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: Uberlândia

Region: Minas Gerais

Country: Brazil

Internet Service Provider: Algar Telecom S/A

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
Dec  3 16:48:11 master sshd[32525]: Failed password for invalid user admin from 191.55.75.64 port 47851 ssh2
2019-12-04 04:17:20
Comments on same subnet:
IP Type Details Datetime
191.55.75.158 attackbotsspam
Port probing on unauthorized port 5555
2020-05-26 06:21:21
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 191.55.75.64
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55570
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			575	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019120303 1800 900 604800 86400

;; Query time: 115 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Dec 04 04:17:17 CST 2019
;; MSG SIZE  rcvd: 116
Host info
64.75.55.191.in-addr.arpa domain name pointer 191-055-075-064.xd-dynamic.algartelecom.com.br.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
64.75.55.191.in-addr.arpa	name = 191-055-075-064.xd-dynamic.algartelecom.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
155.4.252.250 attack
Jun 23 02:40:44 server sshd\[10764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=155.4.252.250  user=root
Jun 23 02:40:47 server sshd\[10764\]: Failed password for root from 155.4.252.250 port 41004 ssh2
Jun 23 02:41:03 server sshd\[10764\]: Failed password for root from 155.4.252.250 port 41004 ssh2
...
2019-10-09 19:37:15
156.216.79.21 attack
Jul 10 21:10:43 server sshd\[64892\]: Invalid user admin from 156.216.79.21
Jul 10 21:10:43 server sshd\[64892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.216.79.21
Jul 10 21:10:45 server sshd\[64892\]: Failed password for invalid user admin from 156.216.79.21 port 44153 ssh2
...
2019-10-09 19:25:07
77.243.191.26 attackbotsspam
$f2bV_matches
2019-10-09 19:18:56
45.136.109.251 attackbots
firewall-block, port(s): 7854/tcp, 8090/tcp, 8099/tcp, 8559/tcp, 8571/tcp
2019-10-09 19:06:50
67.60.137.219 attack
2019-10-08 22:50:52 H=67-60-137-219.cpe.cableone.net [67.60.137.219]:49559 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/67.60.137.219)
2019-10-08 22:50:53 H=67-60-137-219.cpe.cableone.net [67.60.137.219]:49559 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/67.60.137.219)
2019-10-08 22:50:56 H=67-60-137-219.cpe.cableone.net [67.60.137.219]:49559 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/67.60.137.219)
...
2019-10-09 19:29:38
218.92.0.163 attackbots
Oct  9 05:35:07 123flo sshd[17342]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.163  user=root
Oct  9 05:35:10 123flo sshd[17342]: Failed password for root from 218.92.0.163 port 11023 ssh2
2019-10-09 19:11:34
51.68.82.218 attack
Oct  9 12:53:08 SilenceServices sshd[11824]: Failed password for root from 51.68.82.218 port 41002 ssh2
Oct  9 12:57:18 SilenceServices sshd[12931]: Failed password for root from 51.68.82.218 port 52100 ssh2
2019-10-09 19:20:26
157.230.157.99 attack
Jul  1 01:06:54 server sshd\[101318\]: Invalid user sales from 157.230.157.99
Jul  1 01:06:54 server sshd\[101318\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.157.99
Jul  1 01:06:56 server sshd\[101318\]: Failed password for invalid user sales from 157.230.157.99 port 50014 ssh2
...
2019-10-09 19:07:35
176.101.205.55 attack
Oct  9 05:50:39 sso sshd[27680]: Failed password for root from 176.101.205.55 port 40050 ssh2
Oct  9 05:50:46 sso sshd[27680]: Failed password for root from 176.101.205.55 port 40050 ssh2
...
2019-10-09 19:38:02
222.186.42.4 attack
2019-10-09T18:06:14.423001enmeeting.mahidol.ac.th sshd\[14380\]: User root from 222.186.42.4 not allowed because not listed in AllowUsers
2019-10-09T18:06:15.699538enmeeting.mahidol.ac.th sshd\[14380\]: Failed none for invalid user root from 222.186.42.4 port 6788 ssh2
2019-10-09T18:06:17.074562enmeeting.mahidol.ac.th sshd\[14380\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.4  user=root
...
2019-10-09 19:08:31
156.212.76.198 attackbotsspam
Jul 21 14:04:17 server sshd\[176514\]: Invalid user admin from 156.212.76.198
Jul 21 14:04:17 server sshd\[176514\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.212.76.198
Jul 21 14:04:20 server sshd\[176514\]: Failed password for invalid user admin from 156.212.76.198 port 53415 ssh2
...
2019-10-09 19:26:35
209.105.243.145 attack
2019-10-09T04:02:54.698543shield sshd\[19398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
2019-10-09T04:02:57.022249shield sshd\[19398\]: Failed password for root from 209.105.243.145 port 51987 ssh2
2019-10-09T04:06:51.089394shield sshd\[20058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
2019-10-09T04:06:52.946623shield sshd\[20058\]: Failed password for root from 209.105.243.145 port 43317 ssh2
2019-10-09T04:10:46.253112shield sshd\[20625\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
2019-10-09 19:31:42
157.230.168.4 attackbots
Aug 15 07:47:09 server sshd\[50211\]: Invalid user ubuntu from 157.230.168.4
Aug 15 07:47:09 server sshd\[50211\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.168.4
Aug 15 07:47:11 server sshd\[50211\]: Failed password for invalid user ubuntu from 157.230.168.4 port 36002 ssh2
...
2019-10-09 19:06:34
155.230.14.92 attackspambots
May 23 08:47:30 server sshd\[124979\]: Invalid user houx from 155.230.14.92
May 23 08:47:30 server sshd\[124979\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=155.230.14.92
May 23 08:47:32 server sshd\[124979\]: Failed password for invalid user houx from 155.230.14.92 port 53194 ssh2
...
2019-10-09 19:38:24
157.230.117.168 attack
Apr  9 16:17:19 server sshd\[35276\]: Invalid user zabbix from 157.230.117.168
Apr  9 16:17:19 server sshd\[35276\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.117.168
Apr  9 16:17:20 server sshd\[35276\]: Failed password for invalid user zabbix from 157.230.117.168 port 53148 ssh2
Apr  9 16:17:19 server sshd\[35276\]: Invalid user zabbix from 157.230.117.168
Apr  9 16:17:19 server sshd\[35276\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.117.168
Apr  9 16:17:20 server sshd\[35276\]: Failed password for invalid user zabbix from 157.230.117.168 port 53148 ssh2
...
2019-10-09 19:12:19

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