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: unknown

Region: unknown

Country: Brazil

Internet Service Provider: Daltony Carlos Tavares Caetano Munhoz ME

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attackspam
Jul 16 05:06:06 mail.srvfarm.net postfix/smtps/smtpd[685693]: warning: unknown[45.6.27.252]: SASL PLAIN authentication failed: 
Jul 16 05:06:07 mail.srvfarm.net postfix/smtps/smtpd[685693]: lost connection after AUTH from unknown[45.6.27.252]
Jul 16 05:10:00 mail.srvfarm.net postfix/smtps/smtpd[686166]: warning: unknown[45.6.27.252]: SASL PLAIN authentication failed: 
Jul 16 05:10:01 mail.srvfarm.net postfix/smtps/smtpd[686166]: lost connection after AUTH from unknown[45.6.27.252]
Jul 16 05:15:18 mail.srvfarm.net postfix/smtpd[700172]: warning: unknown[45.6.27.252]: SASL PLAIN authentication failed:
2020-07-16 16:17:10
Comments on same subnet:
IP Type Details Datetime
45.6.27.193 attackbotsspam
SMTP Brute Force attempt
2020-09-01 08:31:56
45.6.27.165 attackspambots
Aug 27 06:09:08 mail.srvfarm.net postfix/smtpd[1379979]: warning: unknown[45.6.27.165]: SASL PLAIN authentication failed: 
Aug 27 06:09:08 mail.srvfarm.net postfix/smtpd[1379979]: lost connection after AUTH from unknown[45.6.27.165]
Aug 27 06:15:20 mail.srvfarm.net postfix/smtpd[1379984]: warning: unknown[45.6.27.165]: SASL PLAIN authentication failed: 
Aug 27 06:15:20 mail.srvfarm.net postfix/smtpd[1379984]: lost connection after AUTH from unknown[45.6.27.165]
Aug 27 06:15:58 mail.srvfarm.net postfix/smtpd[1383272]: warning: unknown[45.6.27.165]: SASL PLAIN authentication failed:
2020-08-28 07:16:48
45.6.27.192 attack
Aug 22 15:55:34 mail.srvfarm.net postfix/smtpd[2319740]: warning: unknown[45.6.27.192]: SASL PLAIN authentication failed: 
Aug 22 15:55:34 mail.srvfarm.net postfix/smtpd[2319740]: lost connection after AUTH from unknown[45.6.27.192]
Aug 22 15:56:10 mail.srvfarm.net postfix/smtpd[2321913]: warning: unknown[45.6.27.192]: SASL PLAIN authentication failed: 
Aug 22 15:56:11 mail.srvfarm.net postfix/smtpd[2321913]: lost connection after AUTH from unknown[45.6.27.192]
Aug 22 15:59:12 mail.srvfarm.net postfix/smtpd[2321919]: warning: unknown[45.6.27.192]: SASL PLAIN authentication failed:
2020-08-24 00:24:32
45.6.27.242 attackbotsspam
Attempted Brute Force (dovecot)
2020-08-19 18:40:12
45.6.27.242 attackbots
Aug 14 23:40:14 mail.srvfarm.net postfix/smtpd[736663]: warning: unknown[45.6.27.242]: SASL PLAIN authentication failed: 
Aug 14 23:40:15 mail.srvfarm.net postfix/smtpd[736663]: lost connection after AUTH from unknown[45.6.27.242]
Aug 14 23:43:03 mail.srvfarm.net postfix/smtpd[738025]: warning: unknown[45.6.27.242]: SASL PLAIN authentication failed: 
Aug 14 23:43:04 mail.srvfarm.net postfix/smtpd[738025]: lost connection after AUTH from unknown[45.6.27.242]
Aug 14 23:47:18 mail.srvfarm.net postfix/smtpd[735694]: warning: unknown[45.6.27.242]: SASL PLAIN authentication failed:
2020-08-15 17:25:45
45.6.27.250 attackspambots
Distributed brute force attack
2020-07-31 16:44:00
45.6.27.211 attackbotsspam
Unauthorized connection attempt from IP address 45.6.27.211 on port 587
2020-07-08 11:06:12
45.6.27.147 attackbots
Brute force attempt
2020-06-24 06:32:07
45.6.27.244 attack
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-19 13:21:51
45.6.27.249 attackspam
Jun 16 05:30:58 mail.srvfarm.net postfix/smtps/smtpd[956697]: warning: unknown[45.6.27.249]: SASL PLAIN authentication failed: 
Jun 16 05:30:58 mail.srvfarm.net postfix/smtps/smtpd[956697]: lost connection after AUTH from unknown[45.6.27.249]
Jun 16 05:31:26 mail.srvfarm.net postfix/smtpd[921415]: warning: unknown[45.6.27.249]: SASL PLAIN authentication failed: 
Jun 16 05:31:26 mail.srvfarm.net postfix/smtpd[921415]: lost connection after AUTH from unknown[45.6.27.249]
Jun 16 05:39:10 mail.srvfarm.net postfix/smtps/smtpd[937456]: warning: unknown[45.6.27.249]: SASL PLAIN authentication failed:
2020-06-16 15:49:02
45.6.27.147 attackspam
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 12:57:40
45.6.27.248 attackbots
(BR/Brazil/-) SMTP Bruteforcing attempts
2020-06-05 12:53:03
45.6.27.171 attack
Jul 15 08:19:09 rigel postfix/smtpd[32407]: connect from unknown[45.6.27.171]
Jul 15 08:19:14 rigel postfix/smtpd[32407]: warning: unknown[45.6.27.171]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 15 08:19:14 rigel postfix/smtpd[32407]: warning: unknown[45.6.27.171]: SASL PLAIN authentication failed: authentication failure
Jul 15 08:19:16 rigel postfix/smtpd[32407]: warning: unknown[45.6.27.171]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.6.27.171
2019-07-15 18:39:11
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.6.27.252
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9005
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			336	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020071601 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jul 16 16:17:06 CST 2020
;; MSG SIZE  rcvd: 115
Host info
Host 252.27.6.45.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 252.27.6.45.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
138.121.128.19 attackspam
frenzy
2020-06-20 14:08:36
185.2.236.240 attackspambots
Port probing on unauthorized port 8080
2020-06-20 14:05:45
103.68.33.34 attackspambots
$f2bV_matches
2020-06-20 13:40:41
49.235.92.208 attackbotsspam
Invalid user iris from 49.235.92.208 port 40120
2020-06-20 14:04:27
106.12.26.181 attackspam
$f2bV_matches
2020-06-20 13:29:24
201.48.115.236 attackspambots
SSH brute-force: detected 18 distinct username(s) / 19 distinct password(s) within a 24-hour window.
2020-06-20 13:53:49
67.218.131.123 attackbots
Invalid user oracle from 67.218.131.123 port 53628
2020-06-20 14:01:57
14.116.195.245 attackbots
Jun 20 05:46:29 vps sshd[980049]: Failed password for invalid user uftp from 14.116.195.245 port 51542 ssh2
Jun 20 05:50:27 vps sshd[1001116]: Invalid user testphp from 14.116.195.245 port 49488
Jun 20 05:50:27 vps sshd[1001116]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.116.195.245
Jun 20 05:50:29 vps sshd[1001116]: Failed password for invalid user testphp from 14.116.195.245 port 49488 ssh2
Jun 20 05:54:23 vps sshd[1017748]: Invalid user manu from 14.116.195.245 port 47436
...
2020-06-20 13:42:08
162.243.136.200 attackbots
RDP brute force attack detected by fail2ban
2020-06-20 14:05:31
45.172.83.127 attackbotsspam
Jun 20 05:48:28 nas sshd[18219]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.172.83.127 
Jun 20 05:48:30 nas sshd[18219]: Failed password for invalid user xietian from 45.172.83.127 port 56812 ssh2
Jun 20 05:54:10 nas sshd[18323]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.172.83.127 
...
2020-06-20 13:52:37
103.139.19.90 attackbotsspam
DATE:2020-06-20 05:54:27, IP:103.139.19.90, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2020-06-20 13:39:42
185.143.72.34 attackbotsspam
Jun 20 08:00:55 relay postfix/smtpd\[10659\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 20 08:01:28 relay postfix/smtpd\[7217\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 20 08:01:47 relay postfix/smtpd\[10646\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 20 08:02:21 relay postfix/smtpd\[8352\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 20 08:02:39 relay postfix/smtpd\[10657\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-20 14:02:44
138.68.148.177 attackspambots
Jun 19 19:40:55 web9 sshd\[17246\]: Invalid user arlene from 138.68.148.177
Jun 19 19:40:55 web9 sshd\[17246\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.148.177
Jun 19 19:40:58 web9 sshd\[17246\]: Failed password for invalid user arlene from 138.68.148.177 port 49428 ssh2
Jun 19 19:44:24 web9 sshd\[17731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.148.177  user=root
Jun 19 19:44:25 web9 sshd\[17731\]: Failed password for root from 138.68.148.177 port 48578 ssh2
2020-06-20 14:03:18
193.122.129.167 attackspam
Jun 20 07:27:44 mout sshd[31135]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.122.129.167  user=root
Jun 20 07:27:45 mout sshd[31135]: Failed password for root from 193.122.129.167 port 37854 ssh2
Jun 20 07:27:46 mout sshd[31135]: Disconnected from authenticating user root 193.122.129.167 port 37854 [preauth]
2020-06-20 13:36:43
78.46.61.245 attackspam
20 attempts against mh-misbehave-ban on twig
2020-06-20 13:49:18

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