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 <<>> 104.21.21.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49121
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.158.			IN	A

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

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:33:08 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 158.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
182.253.117.99 attack
Aug  3 05:22:59 *** sshd[7458]: User root from 182.253.117.99 not allowed because not listed in AllowUsers
2020-08-03 14:29:26
130.180.66.97 attackspambots
Aug  2 20:05:17 sachi sshd\[8204\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.180.66.97  user=root
Aug  2 20:05:19 sachi sshd\[8204\]: Failed password for root from 130.180.66.97 port 44852 ssh2
Aug  2 20:09:56 sachi sshd\[8622\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.180.66.97  user=root
Aug  2 20:09:58 sachi sshd\[8622\]: Failed password for root from 130.180.66.97 port 46732 ssh2
Aug  2 20:14:32 sachi sshd\[8967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.180.66.97  user=root
2020-08-03 14:31:31
106.55.150.24 attackspambots
Aug  3 05:53:29 vpn01 sshd[16489]: Failed password for root from 106.55.150.24 port 57250 ssh2
...
2020-08-03 14:28:18
221.229.218.50 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-03T03:53:03Z and 2020-08-03T03:58:08Z
2020-08-03 14:30:53
129.144.183.81 attackspambots
"Unauthorized connection attempt on SSHD detected"
2020-08-03 14:06:06
181.143.172.106 attackspam
2020-08-03T06:59:58.590046centos sshd[10698]: Failed password for root from 181.143.172.106 port 50016 ssh2
2020-08-03T07:04:40.155042centos sshd[10973]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.143.172.106  user=root
2020-08-03T07:04:42.257998centos sshd[10973]: Failed password for root from 181.143.172.106 port 6879 ssh2
...
2020-08-03 13:59:43
212.129.6.47 attack
212.129.6.47 - - [03/Aug/2020:05:55:11 +0200] "GET /wp-login.php HTTP/1.1" 200 5990 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
212.129.6.47 - - [03/Aug/2020:05:55:13 +0200] "POST /wp-login.php HTTP/1.1" 200 6220 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
212.129.6.47 - - [03/Aug/2020:05:55:14 +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"
2020-08-03 14:32:23
201.114.203.211 attack
"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:
2020-08-03 14:38:35
14.198.104.7 attackspam
Port probing on unauthorized port 5555
2020-08-03 14:08:47
166.152.228.206 attackspambots
Automatic report - Port Scan Attack
2020-08-03 14:04:30
36.81.132.221 attack
Automatic report - Port Scan Attack
2020-08-03 14:27:58
222.186.15.62 attackbotsspam
Aug  3 08:30:31 abendstille sshd\[23681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
Aug  3 08:30:32 abendstille sshd\[23681\]: Failed password for root from 222.186.15.62 port 54851 ssh2
Aug  3 08:30:35 abendstille sshd\[23681\]: Failed password for root from 222.186.15.62 port 54851 ssh2
Aug  3 08:30:37 abendstille sshd\[23681\]: Failed password for root from 222.186.15.62 port 54851 ssh2
Aug  3 08:30:40 abendstille sshd\[23959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
...
2020-08-03 14:34:17
99.119.36.66 attackspam
(sshd) Failed SSH login from 99.119.36.66 (US/United States/99-119-36-66.lightspeed.lsvlky.sbcglobal.net): 5 in the last 3600 secs
2020-08-03 14:39:42
107.170.249.243 attackspambots
Aug  3 06:58:02 buvik sshd[21461]: Failed password for root from 107.170.249.243 port 33834 ssh2
Aug  3 07:02:17 buvik sshd[22608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.249.243  user=root
Aug  3 07:02:19 buvik sshd[22608]: Failed password for root from 107.170.249.243 port 46800 ssh2
...
2020-08-03 14:02:09
79.118.201.28 attackspambots
Telnet Server BruteForce Attack
2020-08-03 14:14:48

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