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: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 203.12.66.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62313
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;203.12.66.51.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012501 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 06:19:19 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 51.66.12.203.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.66.12.203.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
54.194.174.169 attackspam
Honeypot attack, port: 445, PTR: ec2-54-194-174-169.eu-west-1.compute.amazonaws.com.
2019-08-03 15:39:30
172.96.118.14 attack
Aug  3 06:50:02 tux-35-217 sshd\[22593\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.96.118.14  user=root
Aug  3 06:50:05 tux-35-217 sshd\[22593\]: Failed password for root from 172.96.118.14 port 48112 ssh2
Aug  3 06:50:07 tux-35-217 sshd\[22593\]: Failed password for root from 172.96.118.14 port 48112 ssh2
Aug  3 06:50:17 tux-35-217 sshd\[22593\]: Failed password for root from 172.96.118.14 port 48112 ssh2
...
2019-08-03 15:15:29
165.22.118.101 attack
Aug  3 09:50:24 www sshd\[238054\]: Invalid user distccd from 165.22.118.101
Aug  3 09:50:24 www sshd\[238054\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.118.101
Aug  3 09:50:26 www sshd\[238054\]: Failed password for invalid user distccd from 165.22.118.101 port 56292 ssh2
...
2019-08-03 15:23:17
14.169.65.210 attackbotsspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-08-03 03:23:05,728 INFO [amun_request_handler] PortScan Detected on Port: 445 (14.169.65.210)
2019-08-03 15:27:05
41.179.253.229 attackbots
fail2ban honeypot
2019-08-03 15:55:25
184.105.247.247 attackbots
Portscan or hack attempt detected by psad/fwsnort
2019-08-03 15:17:06
176.31.170.245 attack
Automatic report - Banned IP Access
2019-08-03 15:22:11
139.196.97.22 attackspam
Automatic report - Banned IP Access
2019-08-03 15:52:19
103.45.251.212 attackbots
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-08-03 04:09:13,946 INFO [shellcode_manager] (103.45.251.212) no match, writing hexdump (bde6a867b5dbddcca3cee6675258a156 :2072061) - MS17010 (EternalBlue)
2019-08-03 15:58:43
78.189.178.117 attackspambots
Aug  2 01:43:37 localhost kernel: [15968810.477459] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=78.189.178.117 DST=[mungedIP2] LEN=44 TOS=0x00 PREC=0x00 TTL=48 ID=31535 PROTO=TCP SPT=23426 DPT=52869 SEQ=758669438 ACK=0 WINDOW=30378 RES=0x00 SYN URGP=0 OPT (020405A0) 
Aug  3 00:49:36 localhost kernel: [16051969.642897] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=78.189.178.117 DST=[mungedIP2] LEN=44 TOS=0x00 PREC=0x00 TTL=48 ID=53608 PROTO=TCP SPT=23426 DPT=52869 WINDOW=30378 RES=0x00 SYN URGP=0 
Aug  3 00:49:36 localhost kernel: [16051969.642924] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:84:83:95:84:78:ac:57:a8:41:08:00 SRC=78.189.178.117 DST=[mungedIP2] LEN=44 TOS=0x00 PREC=0x00 TTL=48 ID=53608 PROTO=TCP SPT=23426 DPT=52869 SEQ=758669438 ACK=0 WINDOW=30378 RES=0x00 SYN URGP=0 OPT (020405A0)
2019-08-03 15:56:44
68.168.221.141 attack
Aug  3 04:41:34 XXX sshd[16602]: reveeclipse mapping checking getaddrinfo for server.ecuadornoticias.net [68.168.221.141] failed - POSSIBLE BREAK-IN ATTEMPT!
Aug  3 04:41:34 XXX sshd[16602]: Invalid user ubnt from 68.168.221.141
Aug  3 04:41:34 XXX sshd[16602]: Received disconnect from 68.168.221.141: 11: Bye Bye [preauth]
Aug  3 04:41:35 XXX sshd[16604]: reveeclipse mapping checking getaddrinfo for server.ecuadornoticias.net [68.168.221.141] failed - POSSIBLE BREAK-IN ATTEMPT!
Aug  3 04:41:35 XXX sshd[16604]: Invalid user admin from 68.168.221.141
Aug  3 04:41:35 XXX sshd[16604]: Received disconnect from 68.168.221.141: 11: Bye Bye [preauth]
Aug  3 04:41:36 XXX sshd[16606]: reveeclipse mapping checking getaddrinfo for server.ecuadornoticias.net [68.168.221.141] failed - POSSIBLE BREAK-IN ATTEMPT!
Aug  3 04:41:36 XXX sshd[16606]: User r.r from 68.168.221.141 not allowed because none of user's groups are listed in AllowGroups
Aug  3 04:41:36 XXX sshd[16606]: Received dis........
-------------------------------
2019-08-03 15:12:06
5.55.173.41 attackbotsspam
Telnet Server BruteForce Attack
2019-08-03 15:36:08
5.45.164.175 attack
2019-08-02T20:13:24.000427game.arvenenaske.de sshd[122561]: Invalid user admin from 5.45.164.175 port 54281
2019-08-02T20:13:24.004525game.arvenenaske.de sshd[122561]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.45.164.175 user=admin
2019-08-02T20:13:24.005415game.arvenenaske.de sshd[122561]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.45.164.175
2019-08-02T20:13:24.000427game.arvenenaske.de sshd[122561]: Invalid user admin from 5.45.164.175 port 54281
2019-08-02T20:13:25.753254game.arvenenaske.de sshd[122561]: Failed password for invalid user admin from 5.45.164.175 port 54281 ssh2
2019-08-02T20:13:26.408632game.arvenenaske.de sshd[122561]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.45.164.175 user=admin
2019-08-02T20:13:24.004525game.arvenenaske.de sshd[122561]: pam_sss(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh........
------------------------------
2019-08-03 15:13:49
91.90.188.100 attack
Honeypot attack, port: 445, PTR: 91-90-188-100.noc.fibertech.net.pl.
2019-08-03 15:53:44
185.173.35.45 attackspam
firewall-block, port(s): 2323/tcp
2019-08-03 15:15:51

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