AS5610 O2 Czech Republic, a.s.

Abuse reported against IP addresses announced by autonomous system 5610. If you run this network, the addresses below are a good place to start an abuse investigation.

In the last 30 days, 22 IP addresses in AS5610 O2 Czech Republic, a.s. were reported for abuse, in 94 reports altogether. None of them has a confidence score high enough for the default blocklist yet. The most common reasons were Port Scan, Web Spam and Bad Web Bot. Most of them are in Czechia.

22addresses reported, 30 days

0on the default blocklist (75+)

94reports against them

4 hsince the latest report

Most reported addresses

Address	Score	Reports	Categories	Last seen
🇨🇿83.208.70.70	56	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	14 h
🇨🇿88.100.149.86	52	14	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking SQL Injection Spoofing Bad Web Bot Exploited Host SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	4 h
🇨🇿88.100.26.164	52	5	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking SQL Injection Spoofing Bad Web Bot Exploited Host SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	12 h
🇨🇿90.182.61.77	42	6	DNS Poisoning Web Spam Port Scan Hacking SQL Injection Bad Web Bot Exploited Host SSH Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	23 h
🇨🇿85.160.86.11	36	8	DNS Poisoning Phishing Web Spam Email Spam Port Scan Hacking SQL Injection Spoofing Bad Web Bot Exploited Host SSH Mail Server Attack Vulnerability Scan Malware Distribution Command & Control API Abuse Fake Accounts Telnet Abuse	14 h
🇨🇿85.70.45.245	29	6	Web Spam Port Scan Brute-Force Bad Web Bot SSH Malware Distribution	8 h
🇨🇿109.80.19.38	26	5	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	23 h
🇨🇿90.181.248.227	24	4	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	14 h
🇨🇿88.100.203.174	24	3	Web Spam Port Scan Hacking Bad Web Bot Vulnerability Scan	14 h
🇨🇿88.103.194.84	18	3	Brute-Force SSH Malware Distribution	8 h
🇨🇿109.81.82.90	14	2	Web Spam Port Scan Bad Web Bot	17 h
🇨🇿90.182.147.170	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿90.178.216.215	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿90.176.67.60	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿88.102.216.20	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿88.101.187.114	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿88.101.101.227	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿83.208.74.7	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿85.71.26.28	14	3	Web Spam Port Scan Bad Web Bot	23 h
🇨🇿90.182.44.1	13	1	Web Spam Port Scan Bad Web Bot	41 h

What they were reported for

Where they are

🇨🇿 Czechia22

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 42 minutes ago.