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 <<>> 104.21.30.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45695
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.30.16.			IN	A

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

;; Query time: 106 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 20:25:47 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 16.30.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.30.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.55 attackbots
SSH Brute Force, server-1 sshd[9114]: Failed password for root from 49.88.112.55 port 40866 ssh2
2020-01-15 16:57:58
104.215.18.43 attackspambots
Unauthorized connection attempt detected from IP address 104.215.18.43 to port 2220 [J]
2020-01-15 17:15:52
66.212.25.186 attackbotsspam
15.01.2020 05:51:12 - Login Fail on hMailserver 
Detected by ELinOX-hMail-A2F
2020-01-15 16:57:12
198.100.146.94 attackbotsspam
fail2ban honeypot
2020-01-15 16:50:34
165.227.203.208 attack
165.227.203.208 - - [15/Jan/2020:05:49:47 +0100] "GET /wp-login.php HTTP/1.1" 200 1901 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.227.203.208 - - [15/Jan/2020:05:49:52 +0100] "POST /wp-login.php HTTP/1.1" 200 2297 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.227.203.208 - - [15/Jan/2020:05:49:57 +0100] "GET /wp-login.php HTTP/1.1" 200 1901 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.227.203.208 - - [15/Jan/2020:05:50:03 +0100] "POST /wp-login.php HTTP/1.1" 200 2272 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.227.203.208 - - [15/Jan/2020:05:50:08 +0100] "GET /wp-login.php HTTP/1.1" 200 1901 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.227.203.208 - - [15/Jan/2020:05:50:14 +0100] "POST /wp-login.php HTTP/1.1" 200 2272 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
.
2020-01-15 17:17:22
1.214.215.236 attackspam
Unauthorized connection attempt detected from IP address 1.214.215.236 to port 2220 [J]
2020-01-15 16:50:05
49.49.20.101 attackbots
Automatic report - Port Scan Attack
2020-01-15 17:22:19
49.88.112.61 attackspambots
Jan 15 08:47:39 localhost sshd\[113678\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.61  user=root
Jan 15 08:47:41 localhost sshd\[113678\]: Failed password for root from 49.88.112.61 port 41734 ssh2
Jan 15 08:47:44 localhost sshd\[113678\]: Failed password for root from 49.88.112.61 port 41734 ssh2
Jan 15 08:47:48 localhost sshd\[113678\]: Failed password for root from 49.88.112.61 port 41734 ssh2
Jan 15 08:47:52 localhost sshd\[113678\]: Failed password for root from 49.88.112.61 port 41734 ssh2
...
2020-01-15 16:57:33
222.186.175.147 attackbotsspam
Jan 15 09:45:44 eventyay sshd[19980]: Failed password for root from 222.186.175.147 port 44124 ssh2
Jan 15 09:45:48 eventyay sshd[19980]: Failed password for root from 222.186.175.147 port 44124 ssh2
Jan 15 09:46:02 eventyay sshd[19984]: Failed password for root from 222.186.175.147 port 40470 ssh2
...
2020-01-15 16:46:37
123.148.247.46 attackbotsspam
Automatic report - XMLRPC Attack
2020-01-15 17:12:35
188.254.0.226 attack
Unauthorized connection attempt detected from IP address 188.254.0.226 to port 2220 [J]
2020-01-15 17:22:40
80.66.81.143 attack
Jan 15 09:38:26 relay postfix/smtpd\[29507\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 09:39:02 relay postfix/smtpd\[30766\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 09:39:19 relay postfix/smtpd\[30766\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 09:39:20 relay postfix/smtpd\[32339\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan 15 09:39:39 relay postfix/smtpd\[30694\]: warning: unknown\[80.66.81.143\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-01-15 16:49:40
171.244.10.50 attackbotsspam
Unauthorized connection attempt detected from IP address 171.244.10.50 to port 2220 [J]
2020-01-15 17:03:16
222.186.42.155 attackbots
SSH Brute Force, server-1 sshd[8716]: Failed password for root from 222.186.42.155 port 16910 ssh2
2020-01-15 16:47:55
116.232.16.70 attackspam
Jan 15 04:38:19 localhost sshd\[15233\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.232.16.70  user=root
Jan 15 04:38:21 localhost sshd\[15233\]: Failed password for root from 116.232.16.70 port 60390 ssh2
Jan 15 04:51:20 localhost sshd\[15418\]: Invalid user user from 116.232.16.70 port 58934
...
2020-01-15 16:49:06

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