Cloudflare is a domain name registrar with IANA Registrar ID: 1910.
Found a phishing site (or other fraudulent/malicious content) being hosted by Cloudflare? The best way to report a URL to Cloudflare is to use their abuse reporting form at:
Report phishing to Cloudflare
Reporting a malicious domain registered with Cloudflare
Reporting a fraudulent website hosted by Cloudflare
Cloudflare is also a hosting provider. Their Autonomous System (AS) Numbers are: 13335, 209242.
Found a phishing site (or other fraudulent/malicious content) registered with Cloudflare? The best way to report a URL to Cloudflare is to use their abuse reporting form at:
WHOIS information for Cloudflare
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
ASNumber: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335
OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/CLOUD14
OrgRoutingHandle: CLOUD146-ARIN
OrgRoutingName: Cloudflare-NOC
OrgRoutingPhone: +1-650-319-8930
OrgRoutingEmail: noc@cloudflare.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN
OrgNOCHandle: CLOUD146-ARIN
OrgNOCName: Cloudflare-NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN
OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN
RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN
RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
% Query time: 922 msec
% WHEN: Thu Oct 30 13:54:05 UTC 2025
Reporting a fraudulent website abusing the Cloudflare platform
Cloudflare is also a platform provider, hosting content on their own domain names on behalf of their users.
Found a phishing site (or other fraudulent/malicious content) registered with Cloudflare? The best way to report a URL to Cloudflare is to use their abuse reporting form at:
Who is Cloudflare?
At Cloudflare, we have our eyes set on an ambitious goal — to help build a better Internet. We believe that with our talented team, smart technology and engaged users we can solve some of the biggest problems on the Internet. Just how big? Anytime we push code, it automatically affects approximately 25 million Internet properties. Every day, thousands of new customers sign up for Cloudflare service. We serve 25 million HTTP requests per second on average. We serve data from 200 cities in over 100 countries around the world.