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: United States

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.42.39
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50733
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.39.			IN	A

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

;; Query time: 103 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:14:42 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 39.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 39.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
129.205.124.238 attack
Virus on this IP !
2020-08-16 08:03:38
193.112.16.245 attackbotsspam
Aug 16 00:04:15 OPSO sshd\[7210\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.16.245  user=root
Aug 16 00:04:17 OPSO sshd\[7210\]: Failed password for root from 193.112.16.245 port 54392 ssh2
Aug 16 00:07:12 OPSO sshd\[7920\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.16.245  user=root
Aug 16 00:07:15 OPSO sshd\[7920\]: Failed password for root from 193.112.16.245 port 43578 ssh2
Aug 16 00:10:12 OPSO sshd\[8939\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.16.245  user=root
2020-08-16 08:23:40
222.186.190.2 attackspambots
Aug 15 17:19:58 dignus sshd[2938]: Failed password for root from 222.186.190.2 port 52204 ssh2
Aug 15 17:20:01 dignus sshd[2938]: Failed password for root from 222.186.190.2 port 52204 ssh2
Aug 15 17:20:05 dignus sshd[2938]: Failed password for root from 222.186.190.2 port 52204 ssh2
Aug 15 17:20:08 dignus sshd[2938]: Failed password for root from 222.186.190.2 port 52204 ssh2
Aug 15 17:20:12 dignus sshd[2938]: Failed password for root from 222.186.190.2 port 52204 ssh2
...
2020-08-16 08:22:26
182.208.185.213 attackbotsspam
2020-08-15T18:00:28.6168021495-001 sshd[48005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.185.213  user=root
2020-08-15T18:00:30.3983081495-001 sshd[48005]: Failed password for root from 182.208.185.213 port 35660 ssh2
2020-08-15T18:04:35.9029091495-001 sshd[48466]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.185.213  user=root
2020-08-15T18:04:37.5953961495-001 sshd[48466]: Failed password for root from 182.208.185.213 port 46532 ssh2
2020-08-15T18:08:42.4832341495-001 sshd[48919]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.208.185.213  user=root
2020-08-15T18:08:45.0841261495-001 sshd[48919]: Failed password for root from 182.208.185.213 port 57410 ssh2
...
2020-08-16 08:11:35
212.70.149.3 attack
Aug 16 02:01:31 v22019058497090703 postfix/smtpd[14466]: warning: unknown[212.70.149.3]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 02:01:49 v22019058497090703 postfix/smtpd[14466]: warning: unknown[212.70.149.3]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 16 02:02:08 v22019058497090703 postfix/smtpd[14466]: warning: unknown[212.70.149.3]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-16 08:04:03
134.17.94.158 attackspambots
Aug 16 01:48:51 [host] sshd[11386]: pam_unix(sshd:
Aug 16 01:48:53 [host] sshd[11386]: Failed passwor
Aug 16 01:52:05 [host] sshd[11539]: pam_unix(sshd:
2020-08-16 07:59:15
191.18.40.234 attack
Aug 15 22:20:44 *** sshd[9692]: reveeclipse mapping checking getaddrinfo for 191-18-40-234.user.vivozap.com.br [191.18.40.234] failed - POSSIBLE BREAK-IN ATTEMPT!
Aug 15 22:20:44 *** sshd[9692]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.18.40.234  user=r.r
Aug 15 22:20:46 *** sshd[9692]: Failed password for r.r from 191.18.40.234 port 32449 ssh2
Aug 15 22:20:47 *** sshd[9692]: Received disconnect from 191.18.40.234: 11: Bye Bye [preauth]
Aug 15 22:20:49 *** sshd[9698]: reveeclipse mapping checking getaddrinfo for 191-18-40-234.user.vivozap.com.br [191.18.40.234] failed - POSSIBLE BREAK-IN ATTEMPT!
Aug 15 22:20:49 *** sshd[9698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.18.40.234  user=r.r
Aug 15 22:20:51 *** sshd[9698]: Failed password for r.r from 191.18.40.234 port 32450 ssh2
Aug 15 22:20:51 *** sshd[9698]: Received disconnect from 191.18.40.234: 11: Bye Bye [preauth]
........
-------------------------------
2020-08-16 08:14:21
111.85.96.173 attackspam
Aug 16 01:41:32 vps333114 sshd[13755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.85.96.173  user=root
Aug 16 01:41:35 vps333114 sshd[13755]: Failed password for root from 111.85.96.173 port 40562 ssh2
...
2020-08-16 07:55:41
178.62.101.117 attackbotsspam
178.62.101.117 - - [15/Aug/2020:21:42:35 +0100] "POST /wp-login.php HTTP/1.1" 200 1791 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
178.62.101.117 - - [15/Aug/2020:21:42:41 +0100] "POST /wp-login.php HTTP/1.1" 200 1772 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
178.62.101.117 - - [15/Aug/2020:21:42:46 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-16 08:28:04
45.181.233.46 attackbotsspam
Automatic report - Port Scan Attack
2020-08-16 08:21:15
75.163.99.93 attack
2020-08-15T23:23:35.347221mail.capacul.net sshd[5936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=75-163-99-93.omah.qwest.net  user=r.r
2020-08-15T23:23:37.443548mail.capacul.net sshd[5936]: Failed password for r.r from 75.163.99.93 port 43766 ssh2
2020-08-15T23:23:39.028018mail.capacul.net sshd[5936]: Failed password for r.r from 75.163.99.93 port 43766 ssh2
2020-08-15T23:23:41.141046mail.capacul.net sshd[5936]: Failed password for r.r from 75.163.99.93 port 43766 ssh2
2020-08-15T23:23:43.852419mail.capacul.net sshd[5936]: Failed password for r.r from 75.163.99.93 port 43766 ssh2

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=75.163.99.93
2020-08-16 08:28:32
79.143.20.130 attackbots
Brute forcing RDP port 3389
2020-08-16 08:01:08
116.218.131.209 attackspam
Aug 15 23:52:37 *hidden* sshd[58180]: Failed password for *hidden* from 116.218.131.209 port 7625 ssh2 Aug 15 23:55:31 *hidden* sshd[58625]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.218.131.209 user=root Aug 15 23:55:34 *hidden* sshd[58625]: Failed password for *hidden* from 116.218.131.209 port 10168 ssh2
2020-08-16 08:11:11
192.241.230.18 attackbotsspam
1597524187 - 08/15/2020 22:43:07 Host: 192.241.230.18/192.241.230.18 Port: 161 UDP Blocked
...
2020-08-16 08:13:24
45.141.85.66 attackbots
Triggered: repeated knocking on closed ports.
2020-08-16 08:16:25

Recently Reported IPs

104.21.42.33 104.21.42.45 104.21.42.48 104.21.42.5
76.167.32.251 104.21.42.52 104.21.42.55 104.21.42.56
104.21.42.6 249.10.237.63 104.21.42.61 104.21.42.69
235.9.212.102 104.21.42.70 104.21.42.73 104.21.42.76
104.21.42.80 104.21.42.84 49.99.219.178 104.21.42.89