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
114.67.72.164 attack
Unauthorized SSH login attempts
2020-06-08 07:16:41
180.66.207.67 attack
Jun  8 00:59:09 ns3164893 sshd[24086]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.66.207.67  user=root
Jun  8 00:59:10 ns3164893 sshd[24086]: Failed password for root from 180.66.207.67 port 47696 ssh2
...
2020-06-08 07:00:27
175.6.148.219 attack
SSH bruteforce
2020-06-08 07:08:04
200.52.41.173 attack
Automatic report - Port Scan Attack
2020-06-08 07:15:57
185.53.91.28 attackbots
Jun  8 00:42:48 debian kernel: [468726.628135] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=185.53.91.28 DST=89.252.131.35 LEN=439 TOS=0x00 PREC=0x00 TTL=49 ID=1966 DF PROTO=UDP SPT=5123 DPT=5060 LEN=419
2020-06-08 07:00:07
37.187.0.20 attackspam
2020-06-07T20:16:45.102038shield sshd\[31197\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3323025.ip-37-187-0.eu  user=root
2020-06-07T20:16:47.081145shield sshd\[31197\]: Failed password for root from 37.187.0.20 port 46214 ssh2
2020-06-07T20:21:10.184869shield sshd\[32285\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3323025.ip-37-187-0.eu  user=root
2020-06-07T20:21:11.863170shield sshd\[32285\]: Failed password for root from 37.187.0.20 port 39782 ssh2
2020-06-07T20:25:40.220498shield sshd\[32750\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3323025.ip-37-187-0.eu  user=root
2020-06-08 06:45:55
61.161.250.202 attackspambots
Jun  7 22:24:59 debian-2gb-nbg1-2 kernel: \[13820241.917749\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=61.161.250.202 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=232 ID=9937 PROTO=TCP SPT=59828 DPT=32725 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-08 07:13:35
94.140.115.106 attackbots
Jun  8 00:38:53 [Censored Hostname] sshd[30601]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.140.115.106 
Jun  8 00:38:55 [Censored Hostname] sshd[30601]: Failed password for invalid user as from 94.140.115.106 port 36018 ssh2[...]
2020-06-08 06:45:19
142.44.242.38 attackspam
154. On Jun 7 2020 experienced a Brute Force SSH login attempt -> 8 unique times by 142.44.242.38.
2020-06-08 06:39:44
114.97.185.30 attack
spam (f2b h2)
2020-06-08 06:44:59
72.229.230.118 attack
Automatic report - Port Scan Attack
2020-06-08 07:01:43
103.84.9.96 attack
Jun  7 22:25:17 odroid64 sshd\[30522\]: User root from 103.84.9.96 not allowed because not listed in AllowUsers
Jun  7 22:25:17 odroid64 sshd\[30522\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.84.9.96  user=root
...
2020-06-08 06:56:30
142.93.101.30 attackspambots
$f2bV_matches
2020-06-08 07:04:56
116.247.81.99 attack
2020-06-08T00:26:08.325731sd-86998 sshd[41431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.247.81.99  user=root
2020-06-08T00:26:10.677932sd-86998 sshd[41431]: Failed password for root from 116.247.81.99 port 37738 ssh2
2020-06-08T00:30:50.022056sd-86998 sshd[42040]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.247.81.99  user=root
2020-06-08T00:30:52.419668sd-86998 sshd[42040]: Failed password for root from 116.247.81.99 port 59369 ssh2
2020-06-08T00:35:29.568840sd-86998 sshd[42625]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.247.81.99  user=root
2020-06-08T00:35:31.600251sd-86998 sshd[42625]: Failed password for root from 116.247.81.99 port 52767 ssh2
...
2020-06-08 06:54:49
218.89.241.68 attackbotsspam
Jun  7 22:23:57 ns381471 sshd[23586]: Failed password for root from 218.89.241.68 port 41356 ssh2
2020-06-08 06:47:05

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