AS45903 CMC Telecom Infrastructure Company

Abuse reported against IP addresses announced by autonomous system 45903. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 36 IP addresses in AS45903 CMC Telecom Infrastructure Company were reported for abuse, in 268 reports altogether. 1 of them (2%) has a confidence score of 75 or more and is on the default blocklist. The most common reasons were Port Scan, Web Spam and Bad Web Bot. Most of them are in Vietnam.

36addresses reported, 30 days

1on the default blocklist (75+)

268reports against them

3 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇻🇳203.205.37.233	78	35	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	3 h
🇻🇳183.91.11.36	69	28	Web Spam Port Scan Hacking Brute-Force Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	9 h
🇻🇳202.134.23.229	66	23	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	3 h
🇻🇳101.99.37.80	60	27	Web Spam Port Scan Hacking Bad Web Bot Web App Attack SSH Vulnerability Scan Command & Control	9 h
🇻🇳203.205.47.112	59	25	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	3 h
🇻🇳183.91.2.158	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	7 h
🇻🇳203.205.26.189	39	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	7 h
🇻🇳183.91.29.92	37	6	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	31 h
🇻🇳42.96.40.221	35	10	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	19 h
🇻🇳101.99.37.141	30	10	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	19 h
🇻🇳113.20.108.35	25	7	Web Spam Port Scan Bad Web Bot SSH	43 h
🇻🇳101.99.14.88	24	1	FTP Brute-Force Phishing Open Proxy Web Spam Brute-Force Web App Attack Command & Control HTTP Flood	2 d
🇻🇳42.96.43.25	18	6	Brute-Force SSH Malware Distribution	3 h
🇻🇳203.171.21.222	18	6	Brute-Force SSH Malware Distribution	3 h
🇻🇳101.99.32.118	18	6	Brute-Force SSH Malware Distribution	3 h
🇻🇳203.171.25.214	18	5	Web Spam Port Scan Bad Web Bot	13 h
🇻🇳203.205.52.217	18	6	Web Spam Port Scan Bad Web Bot	13 h
🇻🇳101.99.32.140	17	4	Web Spam Port Scan Bad Web Bot	15 h
🇻🇳42.96.43.148	17	6	Web Spam Port Scan Bad Web Bot	15 h
🇻🇳42.96.47.163	17	6	Web Spam Port Scan Bad Web Bot	19 h

What they were reported for

Where they are

🇻🇳 Vietnam36

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 21 minutes ago.