Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: Sao Joao do Manteninha

Region: Minas Gerais

Country: Brazil

Internet Service Provider: Teleart Internet

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attack
Jul 14 12:05:19 rigel postfix/smtpd[29099]: connect from unknown[45.160.138.105]
Jul 14 12:05:22 rigel postfix/smtpd[29099]: warning: unknown[45.160.138.105]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 14 12:05:23 rigel postfix/smtpd[29099]: warning: unknown[45.160.138.105]: SASL PLAIN authentication failed: authentication failure
Jul 14 12:05:24 rigel postfix/smtpd[29099]: warning: unknown[45.160.138.105]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.160.138.105
2019-07-15 03:45:05
Comments on same subnet:
IP Type Details Datetime
45.160.138.182 attack
Sep 14 18:54:56 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:54:57 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:57:07 mail.srvfarm.net postfix/smtps/smtpd[2079600]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed:
2020-09-15 23:11:47
45.160.138.182 attackbotsspam
Sep 14 18:54:56 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:54:57 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:57:07 mail.srvfarm.net postfix/smtps/smtpd[2079600]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed:
2020-09-15 15:05:16
45.160.138.182 attack
Sep 14 18:54:56 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:54:57 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Sep 14 18:56:18 mail.srvfarm.net postfix/smtpd[2076883]: lost connection after AUTH from unknown[45.160.138.182]
Sep 14 18:57:07 mail.srvfarm.net postfix/smtps/smtpd[2079600]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed:
2020-09-15 07:12:17
45.160.138.113 attack
Aug 15 00:07:55 mail.srvfarm.net postfix/smtps/smtpd[893682]: warning: unknown[45.160.138.113]: SASL PLAIN authentication failed: 
Aug 15 00:07:56 mail.srvfarm.net postfix/smtps/smtpd[893682]: lost connection after AUTH from unknown[45.160.138.113]
Aug 15 00:11:23 mail.srvfarm.net postfix/smtpd[795872]: warning: unknown[45.160.138.113]: SASL PLAIN authentication failed: 
Aug 15 00:11:23 mail.srvfarm.net postfix/smtpd[795872]: lost connection after AUTH from unknown[45.160.138.113]
Aug 15 00:17:44 mail.srvfarm.net postfix/smtps/smtpd[741489]: warning: unknown[45.160.138.113]: SASL PLAIN authentication failed:
2020-08-15 17:11:51
45.160.138.182 attackbotsspam
Aug 15 00:13:58 mail.srvfarm.net postfix/smtpd[848719]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Aug 15 00:13:58 mail.srvfarm.net postfix/smtpd[848719]: lost connection after AUTH from unknown[45.160.138.182]
Aug 15 00:15:00 mail.srvfarm.net postfix/smtpd[741824]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed: 
Aug 15 00:15:01 mail.srvfarm.net postfix/smtpd[741824]: lost connection after AUTH from unknown[45.160.138.182]
Aug 15 00:15:08 mail.srvfarm.net postfix/smtpd[795872]: warning: unknown[45.160.138.182]: SASL PLAIN authentication failed:
2020-08-15 17:11:30
45.160.138.163 attackbotsspam
Aug 15 01:06:14 mail.srvfarm.net postfix/smtps/smtpd[915855]: warning: unknown[45.160.138.163]: SASL PLAIN authentication failed: 
Aug 15 01:06:14 mail.srvfarm.net postfix/smtps/smtpd[915855]: lost connection after AUTH from unknown[45.160.138.163]
Aug 15 01:10:17 mail.srvfarm.net postfix/smtps/smtpd[927777]: warning: unknown[45.160.138.163]: SASL PLAIN authentication failed: 
Aug 15 01:10:18 mail.srvfarm.net postfix/smtps/smtpd[927777]: lost connection after AUTH from unknown[45.160.138.163]
Aug 15 01:13:47 mail.srvfarm.net postfix/smtpd[928780]: warning: unknown[45.160.138.163]: SASL PLAIN authentication failed:
2020-08-15 16:02:58
45.160.138.172 attackspambots
Jul 28 05:35:51 mail.srvfarm.net postfix/smtps/smtpd[2355365]: warning: unknown[45.160.138.172]: SASL PLAIN authentication failed: 
Jul 28 05:35:52 mail.srvfarm.net postfix/smtps/smtpd[2355365]: lost connection after AUTH from unknown[45.160.138.172]
Jul 28 05:38:56 mail.srvfarm.net postfix/smtpd[2354260]: warning: unknown[45.160.138.172]: SASL PLAIN authentication failed: 
Jul 28 05:38:57 mail.srvfarm.net postfix/smtpd[2354260]: lost connection after AUTH from unknown[45.160.138.172]
Jul 28 05:41:05 mail.srvfarm.net postfix/smtps/smtpd[2355866]: warning: unknown[45.160.138.172]: SASL PLAIN authentication failed:
2020-07-28 17:50:43
45.160.138.165 attackspambots
Jul 24 08:44:30 mail.srvfarm.net postfix/smtps/smtpd[2137441]: warning: unknown[45.160.138.165]: SASL PLAIN authentication failed: 
Jul 24 08:44:30 mail.srvfarm.net postfix/smtps/smtpd[2137441]: lost connection after AUTH from unknown[45.160.138.165]
Jul 24 08:46:01 mail.srvfarm.net postfix/smtps/smtpd[2137533]: warning: unknown[45.160.138.165]: SASL PLAIN authentication failed: 
Jul 24 08:46:02 mail.srvfarm.net postfix/smtps/smtpd[2137533]: lost connection after AUTH from unknown[45.160.138.165]
Jul 24 08:54:12 mail.srvfarm.net postfix/smtpd[2140704]: warning: unknown[45.160.138.165]: SASL PLAIN authentication failed:
2020-07-25 04:29:06
45.160.138.187 attackspambots
Jul 24 16:57:50 mail.srvfarm.net postfix/smtps/smtpd[2334289]: warning: unknown[45.160.138.187]: SASL PLAIN authentication failed: 
Jul 24 16:57:51 mail.srvfarm.net postfix/smtps/smtpd[2334289]: lost connection after AUTH from unknown[45.160.138.187]
Jul 24 17:04:37 mail.srvfarm.net postfix/smtps/smtpd[2333865]: warning: unknown[45.160.138.187]: SASL PLAIN authentication failed: 
Jul 24 17:04:37 mail.srvfarm.net postfix/smtps/smtpd[2333865]: lost connection after AUTH from unknown[45.160.138.187]
Jul 24 17:05:22 mail.srvfarm.net postfix/smtps/smtpd[2349270]: warning: unknown[45.160.138.187]: SASL PLAIN authentication failed:
2020-07-25 01:45:23
45.160.138.211 attack
failed_logins
2020-07-18 17:08:37
45.160.138.211 attackspambots
(smtpauth) Failed SMTP AUTH login from 45.160.138.211 (BR/Brazil/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-07-17 08:24:55 plain authenticator failed for ([45.160.138.211]) [45.160.138.211]: 535 Incorrect authentication data (set_id=dairy)
2020-07-17 15:54:33
45.160.138.160 attackspam
Jun 16 05:16:06 mail.srvfarm.net postfix/smtpd[916166]: warning: unknown[45.160.138.160]: SASL PLAIN authentication failed: 
Jun 16 05:16:07 mail.srvfarm.net postfix/smtpd[916166]: lost connection after AUTH from unknown[45.160.138.160]
Jun 16 05:23:27 mail.srvfarm.net postfix/smtpd[935980]: warning: unknown[45.160.138.160]: SASL PLAIN authentication failed: 
Jun 16 05:23:27 mail.srvfarm.net postfix/smtpd[935980]: lost connection after AUTH from unknown[45.160.138.160]
Jun 16 05:25:26 mail.srvfarm.net postfix/smtps/smtpd[938097]: warning: unknown[45.160.138.160]: SASL PLAIN authentication failed:
2020-06-16 16:38:12
45.160.138.118 attack
(smtpauth) Failed SMTP AUTH login from 45.160.138.118 (BR/Brazil/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-05-10 08:25:11 plain authenticator failed for ([45.160.138.118]) [45.160.138.118]: 535 Incorrect authentication data (set_id=sale)
2020-05-10 13:27:22
45.160.138.219 attack
Unauthorised access (Oct 31) SRC=45.160.138.219 LEN=52 TTL=109 ID=2475 DF TCP DPT=445 WINDOW=8192 SYN
2019-11-01 01:55:04
45.160.138.186 attackbotsspam
Jul 17 08:03:37 offspring postfix/smtpd[27867]: connect from unknown[45.160.138.186]
Jul 17 08:03:41 offspring postfix/smtpd[27867]: warning: unknown[45.160.138.186]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 17 08:03:41 offspring postfix/smtpd[27867]: warning: unknown[45.160.138.186]: SASL PLAIN authentication failed: authentication failure
Jul 17 08:03:43 offspring postfix/smtpd[27867]: warning: unknown[45.160.138.186]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.160.138.186
2019-07-17 16:41:44
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.160.138.105
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35312
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;45.160.138.105.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071400 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Jul 15 03:45:00 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 105.138.160.45.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 105.138.160.45.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
92.141.165.179 attackbots
Unauthorized connection attempt detected from IP address 92.141.165.179 to port 23
2020-04-13 02:36:07
72.89.153.61 attackbotsspam
Unauthorized connection attempt detected from IP address 72.89.153.61 to port 8000
2020-04-13 02:45:36
81.148.199.43 attack
Unauthorized connection attempt detected from IP address 81.148.199.43 to port 5555
2020-04-13 02:40:25
200.69.106.234 attackbotsspam
Unauthorized connection attempt detected from IP address 200.69.106.234 to port 8089
2020-04-13 02:58:39
218.145.145.245 attackbotsspam
Unauthorized connection attempt detected from IP address 218.145.145.245 to port 23
2020-04-13 02:54:27
193.56.28.121 attackspam
2020-04-12T12:50:38.777507linuxbox-skyline auth[75124]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=data rhost=193.56.28.121
...
2020-04-13 02:59:30
89.210.135.20 attackspam
Unauthorized connection attempt detected from IP address 89.210.135.20 to port 8080
2020-04-13 02:37:44
79.121.40.230 attackbots
Honeypot attack, port: 445, PTR: host-79-121-40-230.kabelnet.hu.
2020-04-13 02:42:02
87.26.145.9 attackbots
Unauthorized connection attempt detected from IP address 87.26.145.9 to port 88
2020-04-13 02:39:08
217.99.169.173 attackbots
Unauthorized connection attempt detected from IP address 217.99.169.173 to port 80
2020-04-13 02:54:59
173.68.16.3 attackbotsspam
Unauthorized connection attempt detected from IP address 173.68.16.3 to port 81
2020-04-13 03:08:48
41.33.27.139 attack
Unauthorized connection attempt detected from IP address 41.33.27.139 to port 8089
2020-04-13 02:49:15
222.186.57.93 attack
Unauthorized connection attempt detected from IP address 222.186.57.93 to port 3389
2020-04-13 02:53:15
122.55.206.130 attackspambots
Unauthorized connection attempt detected from IP address 122.55.206.130 to port 23
2020-04-13 03:12:10
46.13.197.147 attackbots
Unauthorized connection attempt detected from IP address 46.13.197.147 to port 4567
2020-04-13 02:48:44

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