
160.119.218.104	AS328162 Icolo Ltd	`0.82ms` from Mombasa, KE
157.254.78.232	AS9009 M247 Europe SRL	`0.36ms` from New York City, US
81.251.59.120	AS3215 Orange S.A.	`9.47ms` from Paris, FR
189.165.164.8	AS8151 UNINET	`6.17ms` from Santiago de Queretaro, MX
106.251.96.248	AS3786 LG DACOM Corporation	`1.92ms` from Seoul, KR
153.122.155.136	AS131921 GMO GlobalSign Holdings K.K.	`1.11ms` from Tokyo, JP
133.11.72.200	AS2501 The University of Tokyo	`2.13ms` from Tokyo, JP
27.9.213.72	AS4837 CHINA UNICOM China169 Backbone	`2.87ms` from Chongqing, CN
97.98.143.168	AS11427 Charter Communications Inc	`5.40ms` from Dallas, US
99.114.249.24	AS7018 AT&T Enterprises, LLC	`1.94ms` from Dallas, US
23.99.176.168	AS8075 Microsoft Corporation	`0.35ms` from Des Moines, US
90.126.87.8	AS3215 Orange S.A.	`7.34ms` from Frankfurt am Main, DE
14.163.218.56	AS45899 VNPT Corp	`3.06ms` from Hanoi, VN
70.140.152.184	AS7018 AT&T Enterprises, LLC	`18.00ms` from Houston, US
95.6.2.8	AS9121 Turk Telekomunikasyon Anonim Sirketi	`2.21ms` from Istanbul, TR
84.68.182.72	AS5378 Vodafone Limited	`2.65ms` from London, GB
66.129.151.200	AS1403 EBOX	`3.85ms` from Montreal, CA
180.29.233.184	AS4713 NTT DOCOMO BUSINESS,Inc.	`13.90ms` from Osaka, JP
88.162.107.24	AS12322 Free SAS	`10.11ms` from Paris, FR
45.8.40.8	AS209055 W.A.G. PAYMENT SOLUTIONS, A.S.	`1.23ms` from Prague, CZ
111.18.229.8	AS9808 China Mobile Communications Group Co., Ltd.	`9.46ms` from Xi'an, CN

Traceroute

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

traceroute -a -n -q1 -f4 104.23.240.10

traceroute to 104.23.240.10 (104.23.240.10): 64 hops max, 52 byte packets

4 [AS13335] 162.158.84.243 9.35 ms

5 [AS13335] 104.23.240.10 8.231 ms

Measurement taken from

IPinfo ProbeNet in Zuerich, CH

On March 21st 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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