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 <<>> 104.21.19.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24735
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.21.			IN	A

;; AUTHORITY SECTION:
.			155	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:32:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.245.181.2 attackbotsspam
Nov  2 00:55:02 sauna sshd[164881]: Failed password for root from 103.245.181.2 port 36706 ssh2
...
2019-11-02 07:12:44
82.50.153.197 attack
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/82.50.153.197/ 
 
 IT - 1H : (96)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : IT 
 NAME ASN : ASN3269 
 
 IP : 82.50.153.197 
 
 CIDR : 82.50.0.0/16 
 
 PREFIX COUNT : 550 
 
 UNIQUE IP COUNT : 19507712 
 
 
 ATTACKS DETECTED ASN3269 :  
  1H - 7 
  3H - 10 
  6H - 16 
 12H - 29 
 24H - 66 
 
 DateTime : 2019-11-01 21:12:53 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-11-02 07:11:51
167.172.138.156 attackspam
Triggered: repeated knocking on closed ports.
2019-11-02 07:23:56
18.194.194.113 attackspambots
Nov  1 21:01:59 olgosrv01 sshd[28438]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-194-194-113.eu-central-1.compute.amazonaws.com  user=r.r
Nov  1 21:02:01 olgosrv01 sshd[28438]: Failed password for r.r from 18.194.194.113 port 49718 ssh2
Nov  1 21:02:01 olgosrv01 sshd[28438]: Received disconnect from 18.194.194.113: 11: Bye Bye [preauth]
Nov  1 21:08:20 olgosrv01 sshd[28834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-194-194-113.eu-central-1.compute.amazonaws.com  user=r.r
Nov  1 21:08:22 olgosrv01 sshd[28834]: Failed password for r.r from 18.194.194.113 port 50124 ssh2
Nov  1 21:08:22 olgosrv01 sshd[28834]: Received disconnect from 18.194.194.113: 11: Bye Bye [preauth]
Nov  1 21:12:14 olgosrv01 sshd[29124]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-18-194-194-113.eu-central-1.compute.amazonaws.com  user=r.r
Nov  1 21........
-------------------------------
2019-11-02 07:35:21
182.176.119.86 attack
23/tcp
[2019-11-01]1pkt
2019-11-02 07:00:12
106.13.52.247 attackbots
Nov  1 22:00:18 srv01 sshd[26711]: Invalid user purchase from 106.13.52.247
Nov  1 22:00:18 srv01 sshd[26711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.52.247
Nov  1 22:00:18 srv01 sshd[26711]: Invalid user purchase from 106.13.52.247
Nov  1 22:00:20 srv01 sshd[26711]: Failed password for invalid user purchase from 106.13.52.247 port 45310 ssh2
Nov  1 22:04:43 srv01 sshd[26991]: Invalid user maxim from 106.13.52.247
...
2019-11-02 07:21:56
88.247.250.203 attackbotsspam
Automatic report - Banned IP Access
2019-11-02 07:35:45
171.6.234.19 attackspam
445/tcp
[2019-11-01]1pkt
2019-11-02 07:29:41
69.229.0.17 attackspambots
Invalid user mirror04 from 69.229.0.17 port 47403
2019-11-02 07:03:31
58.18.136.56 attackspam
2019-11-01T22:48:02Z - RDP login failed multiple times. (58.18.136.56)
2019-11-02 07:19:08
211.103.154.9 attackspambots
1433/tcp
[2019-11-01]1pkt
2019-11-02 07:04:53
157.245.135.74 attack
157.245.135.74 - - [01/Nov/2019:22:40:39 +0100] "POST /wp-login.php HTTP/1.1" 200 2112 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.245.135.74 - - [01/Nov/2019:22:40:45 +0100] "POST /wp-login.php HTTP/1.1" 200 2093 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2019-11-02 07:33:23
185.80.55.151 attackspam
slow and persistent scanner
2019-11-02 07:38:25
49.88.112.114 attackspam
Nov  1 13:33:32 hpm sshd\[23217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
Nov  1 13:33:34 hpm sshd\[23217\]: Failed password for root from 49.88.112.114 port 55499 ssh2
Nov  1 13:34:25 hpm sshd\[23280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
Nov  1 13:34:26 hpm sshd\[23280\]: Failed password for root from 49.88.112.114 port 55227 ssh2
Nov  1 13:35:16 hpm sshd\[23350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.114  user=root
2019-11-02 07:37:04
77.235.21.147 attack
Nov  1 20:58:35 keyhelp sshd[15254]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.235.21.147  user=r.r
Nov  1 20:58:38 keyhelp sshd[15254]: Failed password for r.r from 77.235.21.147 port 49102 ssh2
Nov  1 20:58:38 keyhelp sshd[15254]: Received disconnect from 77.235.21.147 port 49102:11: Bye Bye [preauth]
Nov  1 20:58:38 keyhelp sshd[15254]: Disconnected from 77.235.21.147 port 49102 [preauth]
Nov  1 21:03:29 keyhelp sshd[15829]: Invalid user admin from 77.235.21.147
Nov  1 21:03:29 keyhelp sshd[15829]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.235.21.147
Nov  1 21:03:32 keyhelp sshd[15829]: Failed password for invalid user admin from 77.235.21.147 port 38054 ssh2
Nov  1 21:03:32 keyhelp sshd[15829]: Received disconnect from 77.235.21.147 port 38054:11: Bye Bye [preauth]
Nov  1 21:03:32 keyhelp sshd[15829]: Disconnected from 77.235.21.147 port 38054 [preauth]


........
---------------------------------------------
2019-11-02 07:16:30

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