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131.255.183.248

Recent Activity

Abuse confidence score ?

95% Critical

59 reports

31 reporters · latest 17 hours ago

ISP	EMPRESA DE SERVICIOS Y APLICACIONES TECNOLOGICAS SRL
Usage Type	Fixed Line ISP
ASN	AS263715
Hostname(s)	dynamic-183-248.grupoesat-ns1.com.ar
Domain Name	grupoesat.com.ar
Country	🇦🇷 Argentina
City	San Vicente, Buenos Aires

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IP Abuse Reports for 131.255.183.248

This IP address has been reported a total of 59 times from 31 distinct sources. 131.255.183.248 was first reported on August 13th 2026, and the most recent report was 17 hours ago. In the last 60 days, the top reporter locations were: Indonesia with 17 reports; Germany with 10 reports; Uruguay with 7 reports. The most common categories in these recent reports were: Brute-Force 38 times; Hacking 20 times; Web App Attack 17 times; Port Scan 7 times; Email Spam 4 times; Other 2 times.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇦🇺 AWW-Admin	2026-09-25 20:04:27 (17 hours ago)	(imapd) Failed IMAP login from 131.255.183.248 (AR/Argentina/dynamic-183-248.grupoesat-ns1.com.ar)	Brute-Force
🇮🇹 Inartis	2026-09-25 17:06:14 (20 hours ago)	2026-09-25T19:06:13.181036+02:00 mail dovecot: imap-login: Disconnected: Connection closed (auth fai ... show more 2026-09-25T19:06:13.181036+02:00 mail dovecot: imap-login: Disconnected: Connection closed (auth failed, 3 attempts in 26 secs): user=<sabbion>, method=PLAIN, rip=131.255.183.248, lip=93.39.247.175, TLS, session=<lbJAulFcv5OD/7f4> 2026-09-25T19:06:13.181036+02:00 mail dovecot: imap-login: Disconnected: Connection closed (auth failed, 3 attempts in 26 secs): user=<sabbion>, method=PLAIN, rip=131.255.183.248, lip=93.39.247.175, TLS, session=<lbJAulFcv5OD/7f4> ... show less	Port Scan Brute-Force
Anonymous	2026-09-25 16:31:28 (21 hours ago)	Failed login attempt detected by Fail2Ban in plesk-dovecot jail	Brute-Force
🇷🇴 clauss	2026-09-25 00:36:19 (1 day ago)	IP reached maximum auth failures for a one day block	Brute-Force
🇮🇹 www.tana.it	2026-09-24 13:55:07 (1 day ago)	dictionary attack	Brute-Force
🇫🇷 solution.it	2026-09-23 12:31:56 (3 days ago)	Sep 23 14:31:55 vps789997 dovecot: imap-login: Disconnected (auth failed, 2 attempts in 12 secs): us ... show more Sep 23 14:31:55 vps789997 dovecot: imap-login: Disconnected (auth failed, 2 attempts in 12 secs): user=<[email protected]>, method=PLAIN, rip=131.255.183.248, lip=51.77.194.251, TLS, session=<KnJ2qiVcQ4SD/7f4> show less	Brute-Force
Anonymous	2026-09-22 20:04:42 (3 days ago)	(imapd) Failed IMAP login from 131.255.183.248 (AR/Argentina/dynamic-183-248.grupoesat-ns1.com.ar)	Brute-Force
🇮🇩 sockominfo	2026-09-20 11:00:53 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (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 Stale. 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	2026-09-20 04:00:53 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (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: Stale. 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	2026-09-20 01:00:53 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.6/10 (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: Moderate. 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	2026-09-20 00:01:00 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.7/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.7/10 (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: Moderate. 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	2026-09-19 23:00:53 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.8/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.8/10 (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: Moderate. 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	2026-09-19 22:00:53 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.9/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 5.9/10 (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: Moderate. 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	2026-09-19 21:00:56 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 6/10 (MEDIUM). Confiden ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 6/10 (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	2026-09-19 20:00:54 (6 days ago)	Email: Login failures from Bad Reputation IP: 131.255.183.248. Threat Score: 6.1/10 (MEDIUM). Confid ... show more Email: Login failures from Bad Reputation IP: 131.255.183.248. 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

Showing 1 to 15 of 59 reports

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