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 <<>> 104.21.83.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44031
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.83.51.			IN	A

;; AUTHORITY SECTION:
.			60	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:05:17 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 51.83.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.83.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
190.199.208.47 attack
Unauthorized connection attempt from IP address 190.199.208.47 on Port 445(SMB)
2020-03-12 22:07:55
89.36.160.112 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-03-12 22:00:28
144.217.13.40 attackbotsspam
Mar 12 13:42:38 localhost sshd[28304]: Invalid user ts from 144.217.13.40 port 39956
Mar 12 13:42:38 localhost sshd[28304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=40.ip-144-217-13.net
Mar 12 13:42:38 localhost sshd[28304]: Invalid user ts from 144.217.13.40 port 39956
Mar 12 13:42:39 localhost sshd[28304]: Failed password for invalid user ts from 144.217.13.40 port 39956 ssh2
Mar 12 13:50:26 localhost sshd[29280]: Invalid user redis from 144.217.13.40 port 49533
...
2020-03-12 21:55:09
136.232.28.114 attackbotsspam
Unauthorized connection attempt from IP address 136.232.28.114 on Port 445(SMB)
2020-03-12 22:10:54
218.92.0.175 attackbots
Mar 12 19:05:54 gw1 sshd[12897]: Failed password for root from 218.92.0.175 port 25966 ssh2
Mar 12 19:06:08 gw1 sshd[12897]: error: maximum authentication attempts exceeded for root from 218.92.0.175 port 25966 ssh2 [preauth]
...
2020-03-12 22:11:56
14.247.236.194 attackspam
2020-03-12T12:09:35.103Z CLOSE host=14.247.236.194 port=62259 fd=4 time=20.010 bytes=7
...
2020-03-12 22:11:31
186.213.62.140 attackbots
1584016293 - 03/12/2020 13:31:33 Host: 186.213.62.140/186.213.62.140 Port: 445 TCP Blocked
2020-03-12 21:39:47
45.84.196.21 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-03-12 21:43:24
202.81.242.173 attackspam
Mar 12 14:41:02 [host] sshd[25852]: Invalid user d
Mar 12 14:41:02 [host] sshd[25852]: pam_unix(sshd:
Mar 12 14:41:04 [host] sshd[25852]: Failed passwor
2020-03-12 22:01:27
139.5.228.52 attackspam
Unauthorized connection attempt from IP address 139.5.228.52 on Port 445(SMB)
2020-03-12 21:44:13
42.118.53.3 attackbots
Unauthorized connection attempt from IP address 42.118.53.3 on Port 445(SMB)
2020-03-12 21:56:11
14.225.11.25 attack
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106.12.155.33 attack
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2020-03-12 21:51:37
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2020-03-12 21:41:18
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Fail2Ban Ban Triggered (2)
2020-03-12 21:55:41

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