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138.186.196.48

Recent Activity

Abuse confidence score ?

76% Critical

54 reports

32 reporters · latest 1 day ago

ISP	NAVG TELECOMUNICACOES EIRELI - ME
Usage Type	Fixed Line ISP
ASN	AS263869
Hostname(s)	138-186-196-48.dynamic.navg.com.br
Domain Name	navg.com.br
Country	🇧🇷 Brazil
City	Americana, Sao Paulo

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IP Abuse Reports for 138.186.196.48

This IP address has been reported a total of 54 times from 32 distinct sources. 138.186.196.48 was first reported on August 2nd 2026, and the most recent report was 1 day ago. In the last 60 days, the top reporter locations were: Germany with 14 reports; Indonesia with 9 reports; Uruguay with 8 reports. The most common categories in these recent reports were: Brute-Force 43 times; Hacking 12 times; Web App Attack 9 times; Email Spam 6 times; Port Scan 4 times; Other 3 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇮🇩 sockominfo	2026-09-27 05:00:53 (1 day ago)	Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.1/10 (MEDIUM). Confide ... show more Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.1/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L. Bayesian Probability: 77%. MITRE ATT&CK: T1566 (Phishing). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack
🇮🇩 sockominfo	2026-09-27 04:00:53 (1 day ago)	Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.2/10 (MEDIUM). Confide ... show more Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.2/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L. Bayesian Probability: 77%. MITRE ATT&CK: T1566 (Phishing). Tactic: TA0001. Freshness: Very Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack
🇮🇩 sockominfo	2026-09-27 03:00:09 (1 day ago)	Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 5.7/10 (MEDIUM). Reporte ... show more Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 5.7/10 (MEDIUM). Reported by TangerangKota-CSIRT show less	Hacking Web App Attack
🇵🇾 SecOpsSL	2026-09-26 18:55:31 (2 days ago)	2026-09-26 15:55:30,600 WARN [ImapSSLServer-2184] [ip=192.168.0.25;oip=138.186.196.48;via=192.168.0 ... show more 2026-09-26 15:55:30,600 WARN [ImapSSLServer-2184] [ip=192.168.0.25;oip=138.186.196.48;via=192.168.0.25(nginx/1.20.0);ua=Zimbra/8.8.15_GA_4717;cid=37362;] security - cmd=Auth; [email protected]; protocol=imap; error=authentication failed for [[email protected]], invalid password; show less	Email Spam Brute-Force
🇩🇪 IP Analyzer	2026-09-26 05:30:06 (2 days ago)	Unauthorized connection attempt from IP address 138.186.196.48 on Port 143(IMAP)	Port Scan
🇸🇰 Schomburg	2026-09-24 17:36:58 (4 days ago)	RdpGuard detected brute-force attempt on POP3	Brute-Force
Anonymous	2026-09-24 16:30:59 (4 days ago)	Failed login attempt detected by Fail2Ban in plesk-dovecot jail	Brute-Force
🇩🇪 FeG Deutschland	2026-09-24 03:44:03 (4 days ago)	Mail: - login with unknown user - bruteforce	Brute-Force
🇩🇪 FeG Deutschland	2026-09-18 15:56:05 (1 week ago)	Mail: - login with unknown user - bruteforce	Brute-Force
Anonymous	2026-09-18 12:47:46 (1 week ago)	fail2ban: brute-force/credential spraying against mail (IMAP/POP/webmail) — rmnet.it	Brute-Force
🇮🇹 www.tana.it	2026-09-16 03:19:12 (1 week ago)	dictionary attack	Brute-Force
🇩🇪 FeG Deutschland	2026-09-15 06:34:04 (1 week ago)	Mail: - login with unknown user - bruteforce	Brute-Force
🇩🇪 DyhnenTv	2026-09-12 23:53:06 (2 weeks ago)	CrowdSec mailserver: crowdsecurity/dovecot-spam	Brute-Force Email Spam
🇬🇧 Shepley	2026-09-12 07:36:11 (2 weeks ago)	RdpGuard detected brute-force attempt on IMAP	Brute-Force
🇮🇩 sockominfo	2026-09-11 18:00:53 (2 weeks ago)	Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.3/10 (MEDIUM). Confide ... show more Email: Login failures from Bad Reputation IP: 138.186.196.48. Threat Score: 6.3/10 (MEDIUM). Confidence: 40%. CVSS v3.1: 4.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L. Bayesian Probability: 68%. MITRE ATT&CK: T1566 (Phishing). Tactic: TA0001. Freshness: Very Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS show less	Hacking Web App Attack

Showing 1 to 15 of 54 reports

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