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AbuseIPDB » 20.99.233.0

20.99.233.0 was found in our database!

This IP was reported 15 times. Confidence of Abuse is 45%: ?

45%

ISP	Microsoft Corporation
Usage Type	Data Center/Web Hosting/Transit
ASN	AS8075
Domain Name	microsoft.com
Country	🇺🇸 United States of America
City	Moses Lake, Washington

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

Report 20.99.233.0

Whois 20.99.233.0

IP Abuse Reports for 20.99.233.0:

This IP address has been reported a total of 15 times from 11 distinct sources. 20.99.233.0 was first reported on May 19th 2026, and the most recent report was 2 weeks ago.

Old Reports: The most recent abuse report for this IP address is from 2 weeks ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
Anonymous	2026-05-24 04:30:57 (2 weeks ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
🇩🇪 marcelhalls	2026-05-21 03:00:05 (2 weeks ago)	Repeated attacks detected by Fail2Ban in recidive jail	Hacking
🇧🇷 SvrAdmin	2026-05-20 04:13:21 (2 weeks ago)	[101] (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 se ... show more [101] (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-05-20 00:59:27 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:39882: 535 Incorrect authentication data ([email protected]) 2026-05-20 01:02:45 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:57718: 535 Incorrect authentication data ([email protected]) 2026-05-20 01:11:04 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:47802: 535 Incorrect authentication data ([email protected]) 2026-05-20 01:11:40 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:33090: 535 Incorrect authentication data ([email protected]) 2026-05-20 01:13:16 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:60572: 535 Incorrect authentication data ([email protected]) show less	Port Scan Hacking Brute-Force Exploited Host
🇺🇸 bigscoots.com	2026-05-19 18:22:56 (2 weeks ago)	(PERMBLOCK) 20.99.233.0 (US/United States/-) has had more than 4 temp blocks in the last 86400 secs; ... show more (PERMBLOCK) 20.99.233.0 (US/United States/-) 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	2026-05-19 17:59:48 (2 weeks ago)	(smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Po ... show more (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-19 13:51:36 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:56552: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:53:37 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:48924: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:55:43 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:37326: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:57:44 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:34372: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:59:43 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:48176: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇬🇧 noise.agency	2026-05-19 17:39:03 (2 weeks ago)	(smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-)	Brute-Force
🇺🇸 bigscoots.com	2026-05-19 17:38:58 (2 weeks ago)	(smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Po ... show more (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-19 13:29:39 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:60816: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:32:43 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:58276: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:34:48 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:45468: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:36:52 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:33750: 535 Incorrect authentication data ([email protected]) 2026-05-19 13:38:57 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:40370: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇫🇷 GabrielJST	2026-05-19 15:43:25 (2 weeks ago)	(smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-)	Brute-Force
🇧🇷 LM Security	2026-05-19 06:15:03 (2 weeks ago)	2026-05-19 03:12:33 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:39426: 535 Incorr ... show more 2026-05-19 03:12:33 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:39426: 535 Incorrect authentication data ([email protected]) 2026-05-19 03:08:33 dovecot_login authenticator failed for H=(ADMIN) [20.99.233.0]:36412: 535 Incorrect authentication data ([email protected]) show less	Brute-Force
Anonymous	2026-05-19 06:12:09 (2 weeks ago)	(smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-)	Brute-Force
Anonymous	2026-05-19 06:07:01 (2 weeks ago)	...	Brute-Force
🇧🇷 SvrAdmin	2026-05-19 05:58:14 (2 weeks ago)	[138] (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 se ... show more [138] (smtpauth) Failed SMTP AUTH login from 20.99.233.0 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: May 19 02:08:58 cwp postfix/smtpd[399]: warning: unknown[20.99.233.0]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 19 02:21:43 cwp postfix/smtpd[8963]: warning: unknown[20.99.233.0]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 19 02:56:37 cwp postfix/smtpd[30993]: warning: unknown[20.99.233.0]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 19 02:56:58 cwp postfix/smtpd[30993]: warning: unknown[20.99.233.0]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 19 02:58:12 cwp postfix/smtpd[30993]: warning: unknown[20.99.233.0]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 show less	Port Scan Hacking Brute-Force Exploited Host
🇧🇷 hostseries	2026-05-19 05:50:20 (2 weeks ago)	Trigger: LF_SMTPAUTH	Brute-Force
Anonymous	2026-05-19 04:30:13 (2 weeks ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force
Anonymous	2026-05-19 03:52:02 (2 weeks ago)	BruteForce IMAP/POP3/SMTP	Brute-Force

Showing 1 to 15 of 15 reports

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