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 <<>> 104.21.54.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56171
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.100.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 100.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
182.61.136.167 attackbotsspam
May  4 14:36:30  sshd\[32352\]: User root from 182.61.136.167 not allowed because not listed in AllowUsersMay  4 14:36:33  sshd\[32352\]: Failed password for invalid user root from 182.61.136.167 port 48578 ssh2
...
2020-05-04 23:33:09
106.12.132.224 attack
prod8
...
2020-05-04 23:03:17
170.130.69.2 attackbotsspam
Spam
2020-05-04 23:16:39
49.235.33.171 attackspambots
May  4 14:09:27 icinga sshd[40514]: Failed password for root from 49.235.33.171 port 41666 ssh2
May  4 14:13:06 icinga sshd[46741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.33.171 
May  4 14:13:08 icinga sshd[46741]: Failed password for invalid user emmanuel from 49.235.33.171 port 46664 ssh2
...
2020-05-04 23:19:43
176.31.120.169 attackbots
May  3 22:52:36 josie sshd[23596]: Invalid user radio from 176.31.120.169
May  3 22:52:36 josie sshd[23596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.120.169 
May  3 22:52:38 josie sshd[23596]: Failed password for invalid user radio from 176.31.120.169 port 33266 ssh2
May  3 22:52:38 josie sshd[23597]: Received disconnect from 176.31.120.169: 11: Bye Bye
May  3 23:02:53 josie sshd[25475]: Invalid user griffin from 176.31.120.169
May  3 23:02:53 josie sshd[25475]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.120.169 
May  3 23:02:55 josie sshd[25475]: Failed password for invalid user griffin from 176.31.120.169 port 49512 ssh2
May  3 23:02:55 josie sshd[25477]: Received disconnect from 176.31.120.169: 11: Bye Bye
May  3 23:08:02 josie sshd[26349]: Invalid user facebook from 176.31.120.169
May  3 23:08:02 josie sshd[26349]: pam_unix(sshd:auth): authentication failure; l........
-------------------------------
2020-05-04 23:28:59
185.88.178.186 attack
Automatic report - XMLRPC Attack
2020-05-04 23:15:58
45.65.173.26 attack
Unauthorized connection attempt detected from IP address 45.65.173.26 to port 23
2020-05-04 23:30:44
94.158.42.57 attack
" "
2020-05-04 23:11:28
51.83.248.45 attackbotsspam
May  4 16:58:36 plex sshd[14037]: Invalid user st from 51.83.248.45 port 49176
2020-05-04 23:07:37
112.85.42.195 attack
2020-05-04T17:16:18.242218sd-86998 sshd[15651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
2020-05-04T17:16:19.758573sd-86998 sshd[15651]: Failed password for root from 112.85.42.195 port 14503 ssh2
2020-05-04T17:16:22.321513sd-86998 sshd[15651]: Failed password for root from 112.85.42.195 port 14503 ssh2
2020-05-04T17:16:18.242218sd-86998 sshd[15651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
2020-05-04T17:16:19.758573sd-86998 sshd[15651]: Failed password for root from 112.85.42.195 port 14503 ssh2
2020-05-04T17:16:22.321513sd-86998 sshd[15651]: Failed password for root from 112.85.42.195 port 14503 ssh2
2020-05-04T17:16:18.242218sd-86998 sshd[15651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.195  user=root
2020-05-04T17:16:19.758573sd-86998 sshd[15651]: Failed password for root from 112.85.
...
2020-05-04 23:23:16
99.183.144.132 attackspam
May  4 14:12:53 santamaria sshd\[6761\]: Invalid user debora from 99.183.144.132
May  4 14:12:53 santamaria sshd\[6761\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=99.183.144.132
May  4 14:12:55 santamaria sshd\[6761\]: Failed password for invalid user debora from 99.183.144.132 port 43770 ssh2
...
2020-05-04 23:28:03
121.141.75.184 attack
SSH brutforce
2020-05-04 23:22:41
118.145.8.50 attackbotsspam
May  4 15:41:28 MainVPS sshd[28663]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.145.8.50  user=root
May  4 15:41:30 MainVPS sshd[28663]: Failed password for root from 118.145.8.50 port 60093 ssh2
May  4 15:44:56 MainVPS sshd[31676]: Invalid user boris from 118.145.8.50 port 47964
May  4 15:44:56 MainVPS sshd[31676]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.145.8.50
May  4 15:44:56 MainVPS sshd[31676]: Invalid user boris from 118.145.8.50 port 47964
May  4 15:44:58 MainVPS sshd[31676]: Failed password for invalid user boris from 118.145.8.50 port 47964 ssh2
...
2020-05-04 23:10:28
114.45.141.113 attack
1588594395 - 05/04/2020 14:13:15 Host: 114.45.141.113/114.45.141.113 Port: 445 TCP Blocked
2020-05-04 23:07:06
114.67.74.139 attackbots
May  4 23:03:18 localhost sshd[886193]: Invalid user rosanna from 114.67.74.139 port 60132
...
2020-05-04 23:06:35

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