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 <<>> 104.21.42.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21541
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.121.			IN	A

;; AUTHORITY SECTION:
.			453	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:33:09 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.65.196.65 attackspambots
Port scan denied
2020-07-16 14:04:38
52.165.223.138 attackspam
Jul 16 08:06:05 mout sshd[31855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.165.223.138  user=root
Jul 16 08:06:07 mout sshd[31855]: Failed password for root from 52.165.223.138 port 21809 ssh2
Jul 16 08:06:07 mout sshd[31855]: Disconnected from authenticating user root 52.165.223.138 port 21809 [preauth]
2020-07-16 14:22:25
108.190.190.48 attackspam
Invalid user boon from 108.190.190.48 port 41072
2020-07-16 13:52:25
112.220.106.164 attack
Invalid user jolly from 112.220.106.164 port 4029
2020-07-16 13:45:34
176.53.43.111 attack
Jul 16 05:53:00 plex-server sshd[1859366]: Invalid user stb from 176.53.43.111 port 36372
Jul 16 05:53:00 plex-server sshd[1859366]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.53.43.111 
Jul 16 05:53:00 plex-server sshd[1859366]: Invalid user stb from 176.53.43.111 port 36372
Jul 16 05:53:02 plex-server sshd[1859366]: Failed password for invalid user stb from 176.53.43.111 port 36372 ssh2
Jul 16 05:56:11 plex-server sshd[1861084]: Invalid user nitesh from 176.53.43.111 port 36267
...
2020-07-16 14:07:06
14.115.31.147 attackspambots
20 attempts against mh-ssh on water
2020-07-16 13:49:45
112.85.42.172 attackbotsspam
Jul 16 05:50:30 scw-tender-jepsen sshd[3688]: Failed password for root from 112.85.42.172 port 45082 ssh2
Jul 16 05:50:35 scw-tender-jepsen sshd[3688]: Failed password for root from 112.85.42.172 port 45082 ssh2
2020-07-16 13:53:14
180.242.234.11 attackspambots
20/7/15@23:54:04: FAIL: Alarm-Network address from=180.242.234.11
20/7/15@23:54:04: FAIL: Alarm-Network address from=180.242.234.11
...
2020-07-16 14:03:51
51.77.109.213 attackspambots
Jul 16 06:36:25 lnxweb62 sshd[31144]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.109.213
2020-07-16 13:56:15
124.81.94.66 attackbots
*Port Scan* detected from 124.81.94.66 (ID/Indonesia/Jakarta/Jakarta/-). 4 hits in the last 235 seconds
2020-07-16 14:05:09
198.27.81.94 attackbotsspam
198.27.81.94 - - [16/Jul/2020:06:58:16 +0100] "POST /wp-login.php HTTP/1.1" 200 5940 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
198.27.81.94 - - [16/Jul/2020:07:01:26 +0100] "POST /wp-login.php HTTP/1.1" 200 5947 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
198.27.81.94 - - [16/Jul/2020:07:03:08 +0100] "POST /wp-login.php HTTP/1.1" 200 5947 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-07-16 14:10:29
52.247.30.42 attackbots
Jul 16 06:28:57 rancher-0 sshd[363136]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.247.30.42  user=root
Jul 16 06:28:58 rancher-0 sshd[363136]: Failed password for root from 52.247.30.42 port 10110 ssh2
...
2020-07-16 13:42:23
61.177.172.102 attackspam
Unauthorized connection attempt detected from IP address 61.177.172.102 to port 22 [T]
2020-07-16 14:17:37
115.239.208.165 attack
Invalid user celery from 115.239.208.165 port 34258
2020-07-16 13:42:07
183.88.227.76 attackbots
$f2bV_matches
2020-07-16 14:02:33

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