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: Copel Telecomunicacoes S.A.

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attack
Lines containing failures of 168.181.50.55
Oct  7 00:26:33 shared07 sshd[3317]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.55  user=r.r
Oct  7 00:26:35 shared07 sshd[3317]: Failed password for r.r from 168.181.50.55 port 57128 ssh2
Oct  7 00:26:35 shared07 sshd[3317]: Received disconnect from 168.181.50.55 port 57128:11: Bye Bye [preauth]
Oct  7 00:26:35 shared07 sshd[3317]: Disconnected from authenticating user r.r 168.181.50.55 port 57128 [preauth]
Oct  7 00:51:27 shared07 sshd[11989]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.55  user=r.r
Oct  7 00:51:30 shared07 sshd[11989]: Failed password for r.r from 168.181.50.55 port 5485 ssh2
Oct  7 00:51:30 shared07 sshd[11989]: Received disconnect from 168.181.50.55 port 5485:11: Bye Bye [preauth]
Oct  7 00:51:30 shared07 sshd[11989]: Disconnected from authenticating user r.r 168.181.50.55 port 5485 [preauth]
Oct  ........
------------------------------
2019-10-08 04:31:53
Comments on same subnet:
IP Type Details Datetime
168.181.50.65 attackspambots
Jun 26 05:57:02 vmd48417 sshd[17928]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.65
2020-06-26 12:01:10
168.181.50.2 attackspam
Dec 27 10:46:29 josie sshd[7617]: Invalid user guest from 168.181.50.2
Dec 27 10:46:29 josie sshd[7617]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.2 
Dec 27 10:46:31 josie sshd[7617]: Failed password for invalid user guest from 168.181.50.2 port 56125 ssh2
Dec 27 10:46:31 josie sshd[7622]: Received disconnect from 168.181.50.2: 11: Bye Bye
Dec 27 10:58:27 josie sshd[20489]: Invalid user ftpuser from 168.181.50.2
Dec 27 10:58:27 josie sshd[20489]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.2 
Dec 27 10:58:30 josie sshd[20489]: Failed password for invalid user ftpuser from 168.181.50.2 port 57724 ssh2
Dec 27 10:58:30 josie sshd[20490]: Received disconnect from 168.181.50.2: 11: Bye Bye
Dec 27 11:00:24 josie sshd[22301]: Invalid user alspaugh from 168.181.50.2
Dec 27 11:00:24 josie sshd[22301]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 t........
-------------------------------
2019-12-29 20:27:51
168.181.50.2 attack
Dec 23 21:27:02 sigma sshd\[29027\]: Invalid user webadmin from 168.181.50.2Dec 23 21:27:03 sigma sshd\[29027\]: Failed password for invalid user webadmin from 168.181.50.2 port 37732 ssh2
...
2019-12-24 05:34:22
168.181.50.2 attackspambots
Dec 22 17:55:26 vps647732 sshd[17075]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.2
Dec 22 17:55:29 vps647732 sshd[17075]: Failed password for invalid user oswal from 168.181.50.2 port 2201 ssh2
...
2019-12-23 01:16:45
168.181.50.73 attackspambots
Dec 12 02:52:49 TORMINT sshd\[14081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.73  user=root
Dec 12 02:52:50 TORMINT sshd\[14081\]: Failed password for root from 168.181.50.73 port 28081 ssh2
Dec 12 02:59:58 TORMINT sshd\[14683\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.73  user=root
...
2019-12-12 16:11:35
168.181.50.170 attack
php WP PHPmyadamin ABUSE blocked for 12h
2019-10-17 00:45:11
168.181.50.60 attack
Mar 15 01:01:14 yesfletchmain sshd\[7080\]: Invalid user steve from 168.181.50.60 port 13880
Mar 15 01:01:14 yesfletchmain sshd\[7080\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.60
Mar 15 01:01:16 yesfletchmain sshd\[7080\]: Failed password for invalid user steve from 168.181.50.60 port 13880 ssh2
Mar 15 01:07:36 yesfletchmain sshd\[7489\]: Invalid user admin from 168.181.50.60 port 12329
Mar 15 01:07:37 yesfletchmain sshd\[7489\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.60
...
2019-10-14 04:58:32
168.181.50.76 attack
Apr 13 16:26:23 yesfletchmain sshd\[321\]: Invalid user on from 168.181.50.76 port 54975
Apr 13 16:26:23 yesfletchmain sshd\[321\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.76
Apr 13 16:26:25 yesfletchmain sshd\[321\]: Failed password for invalid user on from 168.181.50.76 port 54975 ssh2
Apr 13 16:29:38 yesfletchmain sshd\[424\]: Invalid user hotmath from 168.181.50.76 port 42288
Apr 13 16:29:38 yesfletchmain sshd\[424\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.181.50.76
...
2019-10-14 04:57:28
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 168.181.50.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1096
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			368	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019100702 1800 900 604800 86400

;; Query time: 312 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 08 04:31:50 CST 2019
;; MSG SIZE  rcvd: 117
Host info
55.50.181.168.in-addr.arpa domain name pointer 55.50.181.168.rfc6598.dynamic.copelfibra.com.br.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
55.50.181.168.in-addr.arpa	name = 55.50.181.168.rfc6598.dynamic.copelfibra.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
117.247.226.29 attack
web-1 [ssh_2] SSH Attack
2020-09-12 15:45:36
106.75.16.62 attack
...
2020-09-12 15:52:10
158.69.197.113 attackspam
Fail2Ban Ban Triggered (2)
2020-09-12 15:46:51
36.92.1.31 attackspambots
CMS (WordPress or Joomla) login attempt.
2020-09-12 16:03:01
222.186.42.57 attackspam
2020-09-12T10:20:54.275944lavrinenko.info sshd[15950]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.57  user=root
2020-09-12T10:20:56.135046lavrinenko.info sshd[15950]: Failed password for root from 222.186.42.57 port 29582 ssh2
2020-09-12T10:20:54.275944lavrinenko.info sshd[15950]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.57  user=root
2020-09-12T10:20:56.135046lavrinenko.info sshd[15950]: Failed password for root from 222.186.42.57 port 29582 ssh2
2020-09-12T10:20:58.327359lavrinenko.info sshd[15950]: Failed password for root from 222.186.42.57 port 29582 ssh2
...
2020-09-12 15:27:03
93.108.242.140 attack
<6 unauthorized SSH connections
2020-09-12 15:59:40
90.188.42.221 attack
 TCP (SYN) 90.188.42.221:61825 -> port 23, len 44
2020-09-12 15:35:51
31.184.177.6 attackspam
SSH BruteForce Attack
2020-09-12 15:59:52
60.243.114.87 attack
port scan and connect, tcp 23 (telnet)
2020-09-12 15:57:43
111.72.193.11 attackbots
Sep 11 20:08:58 srv01 postfix/smtpd\[13472\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:12:27 srv01 postfix/smtpd\[18613\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:15:56 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:16:08 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:16:24 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-12 15:43:22
122.51.222.42 attackbotsspam
Sep 11 23:07:20 [host] sshd[7744]: pam_unix(sshd:a
Sep 11 23:07:22 [host] sshd[7744]: Failed password
Sep 11 23:09:53 [host] sshd[8119]: pam_unix(sshd:a
2020-09-12 15:38:53
177.58.235.11 attackspam
2020-09-11T18:53:53.912988amanda2.illicoweb.com sshd\[8652\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177-58-235-11.3g.claro.net.br  user=root
2020-09-11T18:53:55.528087amanda2.illicoweb.com sshd\[8652\]: Failed password for root from 177.58.235.11 port 1128 ssh2
2020-09-11T18:53:57.697157amanda2.illicoweb.com sshd\[8654\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177-58-235-11.3g.claro.net.br  user=root
2020-09-11T18:53:59.528077amanda2.illicoweb.com sshd\[8654\]: Failed password for root from 177.58.235.11 port 1129 ssh2
2020-09-11T18:54:01.452685amanda2.illicoweb.com sshd\[8656\]: Invalid user ubnt from 177.58.235.11 port 1130
...
2020-09-12 15:54:23
177.139.99.64 attack
1599843264 - 09/11/2020 18:54:24 Host: 177.139.99.64/177.139.99.64 Port: 445 TCP Blocked
2020-09-12 15:41:06
51.145.242.1 attack
$f2bV_matches
2020-09-12 15:29:42
161.35.140.204 attackspambots
Port scan denied
2020-09-12 15:23:30

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