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
attackspam
Aug 18 21:25:40 server sshd[14812]: Failed password for root from 106.53.66.103 port 45184 ssh2
Aug 18 21:43:43 server sshd[9830]: Failed password for invalid user sga from 106.53.66.103 port 50654 ssh2
Aug 18 21:51:16 server sshd[21148]: Failed password for root from 106.53.66.103 port 58466 ssh2
2020-08-19 04:32:46
attackbots
2020-07-08T03:09:57.717696hostname sshd[14268]: Invalid user user from 106.53.66.103 port 41410
2020-07-08T03:09:59.810086hostname sshd[14268]: Failed password for invalid user user from 106.53.66.103 port 41410 ssh2
2020-07-08T03:12:37.412754hostname sshd[15493]: Invalid user clair from 106.53.66.103 port 58940
...
2020-07-08 06:37:01
attack
5x Failed Password
2020-06-29 13:06:44
attack
Wordpress malicious attack:[sshd]
2020-06-13 16:48:04
attack
Jun  8 21:01:20 game-panel sshd[4095]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
Jun  8 21:01:22 game-panel sshd[4095]: Failed password for invalid user sgirs from 106.53.66.103 port 49604 ssh2
Jun  8 21:05:43 game-panel sshd[4322]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
2020-06-09 05:07:05
attackspambots
SSH login attempts.
2020-06-06 20:33:02
attack
Jun  1 02:21:03 web1 sshd\[12611\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
Jun  1 02:21:05 web1 sshd\[12611\]: Failed password for root from 106.53.66.103 port 49024 ssh2
Jun  1 02:24:15 web1 sshd\[12903\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
Jun  1 02:24:18 web1 sshd\[12903\]: Failed password for root from 106.53.66.103 port 58648 ssh2
Jun  1 02:27:39 web1 sshd\[13257\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
2020-06-01 22:17:02
attackspambots
Wordpress malicious attack:[sshd]
2020-05-22 17:34:46
attack
May 15 06:04:07 vps687878 sshd\[23780\]: Failed password for invalid user userftp from 106.53.66.103 port 56618 ssh2
May 15 06:08:26 vps687878 sshd\[24220\]: Invalid user postgres from 106.53.66.103 port 49226
May 15 06:08:26 vps687878 sshd\[24220\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
May 15 06:08:28 vps687878 sshd\[24220\]: Failed password for invalid user postgres from 106.53.66.103 port 49226 ssh2
May 15 06:12:47 vps687878 sshd\[24753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
...
2020-05-15 14:09:25
attackbotsspam
Invalid user jack from 106.53.66.103 port 42742
2020-05-02 18:23:04
attackspam
SSH Brute-Force reported by Fail2Ban
2020-04-17 23:43:56
attack
SSH Authentication Attempts Exceeded
2020-04-02 01:14:05
attack
Tried sshing with brute force.
2020-03-23 20:43:41
attackbots
Mar 18 00:57:12 firewall sshd[9902]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
Mar 18 00:57:15 firewall sshd[9902]: Failed password for root from 106.53.66.103 port 35950 ssh2
Mar 18 00:58:41 firewall sshd[10053]: Invalid user patrol from 106.53.66.103
...
2020-03-18 12:01:01
attack
Feb 25 22:28:19 vpn01 sshd[7546]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
Feb 25 22:28:21 vpn01 sshd[7546]: Failed password for invalid user hadoop from 106.53.66.103 port 41022 ssh2
...
2020-02-26 05:42:29
attackspam
Feb 25 08:27:25 lnxweb61 sshd[27076]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
2020-02-25 15:43:20
attack
Feb 12 15:20:27 ovpn sshd\[14245\]: Invalid user shop from 106.53.66.103
Feb 12 15:20:27 ovpn sshd\[14245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
Feb 12 15:20:28 ovpn sshd\[14245\]: Failed password for invalid user shop from 106.53.66.103 port 51584 ssh2
Feb 12 15:37:47 ovpn sshd\[18400\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
Feb 12 15:37:49 ovpn sshd\[18400\]: Failed password for root from 106.53.66.103 port 47306 ssh2
2020-02-13 04:05:29
attack
Feb  6 20:18:28 firewall sshd[11273]: Invalid user tra from 106.53.66.103
Feb  6 20:18:30 firewall sshd[11273]: Failed password for invalid user tra from 106.53.66.103 port 51892 ssh2
Feb  6 20:21:42 firewall sshd[11417]: Invalid user kuq from 106.53.66.103
...
2020-02-07 08:20:44
attack
Jan  3 05:45:38 tuxlinux sshd[62574]: Invalid user admin from 106.53.66.103 port 40472
Jan  3 05:45:38 tuxlinux sshd[62574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103 
Jan  3 05:45:38 tuxlinux sshd[62574]: Invalid user admin from 106.53.66.103 port 40472
Jan  3 05:45:38 tuxlinux sshd[62574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103 
Jan  3 05:45:38 tuxlinux sshd[62574]: Invalid user admin from 106.53.66.103 port 40472
Jan  3 05:45:38 tuxlinux sshd[62574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103 
Jan  3 05:45:39 tuxlinux sshd[62574]: Failed password for invalid user admin from 106.53.66.103 port 40472 ssh2
...
2020-01-03 19:16:15
attackbotsspam
SSH Brute Force
2019-12-16 05:40:34
attackspambots
Dec  7 12:38:07 zx01vmsma01 sshd[13880]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
Dec  7 12:38:09 zx01vmsma01 sshd[13880]: Failed password for invalid user riggen from 106.53.66.103 port 33638 ssh2
...
2019-12-07 20:48:37
attack
Nov 29 13:20:25 vps666546 sshd\[30887\]: Invalid user weblogic from 106.53.66.103 port 46342
Nov 29 13:20:25 vps666546 sshd\[30887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103
Nov 29 13:20:28 vps666546 sshd\[30887\]: Failed password for invalid user weblogic from 106.53.66.103 port 46342 ssh2
Nov 29 13:24:09 vps666546 sshd\[30959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=root
Nov 29 13:24:12 vps666546 sshd\[30959\]: Failed password for root from 106.53.66.103 port 50836 ssh2
...
2019-11-29 20:43:47
attackbotsspam
Nov 29 00:14:53 plusreed sshd[21872]: Invalid user park from 106.53.66.103
...
2019-11-29 13:15:13
attackbots
Nov 22 17:13:58 : SSH login attempts with invalid user
2019-11-23 08:04:28
attackspambots
no
2019-11-16 06:01:26
attackspam
SSH bruteforce (Triggered fail2ban)
2019-11-04 03:03:53
attack
Oct 22 13:11:32 fv15 sshd[6377]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=r.r
Oct 22 13:11:34 fv15 sshd[6377]: Failed password for r.r from 106.53.66.103 port 36182 ssh2
Oct 22 13:11:34 fv15 sshd[6377]: Received disconnect from 106.53.66.103: 11: Bye Bye [preauth]
Oct 22 13:24:25 fv15 sshd[16052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.103  user=r.r
Oct 22 13:24:27 fv15 sshd[16052]: Failed password for r.r from 106.53.66.103 port 41096 ssh2
Oct 22 13:24:27 fv15 sshd[16052]: Received disconnect from 106.53.66.103: 11: Bye Bye [preauth]
Oct 22 13:29:05 fv15 sshd[21071]: Failed password for invalid user ze from 106.53.66.103 port 49814 ssh2
Oct 22 13:29:05 fv15 sshd[21071]: Received disconnect from 106.53.66.103: 11: Bye Bye [preauth]
Oct 22 13:33:37 fv15 sshd[8718]: Failed password for invalid user local from 106.53.66.103 port 58554 ssh2
Oct 22 13........
-------------------------------
2019-10-25 19:03:23
Comments on same subnet:
IP Type Details Datetime
106.53.66.91 attack
port scan and connect, tcp 80 (http)
2019-11-04 00:12:42
106.53.66.58 attackbots
2019-09-30T09:36:19.5848871495-001 sshd\[44819\]: Failed password for invalid user vtdc from 106.53.66.58 port 47952 ssh2
2019-09-30T09:46:53.1972861495-001 sshd\[45489\]: Invalid user strand from 106.53.66.58 port 45304
2019-09-30T09:46:53.2052471495-001 sshd\[45489\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.58
2019-09-30T09:46:55.1688091495-001 sshd\[45489\]: Failed password for invalid user strand from 106.53.66.58 port 45304 ssh2
2019-09-30T09:50:28.2693081495-001 sshd\[45702\]: Invalid user user from 106.53.66.58 port 44428
2019-09-30T09:50:28.2783081495-001 sshd\[45702\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.66.58
...
2019-09-30 22:01:42
106.53.66.110 attackspambots
Invalid user erica from 106.53.66.110 port 37288
2019-08-19 14:16:33
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 106.53.66.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63536
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			504	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019102500 1800 900 604800 86400

;; Query time: 110 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Oct 25 19:03:20 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 103.66.53.106.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.66.53.106.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
182.61.41.203 attackbots
Nov  6 12:43:12 wbs sshd\[10669\]: Invalid user 1 from 182.61.41.203
Nov  6 12:43:12 wbs sshd\[10669\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.41.203
Nov  6 12:43:14 wbs sshd\[10669\]: Failed password for invalid user 1 from 182.61.41.203 port 45064 ssh2
Nov  6 12:48:08 wbs sshd\[11049\]: Invalid user !!\*!!\* from 182.61.41.203
Nov  6 12:48:08 wbs sshd\[11049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.41.203
2019-11-07 06:50:21
181.49.219.114 attackbots
Nov  7 04:13:48 gw1 sshd[8743]: Failed password for root from 181.49.219.114 port 51159 ssh2
...
2019-11-07 07:21:34
221.231.26.209 attack
Forbidden directory scan :: 2019/11/06 22:46:24 [error] 9952#9952: *30118 access forbidden by rule, client: 221.231.26.209, server: [censored_1], request: "GET /.../exchange-2010-how-to-force-address-book-updates HTTP/1.1", host: "www.[censored_1]"
2019-11-07 07:02:26
205.185.118.143 attackbotsspam
DATE:2019-11-06 23:45:39, IP:205.185.118.143, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2019-11-07 07:21:16
182.213.82.126 attack
$f2bV_matches
2019-11-07 07:04:51
80.211.245.103 attack
SSH Bruteforce attack
2019-11-07 07:11:03
181.48.134.65 attackspambots
2019-11-07T00:45:13.750305tmaserv sshd\[6855\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.134.65  user=root
2019-11-07T00:45:15.904578tmaserv sshd\[6855\]: Failed password for root from 181.48.134.65 port 45830 ssh2
2019-11-07T01:00:14.547729tmaserv sshd\[7578\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.134.65  user=root
2019-11-07T01:00:16.059699tmaserv sshd\[7578\]: Failed password for root from 181.48.134.65 port 51804 ssh2
2019-11-07T01:04:16.384600tmaserv sshd\[7863\]: Invalid user bbs from 181.48.134.65 port 32902
2019-11-07T01:04:16.390147tmaserv sshd\[7863\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.134.65
...
2019-11-07 07:25:46
45.119.212.105 attackspam
Nov  6 22:42:38 ip-172-31-0-213 sshd\[3298\]: Invalid user oracle from 45.119.212.105
Nov  6 22:44:26 ip-172-31-0-213 sshd\[3304\]: Invalid user postgres from 45.119.212.105
Nov  6 22:46:20 ip-172-31-0-213 sshd\[3307\]: Invalid user admin from 45.119.212.105
...
2019-11-07 06:51:14
218.92.0.186 attack
Nov  6 23:14:19 venus sshd\[12573\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.186  user=root
Nov  6 23:14:22 venus sshd\[12573\]: Failed password for root from 218.92.0.186 port 53456 ssh2
Nov  6 23:14:24 venus sshd\[12573\]: Failed password for root from 218.92.0.186 port 53456 ssh2
...
2019-11-07 07:18:10
187.75.7.142 attackspambots
May 24 04:38:20 vbuntu sshd[14425]: warning: /etc/hosts.allow, line 11: can't verify hostname: getaddrinfo(187-75-7-142.dsl.telesp.net.br, AF_INET) failed
May 24 04:38:20 vbuntu sshd[14425]: refused connect from 187.75.7.142 (187.75.7.142)
May 24 04:43:07 vbuntu sshd[14579]: warning: /etc/hosts.allow, line 11: can't verify hostname: getaddrinfo(187-75-7-142.dsl.telesp.net.br, AF_INET) failed
May 24 04:43:07 vbuntu sshd[14579]: refused connect from 187.75.7.142 (187.75.7.142)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=187.75.7.142
2019-11-07 07:09:46
51.83.138.91 attackspam
51.83.138.91 was recorded 40 times by 21 hosts attempting to connect to the following ports: 33389,33891,43389,33893,53389,23389,33896,3388,33892,33894,63389,13389. Incident counter (4h, 24h, all-time): 40, 131, 409
2019-11-07 07:00:21
46.38.144.57 attackbots
Nov  6 23:53:13 relay postfix/smtpd\[23489\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  6 23:53:56 relay postfix/smtpd\[15778\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  6 23:54:22 relay postfix/smtpd\[19298\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  6 23:55:04 relay postfix/smtpd\[15778\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  6 23:55:28 relay postfix/smtpd\[27667\]: warning: unknown\[46.38.144.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-11-07 07:00:42
185.176.27.178 attack
Nov  6 23:40:17 mc1 kernel: \[4366314.807461\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.178 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=65289 PROTO=TCP SPT=52915 DPT=7519 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  6 23:40:42 mc1 kernel: \[4366339.736494\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.178 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=62598 PROTO=TCP SPT=52915 DPT=40471 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  6 23:46:20 mc1 kernel: \[4366678.063575\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.178 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=3658 PROTO=TCP SPT=52915 DPT=13766 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-11-07 07:04:16
209.173.253.226 attackbots
Nov  6 23:25:40 ovpn sshd\[32464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.173.253.226  user=root
Nov  6 23:25:42 ovpn sshd\[32464\]: Failed password for root from 209.173.253.226 port 44246 ssh2
Nov  6 23:42:55 ovpn sshd\[3751\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.173.253.226  user=root
Nov  6 23:42:58 ovpn sshd\[3751\]: Failed password for root from 209.173.253.226 port 43890 ssh2
Nov  6 23:46:23 ovpn sshd\[4511\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.173.253.226  user=root
2019-11-07 07:02:53
118.117.29.63 attack
Multiple failed FTP logins
2019-11-07 07:08:09

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