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 <<>> 104.21.51.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42793
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.45.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:42:56 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 45.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 45.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.21.112.211 attackbotsspam
IMAP brute force
...
2019-11-26 09:25:26
106.75.244.62 attack
Nov 26 05:55:08 MK-Soft-Root2 sshd[9675]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.244.62 
Nov 26 05:55:10 MK-Soft-Root2 sshd[9675]: Failed password for invalid user prouty from 106.75.244.62 port 58842 ssh2
...
2019-11-26 13:24:32
51.15.48.39 attackspambots
port scan and connect, tcp 3128 (squid-http)
2019-11-26 09:20:59
222.186.180.223 attack
Nov 26 06:21:08 vmanager6029 sshd\[11356\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Nov 26 06:21:10 vmanager6029 sshd\[11356\]: Failed password for root from 222.186.180.223 port 3872 ssh2
Nov 26 06:21:12 vmanager6029 sshd\[11356\]: Failed password for root from 222.186.180.223 port 3872 ssh2
2019-11-26 13:24:04
106.13.98.148 attackspambots
Nov 26 05:23:07 ns382633 sshd\[30193\]: Invalid user vancon from 106.13.98.148 port 34918
Nov 26 05:23:07 ns382633 sshd\[30193\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.98.148
Nov 26 05:23:09 ns382633 sshd\[30193\]: Failed password for invalid user vancon from 106.13.98.148 port 34918 ssh2
Nov 26 05:55:11 ns382633 sshd\[3488\]: Invalid user ai from 106.13.98.148 port 49840
Nov 26 05:55:11 ns382633 sshd\[3488\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.98.148
2019-11-26 13:23:40
171.237.83.158 attackspambots
Email spam message
2019-11-26 09:23:06
187.113.44.143 attackspambots
Automatic report - SSH Brute-Force Attack
2019-11-26 13:22:51
171.235.59.4 attackbots
37 failed attempt(s) in the last 24h
2019-11-26 09:16:25
188.165.200.46 attackbotsspam
Nov 26 01:03:42 vtv3 sshd[4755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.200.46 
Nov 26 01:03:44 vtv3 sshd[4755]: Failed password for invalid user kriko from 188.165.200.46 port 53134 ssh2
Nov 26 01:06:46 vtv3 sshd[6230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.200.46 
Nov 26 01:19:47 vtv3 sshd[11736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.200.46 
Nov 26 01:19:48 vtv3 sshd[11736]: Failed password for invalid user mysql from 188.165.200.46 port 53614 ssh2
Nov 26 01:22:59 vtv3 sshd[13309]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.200.46 
Nov 26 01:37:32 vtv3 sshd[20353]: Failed password for root from 188.165.200.46 port 33036 ssh2
Nov 26 01:40:51 vtv3 sshd[22025]: Failed password for root from 188.165.200.46 port 40216 ssh2
Nov 26 01:57:08 vtv3 sshd[29381]: pam_unix(sshd:auth): authenticati
2019-11-26 09:21:59
62.197.103.12 attackbots
Nov 26 05:09:58 *** sshd[8453]: Invalid user test from 62.197.103.12
2019-11-26 13:10:24
113.210.121.150 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 26-11-2019 04:55:23.
2019-11-26 13:11:26
112.85.42.175 attackspam
Nov 26 06:06:51 ns381471 sshd[31311]: Failed password for root from 112.85.42.175 port 38427 ssh2
Nov 26 06:07:05 ns381471 sshd[31311]: Failed password for root from 112.85.42.175 port 38427 ssh2
Nov 26 06:07:05 ns381471 sshd[31311]: error: maximum authentication attempts exceeded for root from 112.85.42.175 port 38427 ssh2 [preauth]
2019-11-26 13:07:56
112.85.42.180 attackbots
Nov 26 06:14:59 icinga sshd[21973]: Failed password for root from 112.85.42.180 port 23245 ssh2
Nov 26 06:15:02 icinga sshd[21973]: Failed password for root from 112.85.42.180 port 23245 ssh2
...
2019-11-26 13:19:56
14.233.228.136 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 26-11-2019 04:55:27.
2019-11-26 13:03:36
221.195.15.143 attackspam
Fail2Ban - FTP Abuse Attempt
2019-11-26 13:24:17

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