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AbuseIPDB » 104.28.214.215

104.28.214.215 was found in our database!

This IP was reported 24 times. Confidence of Abuse is 50%: ?

50%

ISP	Cloudflare, Inc.
Usage Type	Data Center/Web Hosting/Transit
ASN	AS13335
Domain Name	cloudflare.com
Country	🇧🇷 Brazil
City	Sorocaba, Sao Paulo

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

Report 104.28.214.215

Whois 104.28.214.215

IP Abuse Reports for 104.28.214.215:

This IP address has been reported a total of 24 times from 19 distinct sources. 104.28.214.215 was first reported on July 27th 2025, and the most recent report was 1 day 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
🇺🇸 mnogoweb	2026-08-29 14:13:26 (1 day ago)	(smtpauth) Failed SMTP AUTH login from 104.28.214.215 (CA/Canada/-): 5 in the last 3600 secs; Ports: ... show more (smtpauth) Failed SMTP AUTH login from 104.28.214.215 (CA/Canada/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2026-08-29 07:45:41 plain authenticator failed for ([172.16.0.2]) [104.28.214.215]: 535 Incorrect authentication data ([email protected]) 2026-08-29 07:45:42 login authenticator failed for ([172.16.0.2]) [104.28.214.215]: 535 Incorrect authentication data ([email protected]) 2026-08-29 07:45:43 plain authenticator failed for ([172.16.0.2]) [104.28.214.215]: 535 Incorrect authentication data ([email protected]) 2026-08-29 07:45:43 login authenticator failed for ([172.16.0.2]) [104.28.214.215]: 535 Incorrect authentication data ([email protected]) 2026-08-29 07:45:49 plain authenticator failed for ([172.16.0.2]) [104.28.214.215]: 535 Incorrect authentication data ([email protected]) show less	Port Scan
🇫🇷 UM3	2026-08-29 13:50:05 (1 day ago)	Exim Auth Failed	Brute-Force
🇮🇹 VHosting	2026-08-29 02:35:04 (2 days ago)	Detected mail brute force attack from different servers	Brute-Force
🇩🇪 Ilop	2026-08-29 02:29:40 (2 days ago)	[mail.il] Aug 29 02:29:39 mailhost postfix/submission/smtpd[4164]: warning: unknown[104.28.214.215]: ... show more [mail.il] Aug 29 02:29:39 mailhost postfix/submission/smtpd[4164]: warning: unknown[104.28.214.215]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 ... show less	Email Spam Brute-Force
🇦🇺 electronico	2026-08-29 01:57:11 (2 days ago)	2026-08-29T12:56:53.277421+11:00 mail1 postfix/submission/smtpd[2757632]: warning: unknown[104.28.21 ... show more 2026-08-29T12:56:53.277421+11:00 mail1 postfix/submission/smtpd[2757632]: warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: (reason unavailable), [email protected] 2026-08-29T12:57:00.287544+11:00 mail1 postfix/submission/smtpd[2757632]: warning: unknown[104.28.214.215]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-08-29T12:57:10.276590+11:00 mail1 postfix/submissions/smtpd[2757267]: warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: (reason unavailable), [email protected] ... show less	Brute-Force Email Spam
🇷🇴 clauss	2026-08-19 03:55:13 (1 week ago)	IP reached maximum auth failures for a one day block	Brute-Force
🇨🇿 lp	2026-08-18 06:20:10 (1 week ago)	Email account brute force: 1 attempts were recorded from 104.28.214.215 2026-08-18T07:26:28+02:00 wa ... show more Email account brute force: 1 attempts were recorded from 104.28.214.215 2026-08-18T07:26:28+02:00 warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: authentication failure, [email protected] show less	Brute-Force
🇮🇹 CoreTech srl	2026-08-17 02:52:32 (2 weeks ago)	"SMTP Login failed": count(IP)=48.0is-6411d9d7 04:48:13.070 [103.158.183.25] SMTP Login failed: Doma ... show more "SMTP Login failed": count(IP)=48.0is-6411d9d7 04:48:13.070 [103.158.183.25] SMTP Login failed: Domain [midifendo.it] not foundis-6411d9d7 04:48:13.070 [103.158.183.25] SMTP Login failed: That domain was not found. Double check your email address.is-6411d9d7 04:49:29.513 [190.70.81.70] SMTP Login failed: Invalid username ([email protected]) and password combination.is-6411d9d7 04:49:29.513 [190.70.81.70] SMTP Login failed: User [bardistudio] not foundis-6411d9d7 04:50:12.033 [197.238.84.92] SMTP Login failed: That domain was not found. Double check your email address.is-6411d9d7 04:50:12.033 [197.238.84.92] SMTP Login failed: Domain [midifendo.it] not foundis-6411d9d7 04:51:15.299 [39.32.204.143] SMTP Login failed: That domain was not found. Double check your email address.is-6411d9d7 04:51:15.299 [39.32.204.143] SMTP Login failed: Domain [midifendo.it] not foundis-6411d9d7 04:51:28.494 [104.28.214.215] SMTP Login failed: That domain was not found. Double check your email address. show less	Brute-Force
🇨🇿 lp	2026-08-15 22:50:58 (2 weeks ago)	Email account brute force: 1 attempts were recorded from 104.28.214.215 2026-08-15T23:23:56+02:00 wa ... show more Email account brute force: 1 attempts were recorded from 104.28.214.215 2026-08-15T23:23:56+02:00 warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: authentication failure, [email protected] show less	Brute-Force
🇷🇴 clauss	2026-02-03 07:24:25 (6 months ago)	IP reached maximum auth failures for a one day block	Brute-Force
🇨🇿 lp	2026-01-30 22:28:58 (7 months ago)	Email account brute force: 4 attempts were recorded from 104.28.214.215 2026-01-30T22:24:34+01:00 wa ... show more Email account brute force: 4 attempts were recorded from 104.28.214.215 2026-01-30T22:24:34+01:00 warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-01-30T22:24:35+01:00 warning: unknown[104.28.214.215]: SASL LOGIN authentication failed: authentication failure, [email protected] 2026-01-30T22:33:00+01:00 warning: unknown[104.28.214.215]: SASL PLAIN authentication failed: authentication failure, [email protected] 2026-01-30T22:33:00+01:00 warning: unknown[104.28.214.215]: SASL LOGIN authentication failed: authentication failure, [email protected] show less	Brute-Force
🇬🇧 killian7603	2026-01-24 11:37:46 (7 months ago)	Logon Policy Violation	Email Spam Spoofing Brute-Force
🇬🇧 cg-design.co.uk	2026-01-24 11:31:47 (7 months ago)	Port Scan detected from 104.28.214.215 (BR/Brazil/-).	Port Scan
🇮🇹 VHosting	2026-01-14 14:05:42 (7 months ago)	Detected mail brute force attack from 4 different servers	Brute-Force
Anonymous	2026-01-05 04:30:29 (7 months ago)	Failed login attempt detected by Fail2Ban in plesk-postfix jail	Brute-Force

Showing 1 to 15 of 24 reports

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