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Summary

Country	United States
Domain	cloudflare.com
ASN	AS395747
Registry	APNIC
ID	CLOUDFLARE_2400_CB00_1000_36

WHOIS Details

inet6num:       2400:cb00:1000::/36
netname:        CLOUDFLARE_2400_CB00_1000_36
descr:          Cloudflare, Inc.
descr:          101 Townsend Street, San Francisco CA 94107
country:        US
admin-c:        CTC17-AP
tech-c:         CTC17-AP
abuse-c:        AC1914-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-CLOUDFLARE-AP
mnt-irt:        IRT-CLOUDFLARE-AP
last-modified:  2021-01-13T23:48:09Z
source:         APNIC

irt:            IRT-CLOUDFLARE-AP
address:        Cloudflare, Inc.
address:        101 Townsend Street, San Francisco CA 94107
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CTC15-AP
tech-c:         CTC15-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-09-03
remarks:        [email protected] was validated on 2025-09-03
irt-nfy:        [email protected]
notify:         [email protected]
mnt-by:         MAINT-CLOUDFLARE-AP
last-modified:  2025-11-18T00:27:02Z
source:         APNIC

role:           ABUSE CLOUDFLAREAP
country:        ZZ
address:        Cloudflare, Inc.
address:        101 Townsend Street, San Francisco CA 94107
phone:          +000000000
e-mail:         [email protected]
admin-c:        CTC15-AP
tech-c:         CTC15-AP
nic-hdl:        AC1914-AP
remarks:        Generated from irt object IRT-CLOUDFLARE-AP
remarks:        [email protected] was validated on 2025-09-03
remarks:        [email protected] was validated on 2025-09-03
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T17:10:37Z
source:         APNIC

role:           Cloudflare Technical Contact
address:        101 Townsend Street, San Francisco CA 94107
country:        US
phone:          +1-650-319-8930
e-mail:         [email protected]
admin-c:        CTC17-AP
tech-c:         CTC17-AP
nic-hdl:        CTC17-AP
notify:         [email protected]
mnt-by:         MAINT-CLOUDFLARE-AP
last-modified:  2017-09-07T21:57:11Z
source:         APNIC

route6:         2400:cb00:1000::/36
origin:         AS13335
descr:          Cloudflare, Inc. 101 Townsend Street
mnt-by:         MAINT-CLOUDFLARE-AP
last-modified:  2020-06-10T02:03:26Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 2400:cb00:1011::/48

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
128.251.174.192	AS8075 Microsoft Corporation	`0.26ms` from Amsterdam, NL
152.201.227.240	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`3.45ms` from Bogota, CO
170.155.12.48	AS27967 Gobernacion de la Provincia de Buenos Aires	`2.22ms` from Buenos Aires, AR
142.0.247.16	AS19016 Westman Communications Group	`17.80ms` from Chicago, US
154.95.81.0	AS138915 Kaopu Cloud HK Limited	`0.06ms` from Dhaka, BD
18.194.133.0	AS16509 Amazon.com, Inc.	`0.19ms` from Frankfurt am Main, DE
210.123.45.112	AS18176 KOOKMIN UNIVERSITY	`1.70ms` from Incheon, KR
182.178.114.16	AS17557 Pakistan Telecommunication Company Limited	`4.73ms` from Karachi, PK
68.84.125.208	AS7922 Comcast Cable Communications, LLC	`6.73ms` from Morris Plains, US
23.205.144.208	AS16625 Akamai Technologies, Inc.	`0.68ms` from Osaka, JP
59.190.118.128	AS17511 OPTAGE Inc.	`1.97ms` from Osaka, JP
84.202.248.16	AS2119 Telenor Norge AS	`11.37ms` from Oslo, NO
193.16.221.80	AS35280 F5 Networks SARL	`0.41ms` from Paris, FR
98.184.8.80	AS22773 Cox Communications Inc.	`0.75ms` from Phoenix, US
175.17.43.0	AS4837 CHINA UNICOM China169 Backbone	`1.21ms` from Changchun, CN
220.186.80.224	AS4134 CHINANET-BACKBONE	`11.57ms` from Hangzhou, CN
175.241.238.16	AS4766 Korea Telecom	`7.96ms` from Incheon, KR
65.65.35.80	AS7018 AT&T Enterprises, LLC	`8.15ms` from Kansas City, US
144.125.26.160	AS394089 Google LLC	`0.13ms` from Madrid, ES
91.229.209.16	AS48667 AKVILON Ltd.	`10.19ms` from Moscow, RU
183.107.58.192	AS4766 Korea Telecom	`2.96ms` from Seoul, KR
120.109.111.160	AS1659 Taiwan Academic Network (TANet) Information Center	`2.25ms` from Taipei, TW
175.161.93.16	AS4837 CHINA UNICOM China169 Backbone	`1.94ms` from Tieling, CN
27.27.92.64	AS4134 CHINANET-BACKBONE	`5.29ms` from Wuhan, CN
183.172.20.80	AS4538 China Education and Research Network Center	`5.39ms` from Beijing, CN

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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