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
attackspambots
Aug  2 23:42:43 eventyay sshd[21819]: Failed password for root from 106.53.51.138 port 33256 ssh2
Aug  2 23:46:11 eventyay sshd[21915]: Failed password for root from 106.53.51.138 port 43110 ssh2
...
2020-08-03 05:58:42
attackspam
Lines containing failures of 106.53.51.138
Aug  1 12:17:33 shared02 sshd[10445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.51.138  user=r.r
Aug  1 12:17:35 shared02 sshd[10445]: Failed password for r.r from 106.53.51.138 port 51166 ssh2
Aug  1 12:17:35 shared02 sshd[10445]: Received disconnect from 106.53.51.138 port 51166:11: Bye Bye [preauth]
Aug  1 12:17:35 shared02 sshd[10445]: Disconnected from authenticating user r.r 106.53.51.138 port 51166 [preauth]
Aug  1 12:24:23 shared02 sshd[12697]: Connection closed by 106.53.51.138 port 32986 [preauth]
Aug  1 12:30:42 shared02 sshd[15675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.51.138  user=r.r
Aug  1 12:30:44 shared02 sshd[15675]: Failed password for r.r from 106.53.51.138 port 40160 ssh2
Aug  1 12:30:44 shared02 sshd[15675]: Received disconnect from 106.53.51.138 port 40160:11: Bye Bye [preauth]
Aug  1 12:30:44 sha........
------------------------------
2020-08-03 02:39:05
attackspambots
Lines containing failures of 106.53.51.138
Aug  1 12:17:33 shared02 sshd[10445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.51.138  user=r.r
Aug  1 12:17:35 shared02 sshd[10445]: Failed password for r.r from 106.53.51.138 port 51166 ssh2
Aug  1 12:17:35 shared02 sshd[10445]: Received disconnect from 106.53.51.138 port 51166:11: Bye Bye [preauth]
Aug  1 12:17:35 shared02 sshd[10445]: Disconnected from authenticating user r.r 106.53.51.138 port 51166 [preauth]
Aug  1 12:24:23 shared02 sshd[12697]: Connection closed by 106.53.51.138 port 32986 [preauth]
Aug  1 12:30:42 shared02 sshd[15675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.51.138  user=r.r
Aug  1 12:30:44 shared02 sshd[15675]: Failed password for r.r from 106.53.51.138 port 40160 ssh2
Aug  1 12:30:44 shared02 sshd[15675]: Received disconnect from 106.53.51.138 port 40160:11: Bye Bye [preauth]
Aug  1 12:30:44 sha........
------------------------------
2020-08-02 16:48:44
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 106.53.51.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55721
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

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

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Aug 02 16:48:39 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 138.51.53.106.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.51.53.106.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.213.201.232 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-18 17:41:34
49.236.213.248 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-18 17:10:39
36.78.155.1 attackspam
36.78.155.1 - - \[17/Feb/2020:21:24:53 -0800\] "POST /index.php/admin HTTP/1.1" 404 2057036.78.155.1 - - \[17/Feb/2020:21:24:54 -0800\] "POST /index.php/admin/ HTTP/1.1" 404 2057436.78.155.1 - - \[17/Feb/2020:21:24:54 -0800\] "POST /index.php/admin/index/ HTTP/1.1" 404 20598
...
2020-02-18 17:29:00
49.245.100.3 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-18 17:04:08
222.186.15.158 attack
Feb 18 09:59:40 h2177944 sshd\[23058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.158  user=root
Feb 18 09:59:42 h2177944 sshd\[23058\]: Failed password for root from 222.186.15.158 port 18787 ssh2
Feb 18 09:59:45 h2177944 sshd\[23058\]: Failed password for root from 222.186.15.158 port 18787 ssh2
Feb 18 09:59:48 h2177944 sshd\[23058\]: Failed password for root from 222.186.15.158 port 18787 ssh2
...
2020-02-18 17:04:30
178.128.220.8 attackspam
Automatically reported by fail2ban report script (mx1)
2020-02-18 17:33:36
42.200.206.225 attackspam
Feb 18 03:43:32 vmd17057 sshd[3901]: Invalid user PS from 42.200.206.225 port 60376
Feb 18 03:43:32 vmd17057 sshd[3901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.200.206.225
Feb 18 03:43:34 vmd17057 sshd[3901]: Failed password for invalid user PS from 42.200.206.225 port 60376 ssh2
...
2020-02-18 17:10:56
212.112.97.194 attack
Feb 18 07:40:25 vps647732 sshd[1969]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.112.97.194
Feb 18 07:40:27 vps647732 sshd[1969]: Failed password for invalid user gerald from 212.112.97.194 port 35490 ssh2
...
2020-02-18 17:26:45
79.76.27.84 attackspam
Fail2Ban Ban Triggered
2020-02-18 17:07:32
185.176.27.246 attackbots
Feb 18 10:21:36 debian-2gb-nbg1-2 kernel: \[4276912.353731\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.246 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=40649 PROTO=TCP SPT=40930 DPT=6352 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-18 17:21:42
52.33.81.41 attackbots
Automatic report - SSH Brute-Force Attack
2020-02-18 17:27:03
129.211.124.29 attackspambots
Feb 18 09:05:29 MK-Soft-VM3 sshd[31892]: Failed password for root from 129.211.124.29 port 56850 ssh2
Feb 18 09:09:23 MK-Soft-VM3 sshd[32066]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.124.29 
...
2020-02-18 17:10:01
123.51.162.52 attackspam
Feb 18 06:34:37 lnxmysql61 sshd[17975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.51.162.52
2020-02-18 17:14:59
122.219.108.172 attackspam
Feb 18 06:53:17 ncomp sshd[9718]: Invalid user earl from 122.219.108.172
Feb 18 06:53:17 ncomp sshd[9718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.219.108.172
Feb 18 06:53:17 ncomp sshd[9718]: Invalid user earl from 122.219.108.172
Feb 18 06:53:19 ncomp sshd[9718]: Failed password for invalid user earl from 122.219.108.172 port 36038 ssh2
2020-02-18 17:17:06
42.247.22.66 attackbotsspam
Feb 18 07:01:04 dedicated sshd[13143]: Invalid user buck from 42.247.22.66 port 47962
2020-02-18 17:19:30

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