AS28573 Claro NXT Telecomunicacoes Ltda

Abuse reported against IP addresses announced by autonomous system 28573. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 288 IP addresses in AS28573 Claro NXT Telecomunicacoes Ltda were reported for abuse, in 1,007 reports altogether. 2 of them (0%) have a confidence score of 75 or more and are on the default blocklist. The most common reasons were Bad Web Bot, Web Spam and Port Scan. Most of them are in Brazil.

288addresses reported, 30 days

2on the default blocklist (75+)

1,007reports against them

2 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇧🇷191.178.223.110	78	19	DNS Poisoning Web Spam Port Scan Hacking SQL Injection Bad Web Bot Exploited Host Web App Attack SSH Credential Stuffing Vulnerability Scan Malware Distribution Command & Control API Abuse Database Attack HTTP Flood Fake Accounts Telnet Abuse	12 h
🇧🇷179.218.63.2	77	14	DNS Poisoning Web Spam Port Scan Hacking SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	12 h
🇧🇷201.17.208.212	71	13	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	10 h
🇧🇷189.101.75.145	71	15	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	10 h
🇧🇷191.180.161.164	70	14	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	12 h
🇧🇷179.216.16.184	70	14	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	12 h
🇧🇷201.17.133.138	69	19	Web Spam Port Scan Hacking Brute-Force Bad Web Bot Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control	4 h
🇧🇷186.218.127.36	67	18	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	4 h
🇧🇷201.17.146.173	62	16	Web Spam Port Scan Hacking Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	4 h
🇧🇷181.218.172.74	62	16	Web Spam Port Scan Hacking Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	4 h
🇧🇷191.190.126.82	62	12	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	6 h
🇧🇷181.217.162.239	61	13	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	10 h
🇧🇷177.81.17.77	58	7	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	2 d
🇧🇷201.81.235.125	55	11	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	10 h
🇧🇷187.255.14.109	54	6	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	4 h
🇧🇷177.33.84.232	54	11	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	4 h
🇧🇷177.182.208.117	54	11	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	4 h
🇧🇷177.140.217.16	54	9	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	18 h
🇧🇷186.218.184.167	53	6	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Port Scan SQL Injection Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	16 h
🇧🇷179.157.216.221	52	6	DNS Poisoning Web Spam Port Scan SQL Injection Bad Web Bot Exploited Host SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	34 h

What they were reported for

Where they are

🇧🇷 Brazil288

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 16 minutes ago.