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: None

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 <<>> 104.21.12.187
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25527
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.187.			IN	A

;; AUTHORITY SECTION:
.			342	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:15 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 187.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 187.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
41.77.146.98 attack
Jan  9 06:39:03 hanapaa sshd\[9707\]: Invalid user upload from 41.77.146.98
Jan  9 06:39:03 hanapaa sshd\[9707\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.77.146.98
Jan  9 06:39:04 hanapaa sshd\[9707\]: Failed password for invalid user upload from 41.77.146.98 port 57626 ssh2
Jan  9 06:43:18 hanapaa sshd\[10215\]: Invalid user tom1 from 41.77.146.98
Jan  9 06:43:18 hanapaa sshd\[10215\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.77.146.98
2020-01-10 02:26:56
171.4.240.143 attackspambots
scan r
2020-01-10 02:06:32
178.16.175.146 attackspambots
Jan  9 18:50:28 plex sshd[15578]: Invalid user ger from 178.16.175.146 port 26970
2020-01-10 02:01:35
81.99.94.231 attackbotsspam
Telnet/23 MH Probe, BF, Hack -
2020-01-10 02:32:38
45.226.77.162 attack
Telnet/23 MH Probe, BF, Hack -
2020-01-10 02:23:06
144.217.242.247 attackspam
"SSH brute force auth login attempt."
2020-01-10 01:55:28
116.203.127.92 attackspam
fraudulent SSH attempt
2020-01-10 02:20:11
153.122.84.178 attackbotsspam
Jan  9 01:50:13 penfold sshd[20212]: Invalid user samba from 153.122.84.178 port 60892
Jan  9 01:50:13 penfold sshd[20212]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.122.84.178 
Jan  9 01:50:16 penfold sshd[20212]: Failed password for invalid user samba from 153.122.84.178 port 60892 ssh2
Jan  9 01:50:16 penfold sshd[20212]: Received disconnect from 153.122.84.178 port 60892:11: Bye Bye [preauth]
Jan  9 01:50:16 penfold sshd[20212]: Disconnected from 153.122.84.178 port 60892 [preauth]
Jan  9 02:04:48 penfold sshd[20742]: Invalid user teamspeak1 from 153.122.84.178 port 34120
Jan  9 02:04:48 penfold sshd[20742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.122.84.178 
Jan  9 02:04:51 penfold sshd[20742]: Failed password for invalid user teamspeak1 from 153.122.84.178 port 34120 ssh2
Jan  9 02:04:51 penfold sshd[20742]: Received disconnect from 153.122.84.178 port 34120:11: B........
-------------------------------
2020-01-10 02:04:42
183.81.79.28 attack
Unauthorized connection attempt detected from IP address 183.81.79.28 to port 23 [T]
2020-01-10 02:06:50
5.14.77.129 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-01-10 02:29:25
108.79.29.33 attackspam
Telnetd brute force attack detected by fail2ban
2020-01-10 01:58:48
58.56.114.150 attack
Jan  9 04:55:10 wbs sshd\[23589\]: Invalid user testuser0 from 58.56.114.150
Jan  9 04:55:10 wbs sshd\[23589\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.114.150
Jan  9 04:55:13 wbs sshd\[23589\]: Failed password for invalid user testuser0 from 58.56.114.150 port 1417 ssh2
Jan  9 04:57:34 wbs sshd\[23797\]: Invalid user ubuntu from 58.56.114.150
Jan  9 04:57:34 wbs sshd\[23797\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.114.150
2020-01-10 02:14:35
220.132.21.134 attackbots
Telnet/23 MH Probe, BF, Hack -
2020-01-10 02:17:19
63.81.87.239 attackspam
Postfix RBL failed
2020-01-10 02:23:45
185.153.196.80 attackspam
Portscan or hack attempt detected by psad/fwsnort
2020-01-10 01:54:05

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