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 <<>> 104.21.12.216
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4682
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.216.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 07:53:10 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 216.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 216.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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171.231.99.149 attackbotsspam
1585799949 - 04/02/2020 05:59:09 Host: 171.231.99.149/171.231.99.149 Port: 445 TCP Blocked
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Apr  2 06:10:37 srv-ubuntu-dev3 sshd[102749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.91.105  user=root
Apr  2 06:10:39 srv-ubuntu-dev3 sshd[102749]: Failed password for root from 159.65.91.105 port 41062 ssh2
Apr  2 06:14:27 srv-ubuntu-dev3 sshd[103417]: Invalid user test from 159.65.91.105
Apr  2 06:14:27 srv-ubuntu-dev3 sshd[103417]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.91.105
Apr  2 06:14:27 srv-ubuntu-dev3 sshd[103417]: Invalid user test from 159.65.91.105
Apr  2 06:14:29 srv-ubuntu-dev3 sshd[103417]: Failed password for invalid user test from 159.65.91.105 port 52016 ssh2
Apr  2 06:18:19 srv-ubuntu-dev3 sshd[104174]: Invalid user zxchen from 159.65.91.105
Apr  2 06:18:19 srv-ubuntu-dev3 sshd[104174]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.91.105
Apr  2 06:18:19 srv-ubuntu-dev3 sshd[104174]: Invalid user zxchen fro
...
2020-04-02 12:20:16
209.146.29.86 attackspam
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2020-04-02 13:00:39
45.141.84.17 attackspambots
Apr  2 06:17:46 debian-2gb-nbg1-2 kernel: \[8060112.132447\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.141.84.17 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=47793 PROTO=TCP SPT=51116 DPT=9571 WINDOW=1024 RES=0x00 SYN URGP=0
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191.253.20.38 attackspam
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23.30.106.169 attackbotsspam
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2020-04-02 12:58:05
125.161.129.133 attackbotsspam
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2020-04-02 12:51:01
222.186.30.76 attackspam
Apr  2 06:17:05 server sshd[4551]: Failed password for root from 222.186.30.76 port 57918 ssh2
Apr  2 06:17:08 server sshd[4551]: Failed password for root from 222.186.30.76 port 57918 ssh2
Apr  2 06:17:10 server sshd[4551]: Failed password for root from 222.186.30.76 port 57918 ssh2
2020-04-02 12:19:06
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Repeated RDP login failures. Last user: Admin
2020-04-02 12:36:17

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