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AbuseIPDB » 115.75.42.219

115.75.42.219 was found in our database!

This IP was reported 27 times. Confidence of Abuse is 43%: ?

43%

ISP	Viettel Group
Usage Type	Mobile ISP
ASN	AS7552
Domain Name	viettel.com.vn
Country	🇻🇳 Viet Nam
City	Ho Chi Minh City, Ho Chi Minh City (HCMC)

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

Report 115.75.42.219

Whois 115.75.42.219

IP Abuse Reports for 115.75.42.219:

This IP address has been reported a total of 27 times from 21 distinct sources. 115.75.42.219 was first reported on April 18th 2026, and the most recent report was 4 weeks ago.

Old Reports: The most recent abuse report for this IP address is from 4 weeks ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇫🇮 notelseit	2026-05-14 04:45:46 (4 weeks ago)	2026-05-14T06:45:38.318424+02:00 mail postfix/smtps/smtpd[684589]: warning: unknown[115.75.42.219]: ... show more 2026-05-14T06:45:38.318424+02:00 mail postfix/smtps/smtpd[684589]: warning: unknown[115.75.42.219]: SASL PLAIN authentication failed: (reason unavailable), [email protected] 2026-05-14T06:45:45.182685+02:00 mail postfix/smtps/smtpd[684589]: warning: unknown[115.75.42.219]: SASL LOGIN authentication failed: (reason unavailable), [email protected] 2026-05-14T06:45:45.470718+02:00 mail postfix/smtps/smtpd[684589]: disconnect from unknown[115.75.42.219] ehlo=1 auth=0/2 commands=1/3 ... show less	Brute-Force Email Spam
🇺🇸 bigscoots.com	2026-05-14 01:32:41 (4 weeks ago)	(smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: ... show more (smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-13 21:28:34 dovecot_plain authenticator failed for H=(P756S1ACH72QLPV) [115.75.42.219]:60581: 535 Incorrect authentication data ([email protected]) 2026-05-13 21:28:38 dovecot_plain authenticator failed for H=(LF21D45A3WC8) [115.75.42.219]:60582: 535 Incorrect authentication data ([email protected]) 2026-05-13 21:28:40 dovecot_login authenticator failed for H=(P756S1ACH72QLPV) [115.75.42.219]:60581: 535 Incorrect authentication data ([email protected]) 2026-05-13 21:28:48 dovecot_login authenticator failed for H=(LF21D45A3WC8) [115.75.42.219]:60582: 535 Incorrect authentication data 2026-05-13 21:32:38 dovecot_plain authenticator failed for H=(648A5DR0V5VM) [115.75.42.219]:63201: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
Anonymous	2026-05-13 06:41:43 (4 weeks ago)	SMTP brute force - auth failed	Brute-Force Exploited Host
Anonymous	2026-05-13 03:00:45 (1 month ago)	6x Postfix SASL LOGIN authentication failed	Brute-Force
🇬🇧 gaztronics	2026-05-13 01:21:13 (1 month ago)	2026-05-13T01:21:06.547291 liberator sendmail[168142]: 64D14B7J168142: [115.75.42.219] did not issue ... show more 2026-05-13T01:21:06.547291 liberator sendmail[168142]: 64D14B7J168142: [115.75.42.219] did not issue MAIL/EXPN/VRFY/ETRN during connection to TLSMTA ... show less	Brute-Force
🇬🇧 gaztronics	2026-05-13 01:04:22 (1 month ago)	2026-05-13T01:04:15.695176 liberator sendmail[168142]: 64D14B7J168142: AUTH failure (PLAIN): authent ... show more 2026-05-13T01:04:15.695176 liberator sendmail[168142]: 64D14B7J168142: AUTH failure (PLAIN): authentication failure (-13) SASL(-13): authentication failure: Password verification failed, [email protected], relay=[115.75.42.219] ... show less	Brute-Force
🇪🇸 Salvador Antonio Escalona Rueda	2026-05-13 00:58:14 (1 month ago)	Too many invalid login attempts	Brute-Force
🇨🇦 Dunham Support	2026-05-08 07:36:22 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-)	Brute-Force
🇺🇸 bigscoots.com	2026-05-08 07:27:06 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: ... show more (smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-08 03:25:12 dovecot_plain authenticator failed for H=(CUF28CYXYG583UI9) [115.75.42.219]:61317: 535 Incorrect authentication data ([email protected]) 2026-05-08 03:25:18 dovecot_login authenticator failed for H=(CUF28CYXYG583UI9) [115.75.42.219]:61317: 535 Incorrect authentication data ([email protected]) 2026-05-08 03:26:19 dovecot_plain authenticator failed for H=(Q171B58071) [115.75.42.219]:61941: 535 Incorrect authentication data ([email protected]) 2026-05-08 03:26:25 dovecot_login authenticator failed for H=(Q171B58071) [115.75.42.219]:61941: 535 Incorrect authentication data ([email protected]) 2026-05-08 03:27:04 dovecot_plain authenticator failed for H=(Q171B58071) [115.75.42.219]:62385: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇩🇪 FeG Deutschland	2026-05-08 06:06:02 (1 month ago)	Mail: - login with unknown user - bruteforce	Brute-Force
🇫🇷 dwmp	2026-05-08 04:12:51 (1 month ago)	May 8 06:12:49 webcore postfix/smtpd[3520808]: warning: unknown[115.75.42.219]: SASL CRAM-MD5 authe ... show more May 8 06:12:49 webcore postfix/smtpd[3520808]: warning: unknown[115.75.42.219]: SASL CRAM-MD5 authentication failed: authentication failure May 8 06:12:50 webcore postfix/smtpd[3520808]: warning: unknown[115.75.42.219]: SASL PLAIN authentication failed: authentication failure May 8 06:12:50 webcore postfix/smtpd[3520808]: warning: unknown[115.75.42.219]: SASL LOGIN authentication failed: authentication failure ... show less	Brute-Force
🇳🇱 EGP Abuse Dept	2026-05-08 01:37:04 (1 month ago)	Unsolicited connection to port 465	Port Scan Hacking
🇦🇺 screwlooseit.com.au	2026-05-07 04:35:24 (1 month ago)	Blocked by CSF 13 firewall - Rule: mysaslmatch VN/Vietnam/-	Web App Attack
Anonymous	2026-05-07 03:27:24 (1 month ago)	SMTP brute force - auth failed	Brute-Force Exploited Host
🇺🇸 bigscoots.com	2026-05-07 01:41:27 (1 month ago)	(smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: ... show more (smtpauth) Failed SMTP AUTH login from 115.75.42.219 (VN/Vietnam/-): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-06 21:19:13 dovecot_plain authenticator failed for H=(96H3V7R8Q2) [115.75.42.219]:49574: 535 Incorrect authentication data ([email protected]) 2026-05-06 21:19:20 dovecot_plain authenticator failed for H=(Q3OS5) [115.75.42.219]:49575: 535 Incorrect authentication data ([email protected]) 2026-05-06 21:19:20 dovecot_login authenticator failed for H=(96H3V7R8Q2) [115.75.42.219]:49574: 535 Incorrect authentication data ([email protected]) 2026-05-06 21:19:26 dovecot_login authenticator failed for H=(Q3OS5) [115.75.42.219]:49575: 535 Incorrect authentication data 2026-05-06 21:41:26 dovecot_plain authenticator failed for H=(V4836VC8A) [115.75.42.219]:55896: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH

Showing 1 to 15 of 27 reports

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