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68.221.171.28

Recent Activity

Abuse Confidence Score

95% Critical

38 reports

24 reporters · latest 13 hours ago

ISP: Microsoft Corporation
Usage Type: Data Center/Web Hosting/Transit
ASN: AS8075
Domain Name: microsoft.com
Country: 🇪🇸 Spain
City: Madrid, Madrid

ISP, Usage Type, and Location provided by IPInfo. Updated weekly.

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Abuse Reports

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Total reports

38 from 24 distinct reporters

First reported

October 3rd 2026

Most recent report

13 hours ago

Last 60 days

Top reporter locations 🇫🇷 France 13 🇩🇪 Germany 8 🇳🇱 Netherlands 8

Most common categories Brute-Force 27 Exploited Host 9 Web App Attack 8 Hacking 7 DDoS Attack 4

Recent reports We have received reports of abusive activity from this IP address within the last week. It is potentially still actively engaged in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇨🇦 zXero	2026-11-14 10:43:27 UTC · (13 hours ago)	Fail2Ban automatic report - jail: recidive	Brute-Force SSH DDoS Attack
🇫🇷 Campus France	2026-11-14 05:31:08 UTC · (18 hours ago)	2026-11-14T02:34:24.493497+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<iwRTizJgPLtE3asc> 20 ... show more 2026-11-14T02:34:24.493497+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<iwRTizJgPLtE3asc> 2026-11-14T03:00:47.360296+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<HDWt6TJgvJxE3asc> 2026-11-14T03:26:58.066565+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<BvRTRzNgpppE3asc> 2026-11-14T03:53:07.291098+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<hsrUpDNgiI1E3asc> 2026-11- ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-11-14 00:15:20 UTC · (23 hours ago)	2026-11-13T21:17:58.379188+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<EXOrHy5gXIRE3asc> 20 ... show more 2026-11-13T21:17:58.379188+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<EXOrHy5gXIRE3asc> 2026-11-13T21:44:19.222499+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<jOXsfS5gBrxE3asc> 2026-11-13T22:10:42.040185+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<wcdE3C5gIqlE3asc> 2026-11-13T22:37:04.516754+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<S9GPOi9g+JNE3asc> 2026-11- ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-11-13 18:58:58 UTC · (1 day ago)	2026-11-13T16:04:17.399750+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<1ibavSlgYNRE3asc> 20 ... show more 2026-11-13T16:04:17.399750+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<1ibavSlgYNRE3asc> 2026-11-13T16:30:18.059310+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<6Y/nGipgWNhE3asc> 2026-11-13T16:56:23.038397+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<tz8veCpgYIdE3asc> 2026-11-13T17:22:24.428608+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<TIo41SpgBI9E3asc> 2026-11- ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-11-13 13:46:11 UTC · (1 day ago)	2026-11-13T10:55:20.155735+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<Huf5bCVgGrhE3asc> 202 ... show more 2026-11-13T10:55:20.155735+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<Huf5bCVgGrhE3asc> 2026-11-13T11:19:08.253550+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<kFIRwiVgmJpE3asc> 2026-11-13T11:43:19.231780+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<TXqNGCZggN9E3asc> 2026-11-13T12:09:29.248199+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<ugYidiZg9rNE3asc> 2026-11-13T1 ... show less	Brute-Force Exploited Host
🇳🇱 e.fierstra	2026-11-13 12:11:26 UTC · (1 day ago)	Failed IMAP logins over 24h	Brute-Force
🇩🇪 triple-web.net	2026-11-13 09:42:29 UTC · (1 day ago)	$f2bV_matches	Brute-Force
🇫🇷 Campus France	2026-11-13 08:40:20 UTC · (1 day ago)	2026-11-13T05:44:24.256192+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<x9D3FCFgwKdE3asc> 202 ... show more 2026-11-13T05:44:24.256192+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<x9D3FCFgwKdE3asc> 2026-11-13T06:10:33.198244+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<NAOGciFgBtpE3asc> 2026-11-13T06:36:46.417239+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<NX1H0CFgmIBE3asc> 2026-11-13T07:02:58.076227+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<ddvyLSJg2qFE3asc> 2026-11-13T0 ... show less	Brute-Force Exploited Host
🇨🇦 zXero	2026-11-13 08:15:27 UTC · (1 day ago)	Fail2Ban automatic report - jail: dovecot-iptables	Brute-Force SSH DDoS Attack
🇫🇷 Campus France	2026-11-13 03:26:00 UTC · (1 day ago)	2026-11-13T00:31:08.259922+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<RFKrtBxggptE3asc> 202 ... show more 2026-11-13T00:31:08.259922+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<RFKrtBxggptE3asc> 2026-11-13T00:57:12.223321+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<n9vbER1gAqBE3asc> 2026-11-13T01:23:16.130080+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<O8Mabx1gXp1E3asc> 2026-11-13T01:49:21.415441+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<OYtfzB1gsrdE3asc> 2026-11-13T0 ... show less	Brute-Force Exploited Host
🇫🇷 Campus France	2026-11-12 22:12:52 UTC · (2 days ago)	2026-11-12T19:18:40.298351+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<MiA0VxhgbOVE3asc> 202 ... show more 2026-11-12T19:18:40.298351+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<MiA0VxhgbOVE3asc> 2026-11-12T19:44:42.253138+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<oQdGtBhgrIpE3asc> 2026-11-12T20:10:42.070067+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=</JRGERlgCJ5E3asc> 2026-11-12T20:36:44.451227+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<UaFmbhlgzq1E3asc> 2026-11-12T2 ... show less	Brute-Force Exploited Host
🇳🇱 Alboweb B.V.	2026-11-12 21:11:11 UTC · (2 days ago)	Repeated attacks detected by Fail2Ban in recidive jail	Hacking
🇫🇷 Campus France	2026-11-12 17:00:35 UTC · (2 days ago)	2026-11-12T14:06:06.279385+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<cIBg+RNg9oFE3asc> 202 ... show more 2026-11-12T14:06:06.279385+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<cIBg+RNg9oFE3asc> 2026-11-12T14:32:20.356045+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<1cYyVxRgaJNE3asc> 2026-11-12T14:58:33.455084+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<TfbutBRg2rpE3asc> 2026-11-12T15:24:37.454307+01:00 server9 dovecot[692398]: pop3-login: Disconnected: Connection closed (auth failed, 1 attempts in 2 secs): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=62.210.65.21, session=<6VQvEhVgCrBE3asc> 2026-11-12T1 ... show less	Brute-Force Exploited Host
🇩🇪 Marc	2026-11-12 15:30:35 UTC · (2 days ago)	2026-11-12 16:04:33 pop3-login: Info: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=159.195.32.100, session=<pnX4oBVgnJVE3asc> 2026-11-12 16:26: ... show more 2026-11-12 16:04:33 pop3-login: Info: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=159.195.32.100, session=<pnX4oBVgnJVE3asc> 2026-11-12 16:26:09 pop3-login: Info: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=159.195.32.100, session=<vVE07hVgFMRE3asc> 2026-11-12 16:30:34 pop3-login: Info: Login aborted: Connection closed (auth failed, 1 attempts in 2 secs) (auth_failed): user=<[email protected]>, method=PLAIN, rip=68.221.171.28, lip=159.195.32.100, session=<WEgC/hVgQuxE3asc> show less	Brute-Force Email Spam
🇳🇱 maxxsense	2026-11-12 12:45:50 UTC · (2 days ago)	(pop3d) Failed POP3 login from 68.221.171.28 (ES/Spain/-)	Brute-Force

Showing 1 to 15 of 38 reports

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