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 <<>> 104.21.39.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5783
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.66.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022100 1800 900 604800 86400

;; Query time: 22 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 13:58:04 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
123.206.13.46 attackspambots
2019-10-20T12:00:07.913845abusebot-3.cloudsearch.cf sshd\[17481\]: Invalid user rtorrent from 123.206.13.46 port 47850
2019-10-21 00:59:31
159.65.146.141 attackbots
Oct 20 15:32:45 pkdns2 sshd\[20032\]: Invalid user debian@123 from 159.65.146.141Oct 20 15:32:47 pkdns2 sshd\[20032\]: Failed password for invalid user debian@123 from 159.65.146.141 port 52464 ssh2Oct 20 15:36:54 pkdns2 sshd\[20205\]: Invalid user tandy from 159.65.146.141Oct 20 15:36:56 pkdns2 sshd\[20205\]: Failed password for invalid user tandy from 159.65.146.141 port 34500 ssh2Oct 20 15:41:03 pkdns2 sshd\[20418\]: Invalid user Black123 from 159.65.146.141Oct 20 15:41:05 pkdns2 sshd\[20418\]: Failed password for invalid user Black123 from 159.65.146.141 port 44764 ssh2
...
2019-10-21 00:58:14
179.108.242.13 attackbotsspam
DATE:2019-10-20 14:00:44, IP:179.108.242.13, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2019-10-21 00:29:26
198.211.110.133 attack
Invalid user apache from 198.211.110.133 port 50798
2019-10-21 00:50:00
61.93.201.198 attack
SSH bruteforce (Triggered fail2ban)
2019-10-21 00:02:17
134.209.21.229 attackbots
port scan and connect, tcp 23 (telnet)
2019-10-21 00:59:08
139.198.189.36 attack
ssh failed login
2019-10-21 00:16:57
188.165.242.200 attackspam
Oct 20 16:52:01 icinga sshd[17837]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.242.200 
Oct 20 16:52:02 icinga sshd[17837]: Failed password for invalid user robert from 188.165.242.200 port 34338 ssh2
Oct 20 17:00:33 icinga sshd[23068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.242.200 
...
2019-10-21 00:50:44
178.62.75.60 attack
Automatic report - Banned IP Access
2019-10-21 00:42:12
77.247.110.195 attack
" "
2019-10-21 00:43:53
207.180.239.212 attack
Oct 20 06:24:36 php1 sshd\[18407\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.180.239.212  user=root
Oct 20 06:24:38 php1 sshd\[18407\]: Failed password for root from 207.180.239.212 port 52436 ssh2
Oct 20 06:28:42 php1 sshd\[18967\]: Invalid user prueba from 207.180.239.212
Oct 20 06:28:42 php1 sshd\[18967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.180.239.212
Oct 20 06:28:44 php1 sshd\[18967\]: Failed password for invalid user prueba from 207.180.239.212 port 53310 ssh2
2019-10-21 00:29:04
160.153.156.135 attack
Automatic report - XMLRPC Attack
2019-10-21 00:33:07
171.249.138.65 attackspam
SSH Brute-Force reported by Fail2Ban
2019-10-21 00:13:52
45.136.110.16 attackspam
ET CINS Active Threat Intelligence Poor Reputation IP group 32 - port: 3390 proto: TCP cat: Misc Attack
2019-10-21 00:44:14
140.143.196.66 attack
Oct 20 03:28:10 php1 sshd\[9933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.196.66  user=root
Oct 20 03:28:13 php1 sshd\[9933\]: Failed password for root from 140.143.196.66 port 52348 ssh2
Oct 20 03:34:03 php1 sshd\[10749\]: Invalid user webmaster from 140.143.196.66
Oct 20 03:34:03 php1 sshd\[10749\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.196.66
Oct 20 03:34:05 php1 sshd\[10749\]: Failed password for invalid user webmaster from 140.143.196.66 port 59936 ssh2
2019-10-21 00:03:22

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