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 <<>> 104.21.21.143
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23099
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.143.			IN	A

;; AUTHORITY SECTION:
.			163	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:33:00 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 143.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 143.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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100.26.233.238 attack
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2019-07-06 23:48:33
103.9.88.248 attackbots
Jul  6 16:32:11 bouncer sshd\[23358\]: Invalid user mitchell from 103.9.88.248 port 65522
Jul  6 16:32:11 bouncer sshd\[23358\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.9.88.248 
Jul  6 16:32:13 bouncer sshd\[23358\]: Failed password for invalid user mitchell from 103.9.88.248 port 65522 ssh2
...
2019-07-07 00:10:39
117.4.99.116 attackbots
Unauthorized connection attempt from IP address 117.4.99.116 on Port 445(SMB)
2019-07-07 00:34:14
31.135.115.210 attackspam
Unauthorized connection attempt from IP address 31.135.115.210 on Port 445(SMB)
2019-07-07 00:19:38
123.30.240.39 attack
Jul  6 16:07:33 localhost sshd\[16625\]: Invalid user cmschine from 123.30.240.39
Jul  6 16:07:33 localhost sshd\[16625\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.30.240.39
Jul  6 16:07:35 localhost sshd\[16625\]: Failed password for invalid user cmschine from 123.30.240.39 port 42806 ssh2
Jul  6 16:10:21 localhost sshd\[16833\]: Invalid user sysadmin from 123.30.240.39
Jul  6 16:10:21 localhost sshd\[16833\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.30.240.39
...
2019-07-07 00:11:42
67.205.148.16 attackbotsspam
ZTE Router Exploit Scanner
2019-07-06 23:55:41
119.29.87.153 attack
Jul  6 15:31:50 MK-Soft-Root1 sshd\[14286\]: Invalid user ftpuser from 119.29.87.153 port 36124
Jul  6 15:31:50 MK-Soft-Root1 sshd\[14286\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.87.153
Jul  6 15:31:52 MK-Soft-Root1 sshd\[14286\]: Failed password for invalid user ftpuser from 119.29.87.153 port 36124 ssh2
...
2019-07-06 23:41:17
106.51.72.240 attack
Jul  6 15:30:51 www sshd\[27748\]: Invalid user release from 106.51.72.240 port 33642
...
2019-07-07 00:32:03
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Unauthorized connection attempt from IP address 152.250.167.225 on Port 445(SMB)
2019-07-06 23:32:06
89.25.80.202 attack
445/tcp 445/tcp 445/tcp
[2019-06-14/07-06]3pkt
2019-07-07 00:00:57
200.54.231.210 attack
Unauthorized connection attempt from IP address 200.54.231.210 on Port 445(SMB)
2019-07-07 00:16:10
188.191.21.222 attack
Unauthorized connection attempt from IP address 188.191.21.222 on Port 445(SMB)
2019-07-06 23:35:20
190.254.1.234 attackspam
Unauthorized connection attempt from IP address 190.254.1.234 on Port 445(SMB)
2019-07-06 23:36:06
197.242.155.108 attackbotsspam
Unauthorized connection attempt from IP address 197.242.155.108 on Port 445(SMB)
2019-07-07 00:34:57
221.207.54.181 attackspambots
ADMIN
2019-07-06 23:33:59

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