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 <<>> 104.21.55.156
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33369
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.156.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:12:50 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 156.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 156.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.87.157.202 attackspambots
Aug 26 11:45:14 auw2 sshd\[23994\]: Invalid user hank from 183.87.157.202
Aug 26 11:45:14 auw2 sshd\[23994\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.87.157.202
Aug 26 11:45:16 auw2 sshd\[23994\]: Failed password for invalid user hank from 183.87.157.202 port 53510 ssh2
Aug 26 11:49:38 auw2 sshd\[24374\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.87.157.202  user=root
Aug 26 11:49:41 auw2 sshd\[24374\]: Failed password for root from 183.87.157.202 port 54402 ssh2
2019-08-27 05:51:33
185.243.30.66 attackspam
$f2bV_matches
2019-08-27 05:22:38
37.230.221.40 attackspambots
Fail2Ban Ban Triggered
2019-08-27 05:40:31
134.209.101.147 attackspam
Aug 26 23:10:00 MK-Soft-Root2 sshd\[3021\]: Invalid user ronaldo from 134.209.101.147 port 40780
Aug 26 23:10:00 MK-Soft-Root2 sshd\[3021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.101.147
Aug 26 23:10:02 MK-Soft-Root2 sshd\[3021\]: Failed password for invalid user ronaldo from 134.209.101.147 port 40780 ssh2
...
2019-08-27 05:47:07
34.73.39.215 attack
$f2bV_matches
2019-08-27 05:30:00
45.239.155.191 attackbotsspam
port scan and connect, tcp 23 (telnet)
2019-08-27 05:39:51
179.83.253.82 attackspambots
Automatic report - Port Scan Attack
2019-08-27 05:51:52
95.9.77.153 attackspambots
Unauthorized connection attempt from IP address 95.9.77.153 on Port 445(SMB)
2019-08-27 05:14:17
195.137.202.165 attack
familiengesundheitszentrum-fulda.de 195.137.202.165 \[26/Aug/2019:21:56:50 +0200\] "POST /wp-login.php HTTP/1.1" 200 5650 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
familiengesundheitszentrum-fulda.de 195.137.202.165 \[26/Aug/2019:21:56:50 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4151 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-08-27 05:41:20
115.84.121.80 attack
Aug 26 13:45:49 web8 sshd\[28195\]: Invalid user rootkit from 115.84.121.80
Aug 26 13:45:49 web8 sshd\[28195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.84.121.80
Aug 26 13:45:51 web8 sshd\[28195\]: Failed password for invalid user rootkit from 115.84.121.80 port 55786 ssh2
Aug 26 13:50:58 web8 sshd\[30742\]: Invalid user yp from 115.84.121.80
Aug 26 13:50:58 web8 sshd\[30742\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.84.121.80
2019-08-27 05:28:14
51.255.192.217 attackspambots
Aug 26 11:15:49 web1 sshd\[26690\]: Invalid user administrator from 51.255.192.217
Aug 26 11:15:49 web1 sshd\[26690\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.192.217
Aug 26 11:15:51 web1 sshd\[26690\]: Failed password for invalid user administrator from 51.255.192.217 port 57986 ssh2
Aug 26 11:19:53 web1 sshd\[27065\]: Invalid user ldo from 51.255.192.217
Aug 26 11:19:53 web1 sshd\[27065\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.192.217
2019-08-27 05:25:36
40.73.100.56 attackspambots
Aug 26 13:49:18 plusreed sshd[1014]: Invalid user test from 40.73.100.56
...
2019-08-27 05:16:07
188.166.72.240 attackbots
leo_www
2019-08-27 05:51:06
49.88.112.90 attack
$f2bV_matches
2019-08-27 05:29:38
106.75.15.142 attackspambots
Aug 26 19:58:32 herz-der-gamer sshd[27060]: Invalid user beta from 106.75.15.142 port 52622
Aug 26 19:58:32 herz-der-gamer sshd[27060]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.15.142
Aug 26 19:58:32 herz-der-gamer sshd[27060]: Invalid user beta from 106.75.15.142 port 52622
Aug 26 19:58:35 herz-der-gamer sshd[27060]: Failed password for invalid user beta from 106.75.15.142 port 52622 ssh2
...
2019-08-27 05:20:56

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