AS13335 Cloudflare, Inc.

Abuse reported against IP addresses announced by autonomous system 13335. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 426 IP addresses in AS13335 Cloudflare, Inc. were reported for abuse, in 1,009 reports altogether. None of them has a confidence score high enough for the default blocklist yet. The most common reasons were Bad Web Bot, Web Spam and Port Scan. Most of them are in Canada.

426addresses reported, 30 days

0on the default blocklist (75+)

1,009reports against them

1 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇧🇷177.104.140.2	73	9	Web Spam Port Scan Hacking Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control Database Attack HTTP Flood	4 h
🇱🇷104.28.201.73	71	11	FTP Brute-Force Web Spam Port Scan Hacking Brute-Force Bad Web Bot Web App Attack SSH Credential Stuffing Vulnerability Scan Command & Control	5 h
🇨🇦104.28.246.147	69	9	DNS Poisoning FTP Brute-Force Web Spam Port Scan Hacking SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.152.170	67	11	DNS Poisoning Web Spam Port Scan Hacking SQL Injection Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.254.16	65	9	DNS Poisoning FTP Brute-Force Web Spam Port Scan Hacking SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇱🇷104.28.233.73	60	9	FTP Brute-Force Web Spam Port Scan Hacking Brute-Force Bad Web Bot Web App Attack Credential Stuffing Vulnerability Scan Command & Control	5 h
🇨🇦104.28.222.16	58	10	DNS Poisoning FTP Brute-Force Phishing Web Spam Email Spam Port Scan Hacking SQL Injection Spoofing Brute-Force Bad Web Bot Exploited Host SSH Mail Server Attack Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.222.18	54	7	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.214.113	54	7	Web Spam Port Scan Hacking Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	5 h
🇨🇦104.28.246.148	53	6	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇺🇸104.28.153.185	53	6	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.214.148	53	7	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇿104.28.239.218	52	7	DNS Poisoning Phishing Web Spam Email Spam Port Scan SQL Injection Spoofing Bad Web Bot Exploited Host Web App Attack SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇭🇳104.28.219.140	51	7	DNS Poisoning Phishing Web Spam Email Spam Port Scan SQL Injection Spoofing Bad Web Bot Exploited Host Web App Attack SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.246.113	50	6	Web Spam Port Scan Hacking Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	5 h
🇨🇦104.28.158.44	48	5	DNS Poisoning Web Spam Port Scan SQL Injection Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.196.54	47	8	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.160.219	47	4	DNS Poisoning Web Spam Port Scan SQL Injection Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	19 h
🇨🇦104.28.222.43	46	8	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h
🇨🇦104.28.214.151	46	8	DNS Poisoning FTP Brute-Force Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	5 h

What they were reported for

Where they are

Block them

The blocklist holds every address with a confidence of 75 or more, in nine formats for firewalls, web servers and SIEMs. Download it with a free API key:

curl -s "https://isipsafe.com/api/v1/blocklist?key=$ISIPSAFE_KEY&format=txt"

See the integration guides for nginx, fail2ban, pfSense, MikroTik and more, or the API reference.

Figures cover the last 30 days and are refreshed hourly; last updated 50 minutes ago.