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 <<>> 104.21.19.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15094
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.30.			IN	A

;; AUTHORITY SECTION:
.			524	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 08:18:42 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 30.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 30.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
102.114.33.136 attackspam
Apr  7 07:56:44 host sshd[22755]: Invalid user pi from 102.114.33.136 port 20032
Apr  7 07:56:44 host sshd[22753]: Invalid user pi from 102.114.33.136 port 51182
...
2020-04-07 15:54:11
80.82.78.20 attack
Port-scan: detected 139 distinct ports within a 24-hour window.
2020-04-07 15:30:50
122.51.217.131 attackspambots
Apr  7 06:52:34 * sshd[16020]: Failed password for root from 122.51.217.131 port 37630 ssh2
Apr  7 06:56:12 * sshd[16431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.217.131
2020-04-07 15:30:17
222.191.243.226 attackspam
Apr  7 09:27:02 odroid64 sshd\[25007\]: Invalid user ubuntu from 222.191.243.226
Apr  7 09:27:02 odroid64 sshd\[25007\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.191.243.226
...
2020-04-07 15:46:07
51.83.57.157 attackspam
Apr  7 00:47:24 server1 sshd\[27079\]: Failed password for ubuntu from 51.83.57.157 port 40678 ssh2
Apr  7 00:50:56 server1 sshd\[28104\]: Invalid user git from 51.83.57.157
Apr  7 00:50:56 server1 sshd\[28104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.57.157 
Apr  7 00:50:59 server1 sshd\[28104\]: Failed password for invalid user git from 51.83.57.157 port 51322 ssh2
Apr  7 00:54:31 server1 sshd\[29212\]: Invalid user admin from 51.83.57.157
...
2020-04-07 15:25:46
111.161.41.156 attack
$f2bV_matches
2020-04-07 15:52:23
178.248.87.116 attackbotsspam
Apr  6 19:41:22 web9 sshd\[14895\]: Invalid user eduardo2 from 178.248.87.116
Apr  6 19:41:22 web9 sshd\[14895\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.248.87.116
Apr  6 19:41:25 web9 sshd\[14895\]: Failed password for invalid user eduardo2 from 178.248.87.116 port 35522 ssh2
Apr  6 19:45:29 web9 sshd\[15437\]: Invalid user postgres from 178.248.87.116
Apr  6 19:45:29 web9 sshd\[15437\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.248.87.116
2020-04-07 16:05:32
50.227.195.3 attackbots
$f2bV_matches
2020-04-07 15:31:23
222.186.173.238 attackbots
04/07/2020-03:16:58.561334 222.186.173.238 Protocol: 6 ET SCAN Potential SSH Scan
2020-04-07 15:22:55
91.123.24.44 attackbotsspam
Apr  7 14:29:30 f sshd\[31512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.123.24.44  user=root
Apr  7 14:29:32 f sshd\[31512\]: Failed password for root from 91.123.24.44 port 53926 ssh2
Apr  7 15:54:12 f sshd\[590\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.123.24.44  user=root
...
2020-04-07 16:06:08
218.92.0.184 attack
Apr  7 09:30:39 nextcloud sshd\[5539\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.184  user=root
Apr  7 09:30:41 nextcloud sshd\[5539\]: Failed password for root from 218.92.0.184 port 26748 ssh2
Apr  7 09:30:57 nextcloud sshd\[6200\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.184  user=root
2020-04-07 15:50:22
51.75.201.28 attackbotsspam
Apr  7 06:43:01 lukav-desktop sshd\[773\]: Invalid user user from 51.75.201.28
Apr  7 06:43:01 lukav-desktop sshd\[773\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.201.28
Apr  7 06:43:03 lukav-desktop sshd\[773\]: Failed password for invalid user user from 51.75.201.28 port 41666 ssh2
Apr  7 06:50:48 lukav-desktop sshd\[1053\]: Invalid user user from 51.75.201.28
Apr  7 06:50:48 lukav-desktop sshd\[1053\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.201.28
2020-04-07 15:49:04
210.1.19.131 attack
Apr  7 09:19:38 [HOSTNAME] sshd[32255]: Invalid user deploy from 210.1.19.131 port 58821
Apr  7 09:19:38 [HOSTNAME] sshd[32255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.1.19.131
Apr  7 09:19:39 [HOSTNAME] sshd[32255]: Failed password for invalid user deploy from 210.1.19.131 port 58821 ssh2
...
2020-04-07 15:46:52
77.55.209.75 attackspambots
SSH/22 MH Probe, BF, Hack -
2020-04-07 15:53:22
212.129.57.201 attackspam
Apr  7 07:40:47 icinga sshd[63544]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.57.201 
Apr  7 07:40:49 icinga sshd[63544]: Failed password for invalid user dods from 212.129.57.201 port 54445 ssh2
Apr  7 07:49:07 icinga sshd[12108]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.57.201 
...
2020-04-07 15:33:03

Recently Reported IPs

104.21.19.28 104.21.19.54 104.21.19.6 67.109.22.126
187.64.157.166 104.21.19.88 104.21.2.129 85.191.198.108
104.21.2.130 104.21.2.136 104.21.2.140 104.21.2.148
104.21.2.157 53.204.103.146 104.21.2.162 104.21.2.176
104.21.2.192 104.21.2.240 163.126.20.113 173.161.16.181