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 <<>> 104.21.54.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59835
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.75.			IN	A

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

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:09:53 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 75.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.104.232.99 attack
Jan  8 22:08:23 host sshd[65343]: Invalid user tgc from 103.104.232.99 port 58400
...
2020-01-09 07:53:40
71.62.129.30 attackspambots
SSH authentication failure x 6 reported by Fail2Ban
...
2020-01-09 08:30:25
173.195.204.98 attackbotsspam
RDP Bruteforce
2020-01-09 08:19:51
128.72.49.45 attack
2020-01-08T11:22:38.7880921495-001 sshd[61146]: Invalid user kuat from 128.72.49.45 port 39462
2020-01-08T11:22:38.7983621495-001 sshd[61146]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128-72-49-45.broadband.corbina.ru
2020-01-08T11:22:38.7880921495-001 sshd[61146]: Invalid user kuat from 128.72.49.45 port 39462
2020-01-08T11:22:41.3350771495-001 sshd[61146]: Failed password for invalid user kuat from 128.72.49.45 port 39462 ssh2
2020-01-08T11:47:05.1009751495-001 sshd[63190]: Invalid user admin9 from 128.72.49.45 port 40240
2020-01-08T11:47:05.1100681495-001 sshd[63190]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128-72-49-45.broadband.corbina.ru
2020-01-08T11:47:05.1009751495-001 sshd[63190]: Invalid user admin9 from 128.72.49.45 port 40240
2020-01-08T11:47:07.2291081495-001 sshd[63190]: Failed password for invalid user admin9 from 128.72.49.45 port 40240 ssh2
2020-01-08T12:09:34........
------------------------------
2020-01-09 07:54:42
218.95.211.190 attackspam
Jan  8 22:07:17 nextcloud sshd\[24003\]: Invalid user user from 218.95.211.190
Jan  8 22:07:17 nextcloud sshd\[24003\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.95.211.190
Jan  8 22:07:19 nextcloud sshd\[24003\]: Failed password for invalid user user from 218.95.211.190 port 38554 ssh2
...
2020-01-09 08:22:20
2.58.29.146 attackspam
Brute force attack stopped by firewall
2020-01-09 08:27:05
36.110.118.129 attack
Jan  8 18:08:00 ws22vmsma01 sshd[5709]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.110.118.129
Jan  8 18:08:02 ws22vmsma01 sshd[5709]: Failed password for invalid user cir from 36.110.118.129 port 48232 ssh2
...
2020-01-09 08:05:59
49.88.112.62 attack
Jan  9 01:21:52 dedicated sshd[28122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.62  user=root
Jan  9 01:21:55 dedicated sshd[28122]: Failed password for root from 49.88.112.62 port 15129 ssh2
2020-01-09 08:24:40
89.248.168.202 attack
01/09/2020-00:45:17.199371 89.248.168.202 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-01-09 08:14:20
82.81.66.106 attackbotsspam
Automatic report - Port Scan Attack
2020-01-09 08:23:35
182.61.163.126 attackbotsspam
Jan  8 22:04:26 legacy sshd[12375]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.163.126
Jan  8 22:04:28 legacy sshd[12375]: Failed password for invalid user vl from 182.61.163.126 port 49320 ssh2
Jan  8 22:07:50 legacy sshd[12597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.163.126
...
2020-01-09 08:11:12
49.235.42.177 attack
Jan  8 22:04:24 powerpi2 sshd[17116]: Invalid user user from 49.235.42.177 port 60794
Jan  8 22:04:26 powerpi2 sshd[17116]: Failed password for invalid user user from 49.235.42.177 port 60794 ssh2
Jan  8 22:08:37 powerpi2 sshd[17343]: Invalid user oo from 49.235.42.177 port 59326
...
2020-01-09 07:58:05
110.173.181.88 attack
Jan  5 18:31:51 kor-s-enter sshd[17854]: Invalid user postgres from 110.173.181.88 port 55092
Jan  5 18:31:51 kor-s-enter sshd[17854]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.173.181.88
Jan  5 18:31:52 kor-s-enter sshd[17854]: Failed password for invalid user postgres from 110.173.181.88 port 55092 ssh2
Jan  5 19:06:23 kor-s-enter sshd[20389]: Invalid user nrg from 110.173.181.88 port 50628
Jan  5 19:06:23 kor-s-enter sshd[20389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.173.181.88
Jan  5 19:06:25 kor-s-enter sshd[20389]: Failed password for invalid user nrg from 110.173.181.88 port 50628 ssh2
Jan  5 19:07:57 kor-s-enter sshd[20407]: Invalid user nardin from 110.173.181.88 port 55004
Jan  5 19:07:57 kor-s-enter sshd[20407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.173.181.88
Jan  5 19:08:00 kor-s-enter sshd[20407]: Fail........
------------------------------
2020-01-09 07:55:12
35.187.173.200 attackspam
2020-01-08T22:57:59.408266abusebot.cloudsearch.cf sshd[26775]: Invalid user jboss from 35.187.173.200 port 39368
2020-01-08T22:57:59.415196abusebot.cloudsearch.cf sshd[26775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.173.187.35.bc.googleusercontent.com
2020-01-08T22:57:59.408266abusebot.cloudsearch.cf sshd[26775]: Invalid user jboss from 35.187.173.200 port 39368
2020-01-08T22:58:01.287203abusebot.cloudsearch.cf sshd[26775]: Failed password for invalid user jboss from 35.187.173.200 port 39368 ssh2
2020-01-08T22:59:47.423339abusebot.cloudsearch.cf sshd[26872]: Invalid user user from 35.187.173.200 port 59386
2020-01-08T22:59:47.429788abusebot.cloudsearch.cf sshd[26872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.173.187.35.bc.googleusercontent.com
2020-01-08T22:59:47.423339abusebot.cloudsearch.cf sshd[26872]: Invalid user user from 35.187.173.200 port 59386
2020-01-08T22:59:49.573234abus
...
2020-01-09 07:53:11
118.70.12.246 attackbotsspam
20/1/8@17:42:02: FAIL: Alarm-Network address from=118.70.12.246
...
2020-01-09 08:30:56

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