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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.81.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51286
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.136.			IN	A

;; AUTHORITY SECTION:
.			258	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:52:15 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 136.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.93.20.154 attackbots
firewall-block, port(s): 47880/tcp
2019-12-17 04:38:07
186.67.141.213 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-17 04:30:48
200.38.167.135 attackbotsspam
Dec 16 21:00:09 grey postfix/smtpd\[24965\]: NOQUEUE: reject: RCPT from smptsvr.inr.gob.mx\[200.38.167.135\]: 554 5.7.1 Service unavailable\; Client host \[200.38.167.135\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[200.38.167.135\]\; from=\ to=\ proto=ESMTP helo=\
...
2019-12-17 04:21:31
2.32.251.44 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-17 04:44:21
24.169.102.2 attack
3389BruteforceFW22
2019-12-17 04:41:12
39.50.194.67 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-17 04:29:49
113.176.89.116 attackbots
Aug 21 19:24:30 vtv3 sshd[19652]: Failed password for invalid user alain from 113.176.89.116 port 45468 ssh2
Aug 21 19:29:18 vtv3 sshd[22013]: Invalid user antonio from 113.176.89.116 port 58990
Aug 21 19:29:18 vtv3 sshd[22013]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.176.89.116
Aug 21 19:43:30 vtv3 sshd[28967]: Invalid user debian from 113.176.89.116 port 42748
Aug 21 19:43:30 vtv3 sshd[28967]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.176.89.116
Aug 21 19:43:33 vtv3 sshd[28967]: Failed password for invalid user debian from 113.176.89.116 port 42748 ssh2
Aug 21 19:48:22 vtv3 sshd[31491]: Invalid user onie from 113.176.89.116 port 56160
Aug 21 19:48:22 vtv3 sshd[31491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.176.89.116
Dec 16 14:25:43 vtv3 sshd[21786]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.176.89.116 
De
2019-12-17 04:49:27
192.141.74.78 attack
Port 1433 Scan
2019-12-17 04:44:57
176.56.236.21 attackbots
Invalid user lavalsit from 176.56.236.21 port 58708
2019-12-17 04:16:59
178.128.221.162 attackspam
Dec 16 16:10:45 legacy sshd[2830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.221.162
Dec 16 16:10:47 legacy sshd[2830]: Failed password for invalid user bryars from 178.128.221.162 port 40144 ssh2
Dec 16 16:17:24 legacy sshd[3122]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.221.162
...
2019-12-17 04:21:15
14.248.64.178 attackspam
1576507271 - 12/16/2019 15:41:11 Host: 14.248.64.178/14.248.64.178 Port: 445 TCP Blocked
2019-12-17 04:25:56
222.186.180.9 attack
Dec 16 21:36:13 localhost sshd\[4697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.9  user=root
Dec 16 21:36:15 localhost sshd\[4697\]: Failed password for root from 222.186.180.9 port 22076 ssh2
Dec 16 21:36:18 localhost sshd\[4697\]: Failed password for root from 222.186.180.9 port 22076 ssh2
2019-12-17 04:41:47
207.246.119.52 attack
Automatic report - XMLRPC Attack
2019-12-17 04:47:02
58.87.67.226 attack
Dec 16 17:13:42 sd-53420 sshd\[10005\]: User root from 58.87.67.226 not allowed because none of user's groups are listed in AllowGroups
Dec 16 17:13:42 sd-53420 sshd\[10005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.87.67.226  user=root
Dec 16 17:13:45 sd-53420 sshd\[10005\]: Failed password for invalid user root from 58.87.67.226 port 49834 ssh2
Dec 16 17:22:01 sd-53420 sshd\[13081\]: User root from 58.87.67.226 not allowed because none of user's groups are listed in AllowGroups
Dec 16 17:22:01 sd-53420 sshd\[13081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.87.67.226  user=root
...
2019-12-17 04:44:38
187.141.71.27 attackbots
Dec 16 20:45:28 sso sshd[31049]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.141.71.27
Dec 16 20:45:30 sso sshd[31049]: Failed password for invalid user ron from 187.141.71.27 port 54844 ssh2
...
2019-12-17 04:47:55

Recently Reported IPs

104.21.81.135 104.21.81.140 104.21.81.144 104.21.81.145
104.21.81.182 104.21.81.183 13.33.60.96 13.33.60.84
13.33.68.106 13.33.68.71 13.33.68.115 13.33.68.30
13.33.60.92 104.21.81.196 13.33.60.90 172.179.6.24
13.33.68.38 13.33.60.83 13.33.68.16 13.33.60.97