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 <<>> 104.21.81.178
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48121
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.178.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:26 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 178.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 178.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
41.77.145.34 attack
Nov 27 08:55:34 meumeu sshd[5126]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.77.145.34 
Nov 27 08:55:36 meumeu sshd[5126]: Failed password for invalid user killall from 41.77.145.34 port 3560 ssh2
Nov 27 09:00:02 meumeu sshd[5652]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.77.145.34 
...
2019-11-27 16:24:46
51.89.57.123 attackbots
Nov 27 07:23:22 venus sshd\[8249\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.57.123  user=root
Nov 27 07:23:24 venus sshd\[8249\]: Failed password for root from 51.89.57.123 port 58586 ssh2
Nov 27 07:29:59 venus sshd\[8329\]: Invalid user saungikar from 51.89.57.123 port 37348
Nov 27 07:29:59 venus sshd\[8329\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.89.57.123
...
2019-11-27 15:57:58
118.163.149.163 attack
Nov 26 21:48:42 sachi sshd\[11125\]: Invalid user sapling from 118.163.149.163
Nov 26 21:48:42 sachi sshd\[11125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118-163-149-163.hinet-ip.hinet.net
Nov 26 21:48:44 sachi sshd\[11125\]: Failed password for invalid user sapling from 118.163.149.163 port 45938 ssh2
Nov 26 21:56:02 sachi sshd\[11727\]: Invalid user ferhat from 118.163.149.163
Nov 26 21:56:02 sachi sshd\[11727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118-163-149-163.hinet-ip.hinet.net
2019-11-27 16:10:27
222.186.169.194 attackbotsspam
Too many connections or unauthorized access detected from Arctic banned ip
2019-11-27 16:35:06
206.189.127.133 attack
This client attempted to login to an administrator account on a Website, or abused from another resource.
2019-11-27 16:02:31
222.186.169.192 attackspambots
Nov 27 08:50:32 v22018076622670303 sshd\[14481\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.192  user=root
Nov 27 08:50:34 v22018076622670303 sshd\[14481\]: Failed password for root from 222.186.169.192 port 34640 ssh2
Nov 27 08:50:37 v22018076622670303 sshd\[14481\]: Failed password for root from 222.186.169.192 port 34640 ssh2
...
2019-11-27 15:55:51
105.226.221.2 attackspam
Attempted to connect 3 times to port 23 TCP
2019-11-27 16:12:29
130.162.64.72 attack
$f2bV_matches
2019-11-27 16:08:14
113.192.123.17 attackbots
SpamReport
2019-11-27 16:11:15
149.202.56.194 attack
Nov 26 21:53:59 tdfoods sshd\[2399\]: Invalid user bac from 149.202.56.194
Nov 26 21:53:59 tdfoods sshd\[2399\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.ip-149-202-56.eu
Nov 26 21:54:01 tdfoods sshd\[2399\]: Failed password for invalid user bac from 149.202.56.194 port 44902 ssh2
Nov 26 22:00:05 tdfoods sshd\[2861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.ip-149-202-56.eu  user=mysql
Nov 26 22:00:07 tdfoods sshd\[2861\]: Failed password for mysql from 149.202.56.194 port 52126 ssh2
2019-11-27 16:07:03
198.108.67.85 attackbotsspam
firewall-block, port(s): 8808/tcp
2019-11-27 16:29:12
218.92.0.139 attack
Nov 27 02:59:14 TORMINT sshd\[31582\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.139  user=root
Nov 27 02:59:17 TORMINT sshd\[31582\]: Failed password for root from 218.92.0.139 port 40828 ssh2
Nov 27 02:59:20 TORMINT sshd\[31582\]: Failed password for root from 218.92.0.139 port 40828 ssh2
...
2019-11-27 16:01:34
200.195.172.114 attackspam
2019-11-27T07:40:51.142491abusebot-4.cloudsearch.cf sshd\[24597\]: Invalid user yama from 200.195.172.114 port 47156
2019-11-27 16:02:43
159.138.156.248 attackbotsspam
badbot
2019-11-27 15:56:33
152.136.62.232 attack
Nov 27 08:51:55 lnxweb61 sshd[17250]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.62.232
2019-11-27 16:06:35

Recently Reported IPs

104.21.81.186 104.21.81.185 104.21.81.187 104.21.81.188
104.21.81.191 104.21.81.193 104.21.81.194 104.21.81.195
104.21.81.197 104.21.81.189 104.21.81.199 104.21.81.20
104.21.81.202 104.21.81.203 104.21.81.206 104.21.81.204
104.21.81.209 104.21.81.211 104.21.81.205 104.21.81.207