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 <<>> 104.21.15.50
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35601
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.15.50.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:08:20 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 50.15.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 50.15.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
87.98.156.68 attack
Aug  4 03:30:53 h2040555 sshd[29026]: Invalid user admin from 87.98.156.68
Aug  4 03:30:55 h2040555 sshd[29026]: Failed password for invalid user admin from 87.98.156.68 port 37004 ssh2
Aug  4 03:30:55 h2040555 sshd[29026]: Connection closed by 87.98.156.68 [preauth]
Aug  4 03:30:55 h2040555 sshd[29066]: Invalid user admin from 87.98.156.68


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=87.98.156.68
2020-08-04 13:11:48
129.28.187.169 attack
Aug  4 09:45:04 gw1 sshd[1446]: Failed password for root from 129.28.187.169 port 54596 ssh2
...
2020-08-04 12:57:19
113.185.43.144 attackspambots
08/03/2020-23:58:04.453721 113.185.43.144 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-08-04 13:07:50
49.233.134.252 attack
Aug  4 06:25:00 abendstille sshd\[2037\]: Invalid user bk5080 from 49.233.134.252
Aug  4 06:25:00 abendstille sshd\[2037\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.134.252
Aug  4 06:25:02 abendstille sshd\[2037\]: Failed password for invalid user bk5080 from 49.233.134.252 port 42984 ssh2
Aug  4 06:30:20 abendstille sshd\[7087\]: Invalid user qwerty@1 from 49.233.134.252
Aug  4 06:30:20 abendstille sshd\[7087\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.134.252
...
2020-08-04 12:47:57
198.211.102.110 attackbotsspam
198.211.102.110 - - [04/Aug/2020:05:31:04 +0200] "POST /xmlrpc.php HTTP/1.1" 403 146 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
198.211.102.110 - - [04/Aug/2020:05:58:11 +0200] "POST /xmlrpc.php HTTP/1.1" 403 146 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-04 13:03:40
217.160.14.240 attackspam
/blog/profile/register/
/wordpress/profile/register/
/wp/profile/register/
/profile/register/
2020-08-04 13:09:37
222.186.15.158 attackbots
Unauthorized connection attempt detected from IP address 222.186.15.158 to port 22
2020-08-04 12:40:20
120.193.155.140 attackspam
Unauthorised connection attempt detected at AUO MAIL PRO (DE PoP). System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-08-04 13:06:42
119.152.125.162 attack
C2,WP GET /wp-login.php
2020-08-04 13:01:49
92.222.75.80 attackspam
Aug  4 05:43:09 dev0-dcde-rnet sshd[4829]: Failed password for root from 92.222.75.80 port 52025 ssh2
Aug  4 05:50:40 dev0-dcde-rnet sshd[5024]: Failed password for root from 92.222.75.80 port 58355 ssh2
2020-08-04 13:02:38
106.75.141.160 attackbots
2020-08-04T03:49:58.299650shield sshd\[25415\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.141.160  user=root
2020-08-04T03:50:00.317525shield sshd\[25415\]: Failed password for root from 106.75.141.160 port 42666 ssh2
2020-08-04T03:54:24.294129shield sshd\[25799\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.141.160  user=root
2020-08-04T03:54:26.161615shield sshd\[25799\]: Failed password for root from 106.75.141.160 port 50432 ssh2
2020-08-04T03:58:46.868476shield sshd\[26157\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.141.160  user=root
2020-08-04 12:40:53
181.40.73.86 attack
Aug  4 06:23:59 vps647732 sshd[3923]: Failed password for root from 181.40.73.86 port 14260 ssh2
...
2020-08-04 12:42:57
167.172.50.28 attackbotsspam
167.172.50.28 - - [04/Aug/2020:06:25:09 +0200] "GET /wp-login.php HTTP/1.1" 200 6310 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.172.50.28 - - [04/Aug/2020:06:25:11 +0200] "POST /wp-login.php HTTP/1.1" 200 6561 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.172.50.28 - - [04/Aug/2020:06:25:17 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-08-04 12:46:32
159.65.41.104 attack
Aug  3 18:31:53 auw2 sshd\[10801\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.41.104  user=root
Aug  3 18:31:55 auw2 sshd\[10801\]: Failed password for root from 159.65.41.104 port 44752 ssh2
Aug  3 18:35:15 auw2 sshd\[11090\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.41.104  user=root
Aug  3 18:35:17 auw2 sshd\[11090\]: Failed password for root from 159.65.41.104 port 49218 ssh2
Aug  3 18:38:44 auw2 sshd\[11346\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.41.104  user=root
2020-08-04 12:51:34
111.93.10.213 attackspam
2020-08-03T23:05:14.619187server.mjenks.net sshd[935898]: Failed password for root from 111.93.10.213 port 40418 ssh2
2020-08-03T23:07:19.410693server.mjenks.net sshd[936139]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.10.213  user=root
2020-08-03T23:07:21.673619server.mjenks.net sshd[936139]: Failed password for root from 111.93.10.213 port 43038 ssh2
2020-08-03T23:09:20.197404server.mjenks.net sshd[936382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.10.213  user=root
2020-08-03T23:09:22.404602server.mjenks.net sshd[936382]: Failed password for root from 111.93.10.213 port 45666 ssh2
...
2020-08-04 13:14:06

Recently Reported IPs

104.21.15.48 104.21.15.52 104.21.15.53 121.1.165.70
104.21.15.58 104.21.15.63 104.21.15.66 104.21.15.69
104.21.15.75 104.21.15.77 104.21.15.78 104.21.15.79
104.21.15.81 104.21.15.85 104.21.15.88 104.21.15.89
104.21.15.9 125.242.17.133 104.21.15.91 104.21.15.94