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
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
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
45.6.27.252 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
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
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 45.6.27.171
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46429
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071500 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Mon Jul 15 18:39:06 CST 2019
;; MSG SIZE  rcvd: 115
Host info
Host 171.27.6.45.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 171.27.6.45.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
195.9.141.99 attackbotsspam
php WP PHPmyadamin ABUSE blocked for 12h
2020-02-27 06:59:35
193.29.13.20 attack
firewall-block, port(s): 5001/tcp
2020-02-27 06:48:24
69.229.6.34 attackspambots
Invalid user php from 69.229.6.34 port 54650
2020-02-27 07:11:38
14.173.201.180 attackbotsspam
Automatic report - Port Scan Attack
2020-02-27 07:17:43
89.36.213.80 attackbots
Trying ports that it shouldn't be.
2020-02-27 07:26:45
73.99.136.207 attackspambots
Feb 26 23:07:51 Invalid user ident from 73.99.136.207 port 47826
2020-02-27 06:47:52
49.235.144.143 attackspam
web-1 [ssh] SSH Attack
2020-02-27 07:07:15
187.155.82.87 attackbots
Automatic report - Port Scan Attack
2020-02-27 07:03:55
51.158.190.177 attackspambots
1582753726 - 02/26/2020 22:48:46 Host: 51.158.190.177/51.158.190.177 Port: 445 TCP Blocked
2020-02-27 07:24:05
112.85.42.188 attackbotsspam
02/26/2020-17:47:57.483954 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-02-27 06:49:13
221.221.169.31 attackbots
" "
2020-02-27 07:29:47
49.234.33.229 attack
Invalid user michael from 49.234.33.229 port 53550
2020-02-27 07:01:49
110.45.244.79 attackspam
Feb 26 23:51:15 jane sshd[27636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.45.244.79 
Feb 26 23:51:17 jane sshd[27636]: Failed password for invalid user ll from 110.45.244.79 port 59134 ssh2
...
2020-02-27 06:55:28
128.199.133.201 attackspambots
Invalid user testing from 128.199.133.201 port 45837
2020-02-27 07:09:37
222.186.173.226 attack
Feb 26 23:53:31 domagoj sshd\[6531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
Feb 26 23:53:33 domagoj sshd\[6531\]: Failed password for root from 222.186.173.226 port 7357 ssh2
Feb 26 23:53:51 domagoj sshd\[6533\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.226  user=root
Feb 26 23:53:53 domagoj sshd\[6533\]: Failed password for root from 222.186.173.226 port 48052 ssh2
2020-02-27 06:55:12

Recently Reported IPs

5.86.71.236 157.51.228.67 221.138.50.177 95.67.235.199
127.246.103.120 94.74.187.90 113.140.21.94 49.3.106.131
35.91.254.42 45.219.171.215 217.129.146.45 182.86.226.114
100.81.138.97 86.153.227.220 113.91.34.218 197.111.229.13
46.21.55.82 152.136.36.250 184.34.193.122 45.21.118.60