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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.20.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10323
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.136.			IN	A

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

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:46:30 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 136.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
96.69.25.158 attack
Apr 18 06:44:08 odroid64 sshd\[28459\]: Invalid user admin from 96.69.25.158
Apr 18 06:44:08 odroid64 sshd\[28459\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=96.69.25.158
...
2020-04-18 13:46:44
27.65.102.246 attackspambots
Port probing on unauthorized port 9530
2020-04-18 14:09:34
175.197.74.237 attack
$f2bV_matches
2020-04-18 13:48:30
162.243.130.86 attackbotsspam
Port Scan: Events[1] countPorts[1]: 18245 ..
2020-04-18 14:01:18
113.125.58.0 attackspambots
Apr 18 00:57:35 ws12vmsma01 sshd[55771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.125.58.0 
Apr 18 00:57:35 ws12vmsma01 sshd[55771]: Invalid user test from 113.125.58.0
Apr 18 00:57:37 ws12vmsma01 sshd[55771]: Failed password for invalid user test from 113.125.58.0 port 48608 ssh2
...
2020-04-18 13:48:54
201.211.191.47 attackspambots
Invalid user ts3server from 201.211.191.47 port 34137
2020-04-18 13:59:04
159.65.138.22 attackspam
2020-04-17T20:56:47.540544-07:00 suse-nuc sshd[29198]: Invalid user pulse from 159.65.138.22 port 58202
...
2020-04-18 13:29:31
198.199.115.94 attack
2020-04-18T00:40:46.8755841495-001 sshd[15360]: Failed password for invalid user postgres from 198.199.115.94 port 40488 ssh2
2020-04-18T00:46:05.1395831495-001 sshd[15587]: Invalid user ha from 198.199.115.94 port 49636
2020-04-18T00:46:05.1469891495-001 sshd[15587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.199.115.94
2020-04-18T00:46:05.1395831495-001 sshd[15587]: Invalid user ha from 198.199.115.94 port 49636
2020-04-18T00:46:07.1539761495-001 sshd[15587]: Failed password for invalid user ha from 198.199.115.94 port 49636 ssh2
2020-04-18T00:51:22.6616361495-001 sshd[15826]: Invalid user db from 198.199.115.94 port 58784
...
2020-04-18 13:59:33
52.172.190.205 attackspam
Lines containing failures of 52.172.190.205
Apr 17 23:55:09 penfold sshd[23917]: Invalid user ubuntu from 52.172.190.205 port 35640
Apr 17 23:55:09 penfold sshd[23917]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.172.190.205 
Apr 17 23:55:10 penfold sshd[23917]: Failed password for invalid user ubuntu from 52.172.190.205 port 35640 ssh2
Apr 17 23:55:11 penfold sshd[23917]: Received disconnect from 52.172.190.205 port 35640:11: Bye Bye [preauth]
Apr 17 23:55:11 penfold sshd[23917]: Disconnected from invalid user ubuntu 52.172.190.205 port 35640 [preauth]
Apr 18 00:04:00 penfold sshd[24500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.172.190.205  user=r.r
Apr 18 00:04:02 penfold sshd[24500]: Failed password for r.r from 52.172.190.205 port 54668 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=52.172.190.205
2020-04-18 13:40:52
128.199.204.164 attackspam
Wordpress malicious attack:[sshd]
2020-04-18 13:55:54
219.250.188.41 attackspam
Apr 18 05:47:14 ns392434 sshd[17980]: Invalid user postgres from 219.250.188.41 port 54984
Apr 18 05:47:14 ns392434 sshd[17980]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.250.188.41
Apr 18 05:47:14 ns392434 sshd[17980]: Invalid user postgres from 219.250.188.41 port 54984
Apr 18 05:47:16 ns392434 sshd[17980]: Failed password for invalid user postgres from 219.250.188.41 port 54984 ssh2
Apr 18 05:53:44 ns392434 sshd[18186]: Invalid user qm from 219.250.188.41 port 45682
Apr 18 05:53:44 ns392434 sshd[18186]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.250.188.41
Apr 18 05:53:44 ns392434 sshd[18186]: Invalid user qm from 219.250.188.41 port 45682
Apr 18 05:53:45 ns392434 sshd[18186]: Failed password for invalid user qm from 219.250.188.41 port 45682 ssh2
Apr 18 05:56:46 ns392434 sshd[18307]: Invalid user admin from 219.250.188.41 port 50634
2020-04-18 13:28:46
203.135.20.36 attack
Apr 18 07:02:23 v22018086721571380 sshd[20937]: Failed password for invalid user xu from 203.135.20.36 port 36774 ssh2
2020-04-18 13:37:00
222.186.190.14 attack
Apr 18 07:19:50 minden010 sshd[12256]: Failed password for root from 222.186.190.14 port 45250 ssh2
Apr 18 07:19:53 minden010 sshd[12256]: Failed password for root from 222.186.190.14 port 45250 ssh2
Apr 18 07:19:55 minden010 sshd[12256]: Failed password for root from 222.186.190.14 port 45250 ssh2
...
2020-04-18 13:36:23
46.176.245.76 attackbotsspam
Automatic report - Port Scan Attack
2020-04-18 13:58:32
163.172.61.214 attackbots
Apr 18 00:49:06 ws22vmsma01 sshd[140040]: Failed password for root from 163.172.61.214 port 43350 ssh2
...
2020-04-18 13:29:11

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