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 <<>> 104.21.56.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36549
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.56.158.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:37:43 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 158.56.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.56.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
31.17.248.137 attackspam
Apr 24 14:00:24 ns382633 sshd\[26155\]: Invalid user pi from 31.17.248.137 port 64464
Apr 24 14:00:25 ns382633 sshd\[26155\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.17.248.137
Apr 24 14:00:25 ns382633 sshd\[26157\]: Invalid user pi from 31.17.248.137 port 64442
Apr 24 14:00:25 ns382633 sshd\[26157\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.17.248.137
Apr 24 14:00:26 ns382633 sshd\[26155\]: Failed password for invalid user pi from 31.17.248.137 port 64464 ssh2
Apr 24 14:00:26 ns382633 sshd\[26157\]: Failed password for invalid user pi from 31.17.248.137 port 64442 ssh2
2020-04-25 04:21:06
211.104.171.239 attackbotsspam
Apr 24 21:58:33 server sshd[44128]: Failed password for invalid user raoul from 211.104.171.239 port 46203 ssh2
Apr 24 21:59:50 server sshd[44683]: Failed password for invalid user developer from 211.104.171.239 port 54922 ssh2
Apr 24 22:00:49 server sshd[45274]: Failed password for invalid user clock from 211.104.171.239 port 34012 ssh2
2020-04-25 04:19:56
157.230.234.117 attackspam
157.230.234.117 - - [24/Apr/2020:19:58:39 +0200] "GET /wp-login.php HTTP/1.1" 200 6108 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.230.234.117 - - [24/Apr/2020:19:58:42 +0200] "POST /wp-login.php HTTP/1.1" 200 6338 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.230.234.117 - - [24/Apr/2020:19:58:43 +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"
2020-04-25 04:21:22
14.190.153.50 attack
1587729650 - 04/24/2020 14:00:50 Host: 14.190.153.50/14.190.153.50 Port: 445 TCP Blocked
2020-04-25 03:53:41
203.207.58.230 attack
Email rejected due to spam filtering
2020-04-25 03:58:16
222.223.121.231 attack
Apr 24 14:00:27 h1745522 proftpd[12331]: 0.0.0.0 (222.223.121.231[222.223.121.231]) - USER anonymous: no such user found from 222.223.121.231 [222.223.121.231] to 85.214.254.6:21
Apr 24 14:00:30 h1745522 proftpd[12332]: 0.0.0.0 (222.223.121.231[222.223.121.231]) - USER nutshell (Login failed): Incorrect password
Apr 24 14:00:33 h1745522 proftpd[12335]: 0.0.0.0 (222.223.121.231[222.223.121.231]) - USER nutshell (Login failed): Incorrect password
Apr 24 14:00:37 h1745522 proftpd[12336]: 0.0.0.0 (222.223.121.231[222.223.121.231]) - USER nutshell (Login failed): Incorrect password
Apr 24 14:00:42 h1745522 proftpd[12338]: 0.0.0.0 (222.223.121.231[222.223.121.231]) - USER nutshell (Login failed): Incorrect password
...
2020-04-25 03:59:28
186.4.242.37 attackbotsspam
Apr 24 20:00:25 xeon sshd[60151]: Failed password for invalid user foxi from 186.4.242.37 port 44652 ssh2
2020-04-25 04:21:59
103.56.206.231 attackspam
Apr 24 19:45:48 vps647732 sshd[23614]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.56.206.231
Apr 24 19:45:50 vps647732 sshd[23614]: Failed password for invalid user ireneusz from 103.56.206.231 port 45404 ssh2
...
2020-04-25 03:58:31
189.124.4.20 attackbotsspam
Unauthorized connection attempt detected from IP address 189.124.4.20 to port 88
2020-04-25 04:00:48
68.183.12.127 attackbotsspam
Invalid user wx from 68.183.12.127 port 40486
2020-04-25 04:19:07
103.94.6.69 attackspam
$f2bV_matches
2020-04-25 04:21:46
182.48.230.18 attackbotsspam
Invalid user gd from 182.48.230.18 port 46484
2020-04-25 04:01:11
129.204.19.9 attackbots
Apr 24 17:23:18 gw1 sshd[27837]: Failed password for root from 129.204.19.9 port 33586 ssh2
Apr 24 17:26:09 gw1 sshd[28076]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.19.9
...
2020-04-25 04:23:33
114.39.193.137 attackspam
1587729655 - 04/24/2020 14:00:55 Host: 114.39.193.137/114.39.193.137 Port: 445 TCP Blocked
2020-04-25 03:50:09
193.169.4.176 attackspambots
Unauthorized connection attempt from IP address 193.169.4.176 on Port 445(SMB)
2020-04-25 04:08:17

Recently Reported IPs

104.21.56.156 104.21.56.152 104.21.56.157 104.21.56.17
209.100.79.2 104.21.56.173 104.21.56.178 104.21.56.16
104.21.7.52 104.21.56.183 104.21.56.181 104.21.56.189
104.21.56.192 104.21.56.19 104.21.56.197 104.21.56.194
104.21.56.205 104.21.56.196 104.21.56.209 104.21.7.53