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 <<>> 104.21.36.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50583
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.36.121.			IN	A

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

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:12:00 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.36.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.36.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.46.123 attack
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2019-07-05 06:40:29
66.42.51.56 attackspam
WP Authentication failure
2019-07-05 06:56:47
178.128.28.54 attackspambots
Automatic report - Web App Attack
2019-07-05 06:35:44
118.113.233.11 attackspambots
FTP brute-force attack
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165.227.25.45 attackspam
Jul  4 22:23:18 XXX sshd[51143]: Invalid user ek from 165.227.25.45 port 50036
2019-07-05 07:04:10
73.74.117.89 attackbots
SSH-bruteforce attempts
2019-07-05 06:40:50
34.210.3.137 attackbots
Bad bot/spoofed identity
2019-07-05 06:52:19
77.76.128.20 attackspambots
05.07.2019 00:59:47 - Login Fail on hMailserver 
Detected by ELinOX-hMail-A2F
2019-07-05 07:10:08
207.154.254.64 attackbotsspam
Excessive Port-Scanning
2019-07-05 07:06:53
153.36.232.139 attackspambots
Jul  5 01:06:17 bouncer sshd\[11350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.232.139  user=root
Jul  5 01:06:19 bouncer sshd\[11350\]: Failed password for root from 153.36.232.139 port 58491 ssh2
Jul  5 01:06:21 bouncer sshd\[11350\]: Failed password for root from 153.36.232.139 port 58491 ssh2
...
2019-07-05 07:06:25
185.220.102.4 attack
Jul  4 22:06:24 vps65 sshd\[9980\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.220.102.4  user=root
Jul  4 22:06:26 vps65 sshd\[9980\]: Failed password for root from 185.220.102.4 port 32825 ssh2
...
2019-07-05 06:44:46
114.112.81.180 attackbots
Jul  4 22:56:31 server sshd[17359]: Failed password for invalid user direction from 114.112.81.180 port 49676 ssh2
Jul  4 22:59:32 server sshd[18000]: Failed password for invalid user sashaspaket from 114.112.81.180 port 57032 ssh2
Jul  4 23:02:00 server sshd[18549]: Failed password for invalid user user from 114.112.81.180 port 58028 ssh2
2019-07-05 06:39:27
103.249.52.5 attackspam
Jul  4 18:06:14 www sshd\[11822\]: Invalid user gf from 103.249.52.5 port 33212
...
2019-07-05 06:47:21
118.24.124.138 attack
Jul  4 14:49:17 vps sshd[28616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.124.138 
Jul  4 14:49:18 vps sshd[28616]: Failed password for invalid user teamspeak from 118.24.124.138 port 53720 ssh2
Jul  4 15:01:26 vps sshd[29055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.124.138 
...
2019-07-05 06:38:56
67.205.177.123 attack
2019-07-04T13:01:03.648399abusebot-2.cloudsearch.cf sshd\[5726\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.177.123  user=root
2019-07-05 06:43:46

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