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: Claro S.A.

Hostname: unknown

Organization: unknown

Usage Type: Mobile ISP

Comments:
Type Details Datetime
attack
Aug  2 15:39:28 vps sshd[302408]: Failed password for root from 200.243.21.50 port 60988 ssh2
Aug  2 15:41:10 vps sshd[312879]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.243.21.50  user=root
Aug  2 15:41:12 vps sshd[312879]: Failed password for root from 200.243.21.50 port 42980 ssh2
Aug  2 15:42:57 vps sshd[318726]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.243.21.50  user=root
Aug  2 15:42:59 vps sshd[318726]: Failed password for root from 200.243.21.50 port 53211 ssh2
...
2020-08-02 21:43:01
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 200.243.21.50
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30324
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			580	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020080200 1800 900 604800 86400

;; Query time: 246 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Aug 02 21:42:54 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 50.21.243.200.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 50.21.243.200.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.203.102.122 attack
Jul 17 20:03:27 *hidden* sshd[44334]: Invalid user app from 159.203.102.122 port 58138 Jul 17 20:03:27 *hidden* sshd[44334]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.102.122 Jul 17 20:03:29 *hidden* sshd[44334]: Failed password for invalid user app from 159.203.102.122 port 58138 ssh2
2020-07-19 04:50:35
51.77.223.133 attackspambots
SSH brutforce
2020-07-19 04:53:19
37.187.74.109 attackspambots
37.187.74.109 - - [18/Jul/2020:21:20:24 +0100] "POST /wp-login.php HTTP/1.1" 200 5437 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
37.187.74.109 - - [18/Jul/2020:21:22:55 +0100] "POST /wp-login.php HTTP/1.1" 200 5437 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
37.187.74.109 - - [18/Jul/2020:21:25:25 +0100] "POST /wp-login.php HTTP/1.1" 200 5437 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-07-19 04:30:46
197.253.124.133 attackspam
2020-07-18T21:51:17+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)
2020-07-19 04:52:02
212.73.81.242 attackspambots
(sshd) Failed SSH login from 212.73.81.242 (AM/Armenia/-): 10 in the last 3600 secs
2020-07-19 04:56:58
111.231.246.214 attack
Jul 18 21:53:45 DAAP sshd[12315]: Invalid user tw from 111.231.246.214 port 56416
Jul 18 21:53:45 DAAP sshd[12315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.246.214
Jul 18 21:53:45 DAAP sshd[12315]: Invalid user tw from 111.231.246.214 port 56416
Jul 18 21:53:47 DAAP sshd[12315]: Failed password for invalid user tw from 111.231.246.214 port 56416 ssh2
Jul 18 22:00:26 DAAP sshd[12449]: Invalid user info from 111.231.246.214 port 43336
...
2020-07-19 04:58:45
92.63.194.104 attackbots
[MK-VM6] Blocked by UFW
2020-07-19 04:42:19
94.102.56.231 attack
Port scan: Attack repeated for 24 hours
2020-07-19 04:37:07
110.240.6.112 attackspam
Tried our host z.
2020-07-19 04:22:53
45.143.221.54 attackspam
frenzy
2020-07-19 04:51:20
139.59.83.179 attackbotsspam
Jul 18 21:51:37 fhem-rasp sshd[5091]: Invalid user toor from 139.59.83.179 port 59384
...
2020-07-19 04:34:04
183.63.157.138 attackspambots
2020-07-18T22:21:50.170038+02:00  sshd[31566]: Failed password for invalid user ttt from 183.63.157.138 port 60147 ssh2
2020-07-19 04:57:24
112.85.42.200 attack
Jul 18 22:25:29 ovpn sshd\[28225\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.200  user=root
Jul 18 22:25:31 ovpn sshd\[28225\]: Failed password for root from 112.85.42.200 port 41061 ssh2
Jul 18 22:25:35 ovpn sshd\[28225\]: Failed password for root from 112.85.42.200 port 41061 ssh2
Jul 18 22:25:38 ovpn sshd\[28225\]: Failed password for root from 112.85.42.200 port 41061 ssh2
Jul 18 22:26:06 ovpn sshd\[28359\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.200  user=root
2020-07-19 04:29:07
121.74.25.178 attack
Jul 18 21:51:49 fhem-rasp sshd[5146]: Invalid user shenjun from 121.74.25.178 port 37968
...
2020-07-19 04:24:35
140.86.12.31 attackbotsspam
Jul 18 16:24:14 ny01 sshd[3892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.86.12.31
Jul 18 16:24:15 ny01 sshd[3892]: Failed password for invalid user kha from 140.86.12.31 port 64739 ssh2
Jul 18 16:28:52 ny01 sshd[4937]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.86.12.31
2020-07-19 04:31:51

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