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 <<>> 104.21.21.83
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9470
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.83.			IN	A

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

;; Query time: 108 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:33:15 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 83.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 83.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.234.218.246 attack
This notice is the result of a request made by a computer with the IP address of “185.234.218.246” through the “dovecot” service on the server. 
The remote computer’s location appears to be: Poland (PL). 
The remote computer’s IP address is assigned to the provider: “WHF-NETWORK World Hosting Farm LTD” 
The remote computer’s network link type appears to be: “Ethernet or modem”. 
The remote computer’s operating system appears to be: “Windows” with version “7 or 8”. 
The system generated this notice on Monday, April 13, 2020 at 5:55:59 PM UTC.
2020-04-14 07:44:28
179.157.88.116 attackspambots
Apr 13 14:01:01 www sshd[28955]: reveeclipse mapping checking getaddrinfo for b39d5874.virtua.com.br [179.157.88.116] failed - POSSIBLE BREAK-IN ATTEMPT!
Apr 13 14:01:01 www sshd[28955]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.157.88.116  user=r.r
Apr 13 14:01:03 www sshd[28955]: Failed password for r.r from 179.157.88.116 port 35116 ssh2
Apr 13 14:10:23 www sshd[30655]: reveeclipse mapping checking getaddrinfo for b39d5874.virtua.com.br [179.157.88.116] failed - POSSIBLE BREAK-IN ATTEMPT!
Apr 13 14:10:23 www sshd[30655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.157.88.116  user=r.r
Apr 13 14:10:25 www sshd[30655]: Failed password for r.r from 179.157.88.116 port 41708 ssh2
Apr 13 14:12:19 www sshd[30928]: reveeclipse mapping checking getaddrinfo for b39d5874.virtua.com.br [179.157.88.116] failed - POSSIBLE BREAK-IN ATTEMPT!
Apr 13 14:12:19 www sshd[30928]: Invalid use........
-------------------------------
2020-04-14 07:25:44
165.227.77.120 attackbots
2020-04-13T23:05:26.412128abusebot-3.cloudsearch.cf sshd[20443]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.77.120  user=root
2020-04-13T23:05:28.639319abusebot-3.cloudsearch.cf sshd[20443]: Failed password for root from 165.227.77.120 port 60305 ssh2
2020-04-13T23:10:23.884329abusebot-3.cloudsearch.cf sshd[20702]: Invalid user user from 165.227.77.120 port 45891
2020-04-13T23:10:23.889628abusebot-3.cloudsearch.cf sshd[20702]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.77.120
2020-04-13T23:10:23.884329abusebot-3.cloudsearch.cf sshd[20702]: Invalid user user from 165.227.77.120 port 45891
2020-04-13T23:10:25.554857abusebot-3.cloudsearch.cf sshd[20702]: Failed password for invalid user user from 165.227.77.120 port 45891 ssh2
2020-04-13T23:13:38.985266abusebot-3.cloudsearch.cf sshd[20869]: Invalid user ndaniels from 165.227.77.120 port 49504
...
2020-04-14 07:21:08
61.68.156.133 attack
2020-04-13T19:48:47.192222dmca.cloudsearch.cf sshd[31974]: Invalid user tcp from 61.68.156.133 port 56172
2020-04-13T19:48:47.200091dmca.cloudsearch.cf sshd[31974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.68.156.133
2020-04-13T19:48:47.192222dmca.cloudsearch.cf sshd[31974]: Invalid user tcp from 61.68.156.133 port 56172
2020-04-13T19:48:49.965429dmca.cloudsearch.cf sshd[31974]: Failed password for invalid user tcp from 61.68.156.133 port 56172 ssh2
2020-04-13T19:53:35.723340dmca.cloudsearch.cf sshd[32262]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.68.156.133  user=root
2020-04-13T19:53:37.690924dmca.cloudsearch.cf sshd[32262]: Failed password for root from 61.68.156.133 port 36572 ssh2
2020-04-13T19:58:33.079561dmca.cloudsearch.cf sshd[32661]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.68.156.133  user=root
2020-04-13T19:58:34.956796dmca.cl
...
2020-04-14 07:23:41
34.67.145.173 attack
2020-04-13T19:13:20.631747librenms sshd[12746]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.145.67.34.bc.googleusercontent.com
2020-04-13T19:13:20.629102librenms sshd[12746]: Invalid user john from 34.67.145.173 port 32838
2020-04-13T19:13:22.641518librenms sshd[12746]: Failed password for invalid user john from 34.67.145.173 port 32838 ssh2
...
2020-04-14 07:22:54
91.134.235.254 attackbotsspam
Port Scan: Events[1] countPorts[1]: 18237 ..
2020-04-14 07:19:24
80.227.12.38 attackspambots
2020-04-13T19:41:08.383756abusebot-3.cloudsearch.cf sshd[7795]: Invalid user flansburg from 80.227.12.38 port 55226
2020-04-13T19:41:08.390309abusebot-3.cloudsearch.cf sshd[7795]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.227.12.38
2020-04-13T19:41:08.383756abusebot-3.cloudsearch.cf sshd[7795]: Invalid user flansburg from 80.227.12.38 port 55226
2020-04-13T19:41:10.473633abusebot-3.cloudsearch.cf sshd[7795]: Failed password for invalid user flansburg from 80.227.12.38 port 55226 ssh2
2020-04-13T19:45:27.765204abusebot-3.cloudsearch.cf sshd[8027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.227.12.38  user=root
2020-04-13T19:45:29.406674abusebot-3.cloudsearch.cf sshd[8027]: Failed password for root from 80.227.12.38 port 33218 ssh2
2020-04-13T19:48:47.120641abusebot-3.cloudsearch.cf sshd[8397]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.227.12.3
...
2020-04-14 07:53:32
122.51.189.69 attackspam
2020-04-13T17:36:12.448117shield sshd\[25281\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.189.69  user=root
2020-04-13T17:36:14.461789shield sshd\[25281\]: Failed password for root from 122.51.189.69 port 51986 ssh2
2020-04-13T17:37:45.635048shield sshd\[25588\]: Invalid user toor from 122.51.189.69 port 39186
2020-04-13T17:37:45.639733shield sshd\[25588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.189.69
2020-04-13T17:37:47.422321shield sshd\[25588\]: Failed password for invalid user toor from 122.51.189.69 port 39186 ssh2
2020-04-14 07:37:54
152.168.245.31 attack
Apr 14 00:45:36 webhost01 sshd[19749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.168.245.31
Apr 14 00:45:39 webhost01 sshd[19749]: Failed password for invalid user hl2rp from 152.168.245.31 port 44807 ssh2
...
2020-04-14 07:53:17
128.199.199.217 attackbotsspam
Invalid user crick from 128.199.199.217 port 53147
2020-04-14 07:19:08
176.109.175.193 attack
" "
2020-04-14 07:42:39
2.37.231.114 attack
Automatic report - Port Scan Attack
2020-04-14 07:19:44
128.199.91.233 attack
$f2bV_matches
2020-04-14 07:35:40
36.155.114.126 attackbots
Apr 14 00:10:08 vps sshd[30515]: Failed password for root from 36.155.114.126 port 36108 ssh2
Apr 14 00:16:53 vps sshd[30952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.114.126 
Apr 14 00:16:54 vps sshd[30952]: Failed password for invalid user dspace from 36.155.114.126 port 46612 ssh2
...
2020-04-14 07:42:11
211.54.137.182 attackbots
Apr 13 19:13:29 debian-2gb-nbg1-2 kernel: \[9057002.491099\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=211.54.137.182 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=237 ID=33587 DF PROTO=TCP SPT=56337 DPT=23 WINDOW=14600 RES=0x00 SYN URGP=0
2020-04-14 07:18:39

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