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AbuseIPDB » 128.1.48.183

128.1.48.183 was found in our database!

This IP was reported 22 times. Confidence of Abuse is 52%: ?

52%

ISP	UCLOUD
Usage Type	Data Center/Web Hosting/Transit
ASN	AS135377
Hostname(s)	nbeebys.cn
Domain Name	ucloud.cn
Country	🇯🇵 Japan
City	Tokyo, Tokyo

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

Report 128.1.48.183

Whois 128.1.48.183

IP Abuse Reports for 128.1.48.183:

This IP address has been reported a total of 22 times from 10 distinct sources. 128.1.48.183 was first reported on May 30th 2026, and the most recent report was 1 week ago.

Old Reports: The most recent abuse report for this IP address is from 1 week ago . It is possible that this IP is no longer involved in abusive activities.

Reporter	IoA Timestamp (UTC)	Comment	Categories
🇩🇪 swehosting.se	2026-06-03 08:38:53 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: Jun 3 10:25:22 webb postfix/smtpd[28839]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 3 10:26:05 webb postfix/smtpd[28839]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 3 10:29:29 webb postfix/smtpd[31673]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 3 10:30:47 webb postfix/smtpd[31580]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 Jun 3 10:38:48 webb postfix/smtpd[3880]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 show less	Port Scan
🇹🇭 thaizone.com	2026-06-03 05:24:40 (1 week ago)	Excessive number of invalid login attempts	Email Spam Hacking Brute-Force Exploited Host
🇧🇪 dbelm	2026-06-03 00:08:48 (1 week ago)	RdpGuard detected brute-force attempt on SMTP	Brute-Force
🇹🇭 thaizone.com	2026-06-02 04:50:45 (1 week ago)	Excessive number of invalid login attempts	Email Spam Hacking Brute-Force Exploited Host
🇳🇱 ipoac.nl	2026-06-01 04:55:54 (1 week ago)	2026-06-01T06:52:15.702991+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.4 ... show more 2026-06-01T06:52:15.702991+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.48.183]:51606 ehlo=1 auth=0/1 commands=1/2 2026-06-01T06:55:53.273310+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.48.183]:45362 ehlo=1 auth=0/1 commands=1/2 show less	Brute-Force
🇹🇭 thaizone.com	2026-06-01 04:47:39 (1 week ago)	Excessive number of invalid login attempts	Email Spam Hacking Brute-Force Exploited Host
🇹🇭 thaizone.com	2026-05-31 04:10:18 (1 week ago)	Excessive number of invalid login attempts	Email Spam Hacking Brute-Force Exploited Host
🇺🇸 bigscoots.com	2026-05-31 02:24:39 (1 week ago)	(PERMBLOCK) 128.1.48.183 (JP/Japan/nbeebys.cn) has had more than 4 temp blocks in the last 86400 sec ... show more (PERMBLOCK) 128.1.48.183 (JP/Japan/nbeebys.cn) 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	2026-05-31 01:48:45 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-30 21:21:27 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:56600: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:30:04 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:51178: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:35:05 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:47020: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:43:41 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:56218: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:48:44 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:50662: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-05-31 01:16:27 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-30 20:48:58 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:50062: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:54:01 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:47854: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:02:40 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:40810: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:07:45 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:50360: 535 Incorrect authentication data ([email protected]) 2026-05-30 21:16:25 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:47468: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇺🇸 bigscoots.com	2026-05-31 00:40:23 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-30 20:13:00 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:34450: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:21:39 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:42788: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:26:43 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:46788: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:35:17 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:50564: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:40:19 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:60542: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH
🇧🇷 SvrAdmin	2026-05-31 00:35:02 (1 week ago)	[293] (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 ... show more [293] (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: May 30 20:40:21 cwp01 postfix/smtpd[30872]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 30 20:53:59 cwp01 postfix/smtpd[1110]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 30 21:07:36 cwp01 postfix/smtpd[3757]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 30 21:21:19 cwp01 postfix/smtpd[6313]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 30 21:34:58 cwp01 postfix/smtpd[8417]: warning: unknown[128.1.48.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 show less	Port Scan Hacking Brute-Force Exploited Host
🇳🇱 ipoac.nl	2026-05-31 00:31:51 (1 week ago)	2026-05-31T02:21:50.486682+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.4 ... show more 2026-05-31T02:21:50.486682+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.48.183]:36726 ehlo=1 auth=0/1 commands=1/2 2026-05-31T02:31:50.519653+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.48.183]:60766 ehlo=1 auth=0/1 commands=1/2 2026-05-31T02:31:50.519653+02:00 ipoac.nl postfix/submission/smtpd-: disconnect from unknown[128.1.48.183]:60766 ehlo=1 auth=0/1 commands=1/2 show less	Brute-Force
🇧🇷 LM Security	2026-05-31 00:15:03 (1 week ago)	2026-05-30 21:05:52 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:34342: 535 Incorr ... show more 2026-05-30 21:05:52 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:34342: 535 Incorrect authentication data (set_id=info@[redacted].com.br) 2026-05-30 20:52:18 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:41098: 535 Incorrect authentication data (set_id=info@[redacted].com.br) show less	Brute-Force
🇺🇸 bigscoots.com	2026-05-31 00:08:00 (1 week ago)	(smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; ... show more (smtpauth) Failed SMTP AUTH login from 128.1.48.183 (JP/Japan/nbeebys.cn): 5 in the last 3600 secs; Ports: 25,465,587; Direction: 0; Trigger: LF_SMTPAUTH; Logs: 2026-05-30 19:40:41 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:34300: 535 Incorrect authentication data ([email protected]) 2026-05-30 19:45:46 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:37146: 535 Incorrect authentication data ([email protected]) 2026-05-30 19:54:18 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:37956: 535 Incorrect authentication data ([email protected]) 2026-05-30 19:59:16 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:54698: 535 Incorrect authentication data ([email protected]) 2026-05-30 20:07:56 dovecot_login authenticator failed for H=(USER) [128.1.48.183]:48902: 535 Incorrect authentication data ([email protected]) show less	Brute-Force SSH

Showing 1 to 15 of 22 reports

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