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: None

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 <<>> 104.21.53.208
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48976
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.208.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:58:15 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 208.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 208.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
212.237.53.169 attackbots
Dec  2 03:31:22 php1 sshd\[1367\]: Invalid user nfs from 212.237.53.169
Dec  2 03:31:22 php1 sshd\[1367\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.53.169
Dec  2 03:31:23 php1 sshd\[1367\]: Failed password for invalid user nfs from 212.237.53.169 port 47998 ssh2
Dec  2 03:37:07 php1 sshd\[1874\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.53.169  user=root
Dec  2 03:37:09 php1 sshd\[1874\]: Failed password for root from 212.237.53.169 port 59480 ssh2
2019-12-02 22:03:29
77.85.169.19 attack
IP was detected trying to Brute-Force SSH, FTP, Web Apps or Hacking.
2019-12-02 22:02:26
113.98.117.141 attackbots
1433/tcp
[2019-12-02]1pkt
2019-12-02 21:36:03
51.77.210.216 attack
2019-12-02T14:05:09.543889shield sshd\[14936\]: Invalid user mysql from 51.77.210.216 port 43816
2019-12-02T14:05:09.548207shield sshd\[14936\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.ip-51-77-210.eu
2019-12-02T14:05:11.538988shield sshd\[14936\]: Failed password for invalid user mysql from 51.77.210.216 port 43816 ssh2
2019-12-02T14:10:45.515628shield sshd\[15783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.ip-51-77-210.eu  user=root
2019-12-02T14:10:46.965616shield sshd\[15783\]: Failed password for root from 51.77.210.216 port 55130 ssh2
2019-12-02 22:11:23
79.137.72.98 attackspam
2019-12-02T13:19:26.945366shield sshd\[2758\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.ip-79-137-72.eu  user=root
2019-12-02T13:19:28.364235shield sshd\[2758\]: Failed password for root from 79.137.72.98 port 46037 ssh2
2019-12-02T13:27:03.736836shield sshd\[4000\]: Invalid user hung from 79.137.72.98 port 51935
2019-12-02T13:27:03.741323shield sshd\[4000\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.ip-79-137-72.eu
2019-12-02T13:27:05.567321shield sshd\[4000\]: Failed password for invalid user hung from 79.137.72.98 port 51935 ssh2
2019-12-02 21:31:17
51.255.35.58 attack
$f2bV_matches
2019-12-02 22:05:08
79.137.86.205 attack
21 attempts against mh-ssh on echoip.magehost.pro
2019-12-02 21:43:14
51.254.119.79 attack
Automatic report - SSH Brute-Force Attack
2019-12-02 21:41:11
200.86.33.140 attackbots
Dec  2 03:27:31 php1 sshd\[897\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.86.33.140  user=root
Dec  2 03:27:33 php1 sshd\[897\]: Failed password for root from 200.86.33.140 port 59724 ssh2
Dec  2 03:37:22 php1 sshd\[1894\]: Invalid user shoiriki from 200.86.33.140
Dec  2 03:37:22 php1 sshd\[1894\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.86.33.140
Dec  2 03:37:24 php1 sshd\[1894\]: Failed password for invalid user shoiriki from 200.86.33.140 port 46499 ssh2
2019-12-02 21:49:53
192.99.152.121 attackspam
Dec  2 14:30:17 vps691689 sshd[21518]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.152.121
Dec  2 14:30:20 vps691689 sshd[21518]: Failed password for invalid user pacifique from 192.99.152.121 port 59356 ssh2
Dec  2 14:37:21 vps691689 sshd[21712]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.152.121
...
2019-12-02 21:50:54
218.93.33.52 attack
Dec  2 18:23:15 webhost01 sshd[4094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.93.33.52
Dec  2 18:23:17 webhost01 sshd[4094]: Failed password for invalid user smp from 218.93.33.52 port 43590 ssh2
...
2019-12-02 21:32:22
51.75.30.199 attackspambots
Dec  2 03:13:53 web1 sshd\[29430\]: Invalid user webapp from 51.75.30.199
Dec  2 03:13:53 web1 sshd\[29430\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.30.199
Dec  2 03:13:55 web1 sshd\[29430\]: Failed password for invalid user webapp from 51.75.30.199 port 33530 ssh2
Dec  2 03:19:31 web1 sshd\[30113\]: Invalid user reponse from 51.75.30.199
Dec  2 03:19:31 web1 sshd\[30113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.30.199
2019-12-02 21:36:30
113.7.23.182 attackspambots
Dec207:21:20server2pure-ftpd:\(\?@113.7.23.182\)[WARNING]Authenticationfailedforuser[anonymous]Dec207:21:23server2pure-ftpd:\(\?@113.7.23.182\)[WARNING]Authenticationfailedforuser[www]Dec207:21:30server2pure-ftpd:\(\?@113.7.23.182\)[WARNING]Authenticationfailedforuser[ticinosystem]Dec207:21:30server2pure-ftpd:\(\?@113.7.23.182\)[WARNING]Authenticationfailedforuser[www]Dec207:21:38server2pure-ftpd:\(\?@113.7.23.182\)[WARNING]Authenticationfailedforuser[www]
2019-12-02 22:12:36
138.68.105.194 attack
Dec  2 14:37:33 srv206 sshd[20224]: Invalid user gjefsen from 138.68.105.194
...
2019-12-02 21:40:13
86.102.88.242 attack
$f2bV_matches
2019-12-02 22:10:34

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