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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.56.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26567
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.56.19.			IN	A

;; AUTHORITY SECTION:
.			407	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 80 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:37:47 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 19.56.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 19.56.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.14.149.38 attackbotsspam
Jun 28 12:09:49 onepixel sshd[1034361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.14.149.38 
Jun 28 12:09:49 onepixel sshd[1034361]: Invalid user qwer from 45.14.149.38 port 40928
Jun 28 12:09:51 onepixel sshd[1034361]: Failed password for invalid user qwer from 45.14.149.38 port 40928 ssh2
Jun 28 12:14:55 onepixel sshd[1037409]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.14.149.38  user=root
Jun 28 12:14:57 onepixel sshd[1037409]: Failed password for root from 45.14.149.38 port 33064 ssh2
2020-06-28 20:57:03
223.207.246.194 attackbotsspam
Unauthorized connection attempt from IP address 223.207.246.194 on Port 445(SMB)
2020-06-28 20:43:57
36.65.9.23 attackspambots
Unauthorized connection attempt from IP address 36.65.9.23 on Port 445(SMB)
2020-06-28 20:37:48
190.246.155.29 attackspambots
Jun 28 14:30:09 lnxded64 sshd[3889]: Failed password for root from 190.246.155.29 port 48160 ssh2
Jun 28 14:34:44 lnxded64 sshd[4788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.246.155.29
Jun 28 14:34:46 lnxded64 sshd[4788]: Failed password for invalid user vpn from 190.246.155.29 port 46946 ssh2
2020-06-28 20:48:49
41.100.224.249 attackspambots
"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:
2020-06-28 20:42:52
85.209.0.101 attackspam
 TCP (SYN) 85.209.0.101:36910 -> port 22, len 60
2020-06-28 21:02:01
1.55.255.62 attack
Unauthorized connection attempt from IP address 1.55.255.62 on Port 445(SMB)
2020-06-28 20:38:28
103.216.48.245 attack
103.216.48.245 - - [28/Jun/2020:13:13:46 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
103.216.48.245 - - [28/Jun/2020:13:13:48 +0100] "POST /wp-login.php HTTP/1.1" 200 8316 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
103.216.48.245 - - [28/Jun/2020:13:14:46 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
...
2020-06-28 21:05:40
46.38.145.250 attackbotsspam
2020-06-28 01:58:35 dovecot_login authenticator failed for \(User\) \[46.38.145.250\]: 535 Incorrect authentication data
2020-06-28 02:03:14 dovecot_login authenticator failed for \(User\) \[46.38.145.250\]: 535 Incorrect authentication data \(set_id=rt3@no-server.de\)
2020-06-28 02:03:29 dovecot_login authenticator failed for \(User\) \[46.38.145.250\]: 535 Incorrect authentication data \(set_id=rt3@no-server.de\)
2020-06-28 02:03:30 dovecot_login authenticator failed for \(User\) \[46.38.145.250\]: 535 Incorrect authentication data \(set_id=rt3@no-server.de\)
2020-06-28 02:03:32 dovecot_login authenticator failed for \(User\) \[46.38.145.250\]: 535 Incorrect authentication data \(set_id=rt3@no-server.de\)
...
2020-06-28 20:40:52
5.196.69.227 attack
Jun 28 14:30:52 vps sshd[956651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns378983.ip-5-196-69.eu
Jun 28 14:30:54 vps sshd[956651]: Failed password for invalid user bruno from 5.196.69.227 port 45934 ssh2
Jun 28 14:36:14 vps sshd[982853]: Invalid user zd from 5.196.69.227 port 44994
Jun 28 14:36:14 vps sshd[982853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns378983.ip-5-196-69.eu
Jun 28 14:36:15 vps sshd[982853]: Failed password for invalid user zd from 5.196.69.227 port 44994 ssh2
...
2020-06-28 20:52:49
185.143.73.148 attackspambots
Jun 28 14:44:48 relay postfix/smtpd\[25264\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 28 14:45:09 relay postfix/smtpd\[30594\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 28 14:45:59 relay postfix/smtpd\[1418\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 28 14:46:18 relay postfix/smtpd\[5691\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 28 14:47:10 relay postfix/smtpd\[25250\]: warning: unknown\[185.143.73.148\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-28 20:56:08
85.113.25.29 attackbotsspam
Port probing on unauthorized port 1433
2020-06-28 20:40:18
187.53.114.65 attack
Jun 28 13:31:24 gestao sshd[15047]: Failed password for root from 187.53.114.65 port 40448 ssh2
Jun 28 13:35:59 gestao sshd[15165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.53.114.65 
Jun 28 13:36:02 gestao sshd[15165]: Failed password for invalid user lyj from 187.53.114.65 port 41596 ssh2
...
2020-06-28 20:42:22
51.255.35.58 attackspambots
Jun 28 14:47:58 ns381471 sshd[5835]: Failed password for root from 51.255.35.58 port 40881 ssh2
2020-06-28 20:58:01
122.51.119.246 attackspam
2020-06-28T07:48:00.8194031495-001 sshd[64052]: Failed password for invalid user ple from 122.51.119.246 port 54300 ssh2
2020-06-28T07:50:26.1355581495-001 sshd[64170]: Invalid user play from 122.51.119.246 port 44142
2020-06-28T07:50:26.1387481495-001 sshd[64170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.119.246
2020-06-28T07:50:26.1355581495-001 sshd[64170]: Invalid user play from 122.51.119.246 port 44142
2020-06-28T07:50:28.1082911495-001 sshd[64170]: Failed password for invalid user play from 122.51.119.246 port 44142 ssh2
2020-06-28T07:55:28.0950681495-001 sshd[64367]: Invalid user stu1 from 122.51.119.246 port 52050
...
2020-06-28 20:50:33

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