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 <<>> 104.21.72.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7311
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.75.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:51:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 75.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.231.139.30 attack
2019-12-12T17:47:52.421428ns547587 sshd\[22339\]: Invalid user jamp from 111.231.139.30 port 44494
2019-12-12T17:47:52.423328ns547587 sshd\[22339\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.139.30
2019-12-12T17:47:54.482163ns547587 sshd\[22339\]: Failed password for invalid user jamp from 111.231.139.30 port 44494 ssh2
2019-12-12T17:54:33.687831ns547587 sshd\[490\]: Invalid user au from 111.231.139.30 port 44641
...
2019-12-13 07:02:55
106.13.34.212 attackspam
Dec 12 18:01:03 linuxvps sshd\[60905\]: Invalid user craycraft from 106.13.34.212
Dec 12 18:01:03 linuxvps sshd\[60905\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.212
Dec 12 18:01:04 linuxvps sshd\[60905\]: Failed password for invalid user craycraft from 106.13.34.212 port 60272 ssh2
Dec 12 18:07:15 linuxvps sshd\[64501\]: Invalid user toplis from 106.13.34.212
Dec 12 18:07:15 linuxvps sshd\[64501\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.34.212
2019-12-13 07:08:16
129.204.22.64 attack
Dec 13 00:29:14 lnxweb61 sshd[23370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.22.64
Dec 13 00:29:14 lnxweb61 sshd[23370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.204.22.64
2019-12-13 07:31:34
59.45.99.99 attackbots
Dec 12 23:44:05 srv01 sshd[13384]: Invalid user murakoshi from 59.45.99.99 port 47982
Dec 12 23:44:05 srv01 sshd[13384]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.45.99.99
Dec 12 23:44:05 srv01 sshd[13384]: Invalid user murakoshi from 59.45.99.99 port 47982
Dec 12 23:44:07 srv01 sshd[13384]: Failed password for invalid user murakoshi from 59.45.99.99 port 47982 ssh2
Dec 12 23:49:50 srv01 sshd[13881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.45.99.99  user=root
Dec 12 23:49:52 srv01 sshd[13881]: Failed password for root from 59.45.99.99 port 47871 ssh2
...
2019-12-13 07:33:09
132.232.52.60 attackbotsspam
Dec 12 23:52:30 srv01 sshd[14119]: Invalid user luttropp from 132.232.52.60 port 47848
Dec 12 23:52:30 srv01 sshd[14119]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.52.60
Dec 12 23:52:30 srv01 sshd[14119]: Invalid user luttropp from 132.232.52.60 port 47848
Dec 12 23:52:32 srv01 sshd[14119]: Failed password for invalid user luttropp from 132.232.52.60 port 47848 ssh2
Dec 12 23:58:53 srv01 sshd[14651]: Invalid user nfs from 132.232.52.60 port 57350
...
2019-12-13 07:31:16
218.199.68.118 attackspambots
Invalid user default from 218.199.68.118 port 54524
2019-12-13 07:16:14
68.183.153.161 attack
Dec 12 17:42:30 ny01 sshd[25227]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.153.161
Dec 12 17:42:32 ny01 sshd[25227]: Failed password for invalid user sheaffer from 68.183.153.161 port 40424 ssh2
Dec 12 17:48:02 ny01 sshd[25856]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.153.161
2019-12-13 07:14:35
217.218.83.23 attack
Dec 13 00:10:50 vps647732 sshd[26843]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.218.83.23
Dec 13 00:10:52 vps647732 sshd[26843]: Failed password for invalid user belgiantsm from 217.218.83.23 port 51806 ssh2
...
2019-12-13 07:29:15
182.180.128.134 attack
Invalid user vachel from 182.180.128.134 port 50310
2019-12-13 07:03:38
222.185.235.186 attack
Dec 13 00:25:15 ns37 sshd[12059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.185.235.186
Dec 13 00:25:15 ns37 sshd[12059]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.185.235.186
2019-12-13 07:30:03
37.214.171.113 attackbotsspam
(From drop.shipingnet@gmail.com) Top Amazon products for Electronics, Apparel, Computers, Books 
https://dropshiping.net
2019-12-13 07:35:21
89.222.181.58 attackbotsspam
2019-12-12T23:40:12.755986vps751288.ovh.net sshd\[11358\]: Invalid user mysql from 89.222.181.58 port 38778
2019-12-12T23:40:12.769888vps751288.ovh.net sshd\[11358\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.222.181.58
2019-12-12T23:40:14.347726vps751288.ovh.net sshd\[11358\]: Failed password for invalid user mysql from 89.222.181.58 port 38778 ssh2
2019-12-12T23:47:36.938688vps751288.ovh.net sshd\[11402\]: Invalid user rpm from 89.222.181.58 port 46784
2019-12-12T23:47:36.947408vps751288.ovh.net sshd\[11402\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.222.181.58
2019-12-13 07:31:59
178.128.247.181 attackbotsspam
Dec 12 13:00:07 web9 sshd\[12301\]: Invalid user koskie from 178.128.247.181
Dec 12 13:00:07 web9 sshd\[12301\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.247.181
Dec 12 13:00:08 web9 sshd\[12301\]: Failed password for invalid user koskie from 178.128.247.181 port 59592 ssh2
Dec 12 13:05:05 web9 sshd\[12995\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.247.181  user=root
Dec 12 13:05:07 web9 sshd\[12995\]: Failed password for root from 178.128.247.181 port 42252 ssh2
2019-12-13 07:21:44
109.172.158.132 attack
Telnet/23 MH Probe, BF, Hack -
2019-12-13 07:13:49
111.62.12.172 attackspam
$f2bV_matches
2019-12-13 07:12:32

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