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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.81.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41558
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.45.			IN	A

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

;; Query time: 245 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:56 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 45.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 45.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.227.53.225 attackbotsspam
Invalid user amavis from 165.227.53.225 port 45288
2020-10-03 03:27:17
175.205.111.109 attackspambots
Oct  2 14:36:23 dns1 sshd[20645]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.205.111.109 
Oct  2 14:36:23 dns1 sshd[20644]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.205.111.109 
Oct  2 14:36:25 dns1 sshd[20645]: Failed password for invalid user pi from 175.205.111.109 port 41366 ssh2
Oct  2 14:36:25 dns1 sshd[20644]: Failed password for invalid user pi from 175.205.111.109 port 41354 ssh2
2020-10-03 03:31:08
213.32.111.52 attackbotsspam
Oct  2 20:33:36 host2 sshd[683977]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.111.52  user=root
Oct  2 20:33:38 host2 sshd[683977]: Failed password for root from 213.32.111.52 port 36152 ssh2
Oct  2 20:39:53 host2 sshd[684732]: Invalid user vbox from 213.32.111.52 port 43628
Oct  2 20:39:53 host2 sshd[684732]: Invalid user vbox from 213.32.111.52 port 43628
...
2020-10-03 03:22:26
212.70.149.52 attackspam
abuse-sasl
2020-10-03 03:49:50
111.229.155.209 attackspambots
2020-10-02 14:10:05.638976-0500  localhost sshd[67679]: Failed password for root from 111.229.155.209 port 10397 ssh2
2020-10-03 03:35:40
91.190.52.81 attack
Unauthorized connection attempt from IP address 91.190.52.81 on Port 445(SMB)
2020-10-03 03:50:43
179.52.187.206 attackbotsspam
Oct  1 16:31:51 cumulus sshd[30705]: Did not receive identification string from 179.52.187.206 port 63289
Oct  1 16:31:53 cumulus sshd[30706]: Did not receive identification string from 179.52.187.206 port 63477
Oct  1 16:31:53 cumulus sshd[30708]: Did not receive identification string from 179.52.187.206 port 63485
Oct  1 16:31:53 cumulus sshd[30707]: Did not receive identification string from 179.52.187.206 port 63480
Oct  1 16:31:53 cumulus sshd[30709]: Did not receive identification string from 179.52.187.206 port 63483
Oct  1 16:31:53 cumulus sshd[30710]: Invalid user nagesh from 179.52.187.206 port 63492
Oct  1 16:31:54 cumulus sshd[30712]: Did not receive identification string from 179.52.187.206 port 63484
Oct  1 16:31:54 cumulus sshd[30713]: Did not receive identification string from 179.52.187.206 port 63481
Oct  1 16:31:54 cumulus sshd[30710]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.52.187.206
Oct  1 16:31:5........
-------------------------------
2020-10-03 03:50:06
182.162.17.234 attackbots
SSH BruteForce Attack
2020-10-03 03:51:33
27.128.165.131 attack
Oct  2 15:10:49 cho sshd[4068449]: Invalid user composer from 27.128.165.131 port 48054
Oct  2 15:10:49 cho sshd[4068449]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.165.131 
Oct  2 15:10:49 cho sshd[4068449]: Invalid user composer from 27.128.165.131 port 48054
Oct  2 15:10:51 cho sshd[4068449]: Failed password for invalid user composer from 27.128.165.131 port 48054 ssh2
Oct  2 15:15:30 cho sshd[4068607]: Invalid user test from 27.128.165.131 port 53928
...
2020-10-03 03:14:27
200.160.116.25 attackbotsspam
1601641058 - 10/02/2020 14:17:38 Host: 200.160.116.25/200.160.116.25 Port: 445 TCP Blocked
2020-10-03 03:49:06
91.121.91.82 attackbots
Oct  2 21:07:36 ovpn sshd\[19002\]: Invalid user wilson from 91.121.91.82
Oct  2 21:07:36 ovpn sshd\[19002\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.91.82
Oct  2 21:07:37 ovpn sshd\[19002\]: Failed password for invalid user wilson from 91.121.91.82 port 50528 ssh2
Oct  2 21:13:08 ovpn sshd\[20430\]: Invalid user user02 from 91.121.91.82
Oct  2 21:13:08 ovpn sshd\[20430\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.91.82
2020-10-03 03:33:17
51.75.66.92 attackbots
Invalid user guest from 51.75.66.92 port 33062
2020-10-03 03:23:24
89.144.47.28 attackspam
Oct  2 20:42:36 ns382633 sshd\[24984\]: Invalid user admin from 89.144.47.28 port 19099
Oct  2 20:42:36 ns382633 sshd\[24984\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.144.47.28
Oct  2 20:42:38 ns382633 sshd\[24984\]: Failed password for invalid user admin from 89.144.47.28 port 19099 ssh2
Oct  2 20:42:39 ns382633 sshd\[24986\]: Invalid user admin from 89.144.47.28 port 21586
Oct  2 20:42:39 ns382633 sshd\[24986\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.144.47.28
2020-10-03 03:40:44
200.201.219.163 attack
Oct  2 16:51:45 ns382633 sshd\[27174\]: Invalid user minecraft from 200.201.219.163 port 54938
Oct  2 16:51:45 ns382633 sshd\[27174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.201.219.163
Oct  2 16:51:47 ns382633 sshd\[27174\]: Failed password for invalid user minecraft from 200.201.219.163 port 54938 ssh2
Oct  2 17:05:50 ns382633 sshd\[28865\]: Invalid user edgar from 200.201.219.163 port 43212
Oct  2 17:05:50 ns382633 sshd\[28865\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.201.219.163
2020-10-03 03:28:06
113.204.205.66 attackbots
$f2bV_matches
2020-10-03 03:47:59

Recently Reported IPs

104.21.81.46 104.21.81.48 104.21.81.49 104.21.81.5
104.21.81.52 104.21.81.50 104.21.81.53 104.21.81.55
104.21.81.54 104.21.81.56 104.21.81.58 104.21.81.6
104.21.81.64 104.21.81.61 104.21.81.59 104.21.81.66
104.21.81.65 104.21.81.67 104.21.81.7 104.21.81.72