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: China

Internet Service Provider: Tencent Cloud Computing (Beijing) Co. Ltd.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbotsspam
Jul 31 19:24:48 itv-usvr-01 sshd[16277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jul 31 19:24:50 itv-usvr-01 sshd[16277]: Failed password for root from 106.53.85.121 port 54560 ssh2
Jul 31 19:28:46 itv-usvr-01 sshd[16447]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jul 31 19:28:48 itv-usvr-01 sshd[16447]: Failed password for root from 106.53.85.121 port 39814 ssh2
Jul 31 19:32:40 itv-usvr-01 sshd[16631]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jul 31 19:32:42 itv-usvr-01 sshd[16631]: Failed password for root from 106.53.85.121 port 53292 ssh2
2020-07-31 22:10:06
attack
Jul 29 15:31:16 h1745522 sshd[4638]: Invalid user jakubr from 106.53.85.121 port 48130
Jul 29 15:31:16 h1745522 sshd[4638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
Jul 29 15:31:16 h1745522 sshd[4638]: Invalid user jakubr from 106.53.85.121 port 48130
Jul 29 15:31:17 h1745522 sshd[4638]: Failed password for invalid user jakubr from 106.53.85.121 port 48130 ssh2
Jul 29 15:35:41 h1745522 sshd[4853]: Invalid user swj from 106.53.85.121 port 39334
Jul 29 15:35:41 h1745522 sshd[4853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
Jul 29 15:35:41 h1745522 sshd[4853]: Invalid user swj from 106.53.85.121 port 39334
Jul 29 15:35:43 h1745522 sshd[4853]: Failed password for invalid user swj from 106.53.85.121 port 39334 ssh2
Jul 29 15:40:08 h1745522 sshd[5110]: Invalid user zhendong from 106.53.85.121 port 58766
...
2020-07-29 22:37:51
attack
Jul 20 14:30:24 serwer sshd\[11466\]: Invalid user fh from 106.53.85.121 port 35652
Jul 20 14:30:24 serwer sshd\[11466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
Jul 20 14:30:27 serwer sshd\[11466\]: Failed password for invalid user fh from 106.53.85.121 port 35652 ssh2
...
2020-07-20 21:55:06
attackspambots
Jul  4 06:03:59 dhoomketu sshd[1262571]: Failed password for invalid user yr from 106.53.85.121 port 34538 ssh2
Jul  4 06:07:57 dhoomketu sshd[1262683]: Invalid user test from 106.53.85.121 port 53294
Jul  4 06:07:57 dhoomketu sshd[1262683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121 
Jul  4 06:07:57 dhoomketu sshd[1262683]: Invalid user test from 106.53.85.121 port 53294
Jul  4 06:07:59 dhoomketu sshd[1262683]: Failed password for invalid user test from 106.53.85.121 port 53294 ssh2
...
2020-07-04 09:28:47
attack
DATE:2020-06-22 18:59:05, IP:106.53.85.121, PORT:ssh SSH brute force auth (docker-dc)
2020-06-23 02:55:46
attackspam
Jun 13 07:53:55 ns392434 sshd[1098]: Invalid user user1 from 106.53.85.121 port 35388
Jun 13 07:53:55 ns392434 sshd[1098]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
Jun 13 07:53:55 ns392434 sshd[1098]: Invalid user user1 from 106.53.85.121 port 35388
Jun 13 07:53:56 ns392434 sshd[1098]: Failed password for invalid user user1 from 106.53.85.121 port 35388 ssh2
Jun 13 07:57:18 ns392434 sshd[1163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jun 13 07:57:20 ns392434 sshd[1163]: Failed password for root from 106.53.85.121 port 36734 ssh2
Jun 13 07:58:57 ns392434 sshd[1172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jun 13 07:58:59 ns392434 sshd[1172]: Failed password for root from 106.53.85.121 port 52400 ssh2
Jun 13 08:00:29 ns392434 sshd[1186]: Invalid user remi from 106.53.85.121 port 39814
2020-06-13 16:59:16
attackbots
Jun 12 10:40:42 journals sshd\[115587\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
Jun 12 10:40:44 journals sshd\[115587\]: Failed password for root from 106.53.85.121 port 51014 ssh2
Jun 12 10:42:53 journals sshd\[115829\]: Invalid user oracle from 106.53.85.121
Jun 12 10:42:53 journals sshd\[115829\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
Jun 12 10:42:54 journals sshd\[115829\]: Failed password for invalid user oracle from 106.53.85.121 port 45764 ssh2
...
2020-06-12 16:02:55
attack
2020-06-01T03:46:18.855049shield sshd\[20101\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01T03:46:21.229396shield sshd\[20101\]: Failed password for root from 106.53.85.121 port 47714 ssh2
2020-06-01T03:47:21.426412shield sshd\[20448\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01T03:47:23.118004shield sshd\[20448\]: Failed password for root from 106.53.85.121 port 58138 ssh2
2020-06-01T03:48:26.544706shield sshd\[20791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
2020-06-01 16:59:28
attackspam
May 27 09:25:44 inter-technics sshd[23172]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
May 27 09:25:47 inter-technics sshd[23172]: Failed password for root from 106.53.85.121 port 37260 ssh2
May 27 09:30:35 inter-technics sshd[23480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
May 27 09:30:37 inter-technics sshd[23480]: Failed password for root from 106.53.85.121 port 60668 ssh2
May 27 09:35:17 inter-technics sshd[23772]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=root
May 27 09:35:20 inter-technics sshd[23772]: Failed password for root from 106.53.85.121 port 55834 ssh2
...
2020-05-27 15:42:34
attackbotsspam
May 25 19:55:19 lamijardin sshd[21820]: Invalid user ubnt from 106.53.85.121
May 25 19:55:19 lamijardin sshd[21820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121
May 25 19:55:21 lamijardin sshd[21820]: Failed password for invalid user ubnt from 106.53.85.121 port 53158 ssh2
May 25 19:55:22 lamijardin sshd[21820]: Received disconnect from 106.53.85.121 port 53158:11: Bye Bye [preauth]
May 25 19:55:22 lamijardin sshd[21820]: Disconnected from 106.53.85.121 port 53158 [preauth]
May 25 20:07:24 lamijardin sshd[21891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.85.121  user=r.r
May 25 20:07:26 lamijardin sshd[21891]: Failed password for r.r from 106.53.85.121 port 35516 ssh2
May 25 20:07:26 lamijardin sshd[21891]: Received disconnect from 106.53.85.121 port 35516:11: Bye Bye [preauth]
May 25 20:07:26 lamijardin sshd[21891]: Disconnected from 106.53.85.121 port 35516 [........
-------------------------------
2020-05-26 09:04:44
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 106.53.85.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1658
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			409	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020052302 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun May 24 04:56:07 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 121.85.53.106.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.85.53.106.in-addr.arpa: NXDOMAIN
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$f2bV_matches
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2020-08-08 16:32:23

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