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 <<>> 104.21.234.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15175
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.234.81.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 19:23:44 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 81.234.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.234.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
182.61.53.74 attack
2020-04-18T00:37:41.490834linuxbox-skyline sshd[222870]: Invalid user fi from 182.61.53.74 port 36774
...
2020-04-18 16:23:07
106.13.181.170 attack
$f2bV_matches
2020-04-18 16:15:43
183.111.204.148 attackspambots
Unauthorized connection attempt detected from IP address 183.111.204.148 to port 8759
2020-04-18 16:32:32
114.67.95.121 attack
Apr 18 08:55:10 lukav-desktop sshd\[21443\]: Invalid user iz from 114.67.95.121
Apr 18 08:55:10 lukav-desktop sshd\[21443\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.95.121
Apr 18 08:55:12 lukav-desktop sshd\[21443\]: Failed password for invalid user iz from 114.67.95.121 port 54110 ssh2
Apr 18 08:58:39 lukav-desktop sshd\[21602\]: Invalid user admin from 114.67.95.121
Apr 18 08:58:39 lukav-desktop sshd\[21602\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.95.121
2020-04-18 16:08:18
139.170.150.251 attackspam
Invalid user program from 139.170.150.251 port 19830
2020-04-18 16:27:53
110.137.44.19 attack
Unauthorized connection attempt detected from IP address 110.137.44.19 to port 445
2020-04-18 15:59:10
191.239.247.75 attackspambots
(sshd) Failed SSH login from 191.239.247.75 (BR/Brazil/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 18 05:53:52 ubnt-55d23 sshd[876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.239.247.75  user=root
Apr 18 05:53:54 ubnt-55d23 sshd[876]: Failed password for root from 191.239.247.75 port 48896 ssh2
2020-04-18 15:58:07
193.112.77.212 attack
Apr 18 07:09:18 santamaria sshd\[18717\]: Invalid user mx from 193.112.77.212
Apr 18 07:09:18 santamaria sshd\[18717\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.77.212
Apr 18 07:09:20 santamaria sshd\[18717\]: Failed password for invalid user mx from 193.112.77.212 port 41536 ssh2
...
2020-04-18 16:18:40
118.100.116.155 attackspambots
prod6
...
2020-04-18 16:30:58
123.16.244.88 attackspam
Unauthorized IMAP connection attempt
2020-04-18 15:47:49
222.186.30.218 attack
auto-add
2020-04-18 16:30:01
120.71.146.45 attackbots
ssh brute force
2020-04-18 15:51:41
13.67.211.29 attackbots
Apr 18 10:40:02 hosting sshd[21860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.67.211.29  user=root
Apr 18 10:40:05 hosting sshd[21860]: Failed password for root from 13.67.211.29 port 53994 ssh2
Apr 18 10:54:36 hosting sshd[23168]: Invalid user admin9 from 13.67.211.29 port 39840
...
2020-04-18 16:02:33
35.231.211.161 attackspam
Invalid user deploy from 35.231.211.161 port 60892
2020-04-18 16:28:12
49.234.77.54 attackspambots
Invalid user kp from 49.234.77.54 port 33276
2020-04-18 16:01:20

Recently Reported IPs

104.21.234.80 104.21.234.82 104.21.234.83 104.21.234.92
207.125.221.205 104.21.234.93 139.162.213.24 104.21.234.94
104.21.234.95 182.176.19.24 104.21.235.101 104.21.235.102
104.21.235.109 104.21.235.11 104.21.235.110 104.21.235.111
6.200.228.249 104.21.235.112 104.21.235.119 104.21.235.12