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AbuseIPDB » 172.204.144.106

172.204.144.106 was found in our database!

This IP was reported 18 times. Confidence of Abuse is 63%: ?

63%

ISP	Microsoft Limited
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇳🇿 New Zealand
City	Auckland, Auckland

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

Report 172.204.144.106

Whois 172.204.144.106

IP Abuse Reports for 172.204.144.106:

This IP address has been reported a total of 18 times from 11 distinct sources. 172.204.144.106 was first reported on June 26th 2026, and the most recent report was 2 days ago.

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
Anonymous	2026-06-29 16:32:31 (2 days ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-06-28 04:30:42 (3 days ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-06-27 04:30:40 (4 days ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
🇵🇾 SecOpsSL	2026-06-27 03:39:44 (5 days ago)	Jun 27 00:39:43 mail postfix/smtps/smtpd[33172]: warning: unknown[172.204.144.106]: SASL LOGIN authe ... show more Jun 27 00:39:43 mail postfix/smtps/smtpd[33172]: warning: unknown[172.204.144.106]: SASL LOGIN authentication failed: authentication failure show less	Email Spam Brute-Force
🇺🇸 bigscoots.com	2026-06-27 03:00:03 (5 days ago)	(PERMBLOCK) 172.204.144.106 (NZ/New Zealand/-) has had more than 4 temp blocks in the last 86400 sec ... show more (PERMBLOCK) 172.204.144.106 (NZ/New Zealand/-) has had more than 4 temp blocks in the last 86400 secs; Ports: *; Direction: 1; Trigger: LF_PERMBLOCK_COUNT; Logs: show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-06-27 02:38:59 (5 days ago)	(smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 22:22:21 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:59490: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:26:29 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:43580: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:30:36 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:33944: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:34:43 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:47722: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:38:57 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:38586: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-06-27 02:18:12 (5 days ago)	(smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 22:00:49 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:59448: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:05:45 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:47716: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:09:55 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:34648: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:14:05 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:55450: 535 Incorrect authentication data ([email protected]) 2026-06-26 22:18:12 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:38560: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-06-27 01:56:45 (5 days ago)	(smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 21:40:10 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:53724: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:44:17 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:55562: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:48:25 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:41960: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:52:33 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:60638: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:56:41 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:40070: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 Matthew Ping	2026-06-27 01:45:01 (5 days ago)	SMTP authentication brute force blocked by CSF/LFD on dedicated.	Email Spam Brute-Force
🇺🇸 bigscoots.com	2026-06-27 01:36:03 (5 days ago)	(smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-06-26 21:19:30 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:58528: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:23:35 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:35546: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:27:42 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:47982: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:31:51 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:42052: 535 Incorrect authentication data ([email protected]) 2026-06-26 21:36:01 dovecot_login authenticator failed for H=(ADMIN) [172.204.144.106]:41510: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇬🇧 noise.agency	2026-06-27 01:32:45 (5 days ago)	(smtpauth) Failed SMTP AUTH login from 172.204.144.106 (NZ/New Zealand/-)	Brute-Force
Anonymous	2026-06-27 01:31:07 (5 days ago)	<comment>	Email Spam
🇧🇷 hostseries	2026-06-27 01:23:28 (5 days ago)	Trigger: LF_SMTPAUTH	Brute-Force
🇨🇦 Julio Covolato	2026-06-27 00:50:01 (5 days ago)	Imap or Submission login brute-force attacks.	Brute-Force
🇵🇾 SecOpsSL	2026-06-26 23:39:41 (5 days ago)	Jun 26 20:39:40 mail postfix/smtps/smtpd[23271]: warning: unknown[172.204.144.106]: SASL LOGIN authe ... show more Jun 26 20:39:40 mail postfix/smtps/smtpd[23271]: warning: unknown[172.204.144.106]: SASL LOGIN authentication failed: authentication failure show less	Email Spam Brute-Force

Showing 1 to 15 of 18 reports

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