AS3356 Level 3 Communications, Inc.

Abuse reported against IP addresses announced by autonomous system 3356. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 250 IP addresses in AS3356 Level 3 Communications, Inc. were reported for abuse, in 314 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 United States.

250addresses reported, 30 days

0on the default blocklist (75+)

314reports against them

4 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇺🇸4.17.226.146	74	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	8 h
🇨🇴8.243.166.66	66	12	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking 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	8 h
🇺🇸209.194.41.71	65	10	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking 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	4 h
🇺🇸4.4.96.204	56	7	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	10 h
🇨🇴8.243.73.199	55	6	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking 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	4 h
🇺🇸67.28.67.19	53	8	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
🇺🇸64.152.174.220	53	7	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
🇲🇽8.243.208.38	39	3	Web Spam Port Scan Hacking Bad Web Bot Web App Attack Vulnerability Scan Command & Control	10 h
🇺🇸4.18.177.18	35	3	Phishing Web Spam Email Spam Port Scan Hacking Spoofing Bad Web Bot Mail Server Attack Vulnerability Scan	10 h
🇩🇪195.122.183.2	28	3	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	19 h
🇨🇴8.243.77.226	26	2	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	10 h
🇨🇴8.243.69.122	26	2	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	10 h
🇨🇴8.243.64.241	26	2	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	10 h
🇺🇸4.53.151.27	26	2	DNS Poisoning FTP Brute-Force Phishing Open Proxy Web Spam 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 d
🇺🇸8.9.30.241	18	1	Brute-Force SSH Malware Distribution	10 h
🇺🇸4.4.89.74	18	1	Brute-Force SSH Malware Distribution	10 h
🇨🇦4.35.66.243	18	1	Brute-Force SSH Malware Distribution	10 h
🇺🇸216.161.40.24	18	1	Brute-Force SSH Malware Distribution	10 h
🇩🇪62.67.28.110	14	1	Web Spam Port Scan Bad Web Bot	19 h
🇩🇪195.122.183.171	14	1	Web Spam Port Scan Bad Web Bot	19 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 9 minutes ago.