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
36.255.99.30 attackspambots
SMB Server BruteForce Attack
2020-05-28 12:16:56
106.13.160.127 attackbots
May 27 09:29:23 : SSH login attempts with invalid user
2020-05-28 08:17:17
159.89.177.46 attackbots
May 28 05:51:00 vps687878 sshd\[3009\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.177.46  user=root
May 28 05:51:02 vps687878 sshd\[3009\]: Failed password for root from 159.89.177.46 port 36584 ssh2
May 28 05:54:26 vps687878 sshd\[3194\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.177.46  user=root
May 28 05:54:28 vps687878 sshd\[3194\]: Failed password for root from 159.89.177.46 port 40508 ssh2
May 28 05:57:50 vps687878 sshd\[3579\]: Invalid user teszt from 159.89.177.46 port 44528
May 28 05:57:50 vps687878 sshd\[3579\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.177.46
...
2020-05-28 12:07:48
34.92.46.76 attackspam
May 28 05:58:15 santamaria sshd\[10606\]: Invalid user benida from 34.92.46.76
May 28 05:58:15 santamaria sshd\[10606\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.92.46.76
May 28 05:58:17 santamaria sshd\[10606\]: Failed password for invalid user benida from 34.92.46.76 port 52778 ssh2
...
2020-05-28 12:15:53
213.163.164.236 attack
Unauthorized connection attempt detected from IP address 213.163.164.236 to port 23
2020-05-28 08:03:08
61.3.193.45 attack
IP 61.3.193.45 attacked honeypot on port: 8080 at 5/28/2020 4:58:45 AM
2020-05-28 12:01:38
81.17.16.146 attack
Tor exit node
2020-05-28 08:05:58
45.11.24.211 attackbots
[portscan] Port scan
2020-05-28 08:11:51
188.75.221.224 attack
Unauthorized connection attempt from IP address 188.75.221.224 on Port 445(SMB)
2020-05-28 08:11:09
109.172.150.4 attackbotsspam
Unauthorized connection attempt from IP address 109.172.150.4 on Port 445(SMB)
2020-05-28 08:07:15
41.213.124.182 attackspambots
SASL PLAIN auth failed: ruser=...
2020-05-28 08:04:29
202.137.142.83 attack
Dovecot Invalid User Login Attempt.
2020-05-28 12:06:52
211.208.225.110 attackbots
Wordpress malicious attack:[sshd]
2020-05-28 12:20:26
123.211.196.246 attackspambots
Draytek Vigor Remote Command Execution Vulnerability
2020-05-28 08:06:41
45.142.195.7 attack
May 28 02:09:13 srv01 postfix/smtpd\[16639\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 28 02:09:23 srv01 postfix/smtpd\[16639\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 28 02:09:26 srv01 postfix/smtpd\[18454\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 28 02:09:26 srv01 postfix/smtpd\[18453\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May 28 02:10:07 srv01 postfix/smtpd\[18454\]: warning: unknown\[45.142.195.7\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-05-28 08:10:28

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