AS211680 NSEC - Sistemas Informaticos, S.A.

Abuse reported against IP addresses announced by autonomous system 211680. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 562 IP addresses in AS211680 NSEC - Sistemas Informaticos, S.A. were reported for abuse, in 6,980 reports altogether. 75 of them (13%) have a confidence score of 75 or more and are on the default blocklist. The most common reasons were Port Scan, Web Spam and Bad Web Bot. Most of them are in United States.

562addresses reported, 30 days

75on the default blocklist (75+)

6,980reports against them

2 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇳🇱45.156.128.63	87	32	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇳🇱45.156.128.76	86	37	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.85	83	29	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	10 h
🇺🇸45.156.129.87	83	29	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	11 h
🇺🇸45.156.129.88	82	33	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇳🇱45.156.128.54	82	29	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.75	81	31	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	2 h
🇳🇱45.156.128.96	81	28	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	3 h
🇳🇱45.156.128.101	81	24	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.101	80	30	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	3 h
🇺🇸45.156.129.91	80	31	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.82	80	31	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.76	80	30	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	7 h
🇺🇸45.156.129.65	80	28	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	10 h
🇺🇸45.156.129.100	79	27	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	3 h
🇳🇱45.156.128.79	79	27	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	8 h
🇳🇱45.156.128.61	79	32	DNS Poisoning FTP Brute-Force Phishing VoIP Fraud Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	10 h
🇺🇸45.156.129.178	79	25	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	11 h
🇺🇸45.156.129.60	79	25	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam Email Spam Port Scan Hacking SQL Injection Spoofing Brute-Force Bad Web Bot Exploited Host Web App Attack SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse HTTP Flood Fake Accounts Telnet Abuse	11 h
🇳🇱45.156.128.163	78	23	DNS Poisoning FTP Brute-Force Phishing Open Proxy 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 HTTP Flood Fake Accounts Telnet Abuse	3 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 25 minutes ago.