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 <<>> 104.21.21.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21661
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.136.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:53:23 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 136.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
117.254.153.244 attack
1593519745 - 06/30/2020 14:22:25 Host: 117.254.153.244/117.254.153.244 Port: 445 TCP Blocked
2020-06-30 23:39:39
156.96.118.58 attack
Lines containing failures of 156.96.118.58
2020-06-30 14:08:39 H=(WIN-T8I793UKT3B) [156.96.118.58] F=: relay not permhostnameted


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=156.96.118.58
2020-07-01 00:01:38
202.146.222.96 attack
Jun 30 16:01:37 mout sshd[15690]: Invalid user mobile from 202.146.222.96 port 35180
2020-06-30 23:59:53
42.62.114.98 attack
Jun 30 19:35:58 gw1 sshd[9395]: Failed password for root from 42.62.114.98 port 34096 ssh2
...
2020-07-01 00:04:50
190.0.61.30 attackbotsspam
Tried our host z.
2020-06-30 23:47:14
51.77.148.7 attackspambots
2020-06-30T11:27:43.552602sorsha.thespaminator.com sshd[17278]: Invalid user rk from 51.77.148.7 port 54336
2020-06-30T11:27:45.138331sorsha.thespaminator.com sshd[17278]: Failed password for invalid user rk from 51.77.148.7 port 54336 ssh2
...
2020-07-01 00:21:47
212.64.14.185 attackbotsspam
Triggered by Fail2Ban at Ares web server
2020-07-01 00:23:18
175.194.155.46 attackspambots
Jun 30 14:21:54 debian-2gb-nbg1-2 kernel: \[15778352.320915\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=175.194.155.46 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=47 ID=48662 PROTO=TCP SPT=27440 DPT=23 WINDOW=25144 RES=0x00 SYN URGP=0
2020-07-01 00:07:58
158.181.180.188 attackbots
Jun 30 05:09:29 spidey sshd[30014]: Invalid user system from 158.181.180.188 port 56213
Jun 30 05:09:29 spidey sshd[30016]: Invalid user system from 158.181.180.188 port 56221
Jun 30 05:09:29 spidey sshd[30018]: Invalid user system from 158.181.180.188 port 56244


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=158.181.180.188
2020-07-01 00:19:50
122.51.169.118 attackbots
Jun 30 14:21:45 santamaria sshd\[11956\]: Invalid user sammy from 122.51.169.118
Jun 30 14:21:45 santamaria sshd\[11956\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.169.118
Jun 30 14:21:48 santamaria sshd\[11956\]: Failed password for invalid user sammy from 122.51.169.118 port 41738 ssh2
...
2020-07-01 00:12:19
5.196.67.41 attackbotsspam
Jun 30 20:26:35 itv-usvr-01 sshd[29541]: Invalid user www from 5.196.67.41
Jun 30 20:26:35 itv-usvr-01 sshd[29541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.67.41
Jun 30 20:26:35 itv-usvr-01 sshd[29541]: Invalid user www from 5.196.67.41
Jun 30 20:26:36 itv-usvr-01 sshd[29541]: Failed password for invalid user www from 5.196.67.41 port 36830 ssh2
Jun 30 20:32:37 itv-usvr-01 sshd[29785]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.67.41  user=root
Jun 30 20:32:39 itv-usvr-01 sshd[29785]: Failed password for root from 5.196.67.41 port 36024 ssh2
2020-07-01 00:10:04
111.119.188.25 attack
Jun 30 14:08:45 srv1 sshd[2889]: Did not receive identification string from 111.119.188.25
Jun 30 14:09:09 srv1 sshd[2890]: Invalid user avanthi from 111.119.188.25
Jun 30 14:09:09 srv1 sshd[2890]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.119.188.25 
Jun 30 14:09:11 srv1 sshd[2890]: Failed password for invalid user avanthi from 111.119.188.25 port 38263 ssh2
Jun 30 14:09:12 srv1 sshd[2891]: Connection closed by 111.119.188.25


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=111.119.188.25
2020-07-01 00:08:59
172.96.160.48 attackspambots
 UDP 172.96.160.48:5118 -> port 5060, len 443
2020-07-01 00:14:02
52.237.220.70 attackspam
failed root login
2020-06-30 23:43:28
120.85.103.187 attackbots
20 attempts against mh-ssh on flow
2020-07-01 00:26:36

Recently Reported IPs

104.21.21.133 104.21.21.138 104.21.21.144 104.21.21.148
157.232.66.92 104.21.21.152 104.21.21.155 104.21.21.160
0.118.91.161 104.21.21.164 104.21.21.167 104.21.21.169
104.21.21.17 104.21.21.170 104.21.21.172 104.21.21.175
104.21.21.176 104.21.21.180 104.21.21.181 104.21.21.184