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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.20.181
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34175
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.181.			IN	A

;; AUTHORITY SECTION:
.			444	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 27 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:32:50 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 181.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 181.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.150 attackspambots
Jun  1 14:52:32 abendstille sshd\[12239\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.150  user=root
Jun  1 14:52:32 abendstille sshd\[12245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.150  user=root
Jun  1 14:52:34 abendstille sshd\[12239\]: Failed password for root from 222.186.175.150 port 30588 ssh2
Jun  1 14:52:34 abendstille sshd\[12245\]: Failed password for root from 222.186.175.150 port 22938 ssh2
Jun  1 14:52:37 abendstille sshd\[12245\]: Failed password for root from 222.186.175.150 port 22938 ssh2
...
2020-06-01 21:01:18
139.155.93.180 attackbots
Jun  1 14:20:58 inter-technics sshd[12922]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.93.180  user=root
Jun  1 14:21:00 inter-technics sshd[12922]: Failed password for root from 139.155.93.180 port 51652 ssh2
Jun  1 14:23:57 inter-technics sshd[13118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.93.180  user=root
Jun  1 14:23:59 inter-technics sshd[13118]: Failed password for root from 139.155.93.180 port 45768 ssh2
Jun  1 14:26:58 inter-technics sshd[13396]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.93.180  user=root
Jun  1 14:27:00 inter-technics sshd[13396]: Failed password for root from 139.155.93.180 port 39940 ssh2
...
2020-06-01 21:04:37
107.182.189.89 attackbots
Jun  1 02:23:28 web9 sshd\[21371\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.182.189.89  user=root
Jun  1 02:23:30 web9 sshd\[21371\]: Failed password for root from 107.182.189.89 port 43050 ssh2
Jun  1 02:28:13 web9 sshd\[22055\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.182.189.89  user=root
Jun  1 02:28:15 web9 sshd\[22055\]: Failed password for root from 107.182.189.89 port 47162 ssh2
Jun  1 02:33:05 web9 sshd\[22791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.182.189.89  user=root
2020-06-01 20:49:53
222.87.54.4 attackspambots
Dovecot Invalid User Login Attempt.
2020-06-01 21:09:56
106.12.27.65 attack
May 31 17:40:10 serwer sshd\[10440\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.27.65  user=root
May 31 17:40:12 serwer sshd\[10440\]: Failed password for root from 106.12.27.65 port 58558 ssh2
May 31 17:46:45 serwer sshd\[10892\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.27.65  user=root
May 31 17:46:47 serwer sshd\[10892\]: Failed password for root from 106.12.27.65 port 39622 ssh2
May 31 17:49:56 serwer sshd\[11104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.27.65  user=root
May 31 17:49:58 serwer sshd\[11104\]: Failed password for root from 106.12.27.65 port 44274 ssh2
May 31 17:52:47 serwer sshd\[11412\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.27.65  user=root
May 31 17:52:49 serwer sshd\[11412\]: Failed password for root from 106.12.27.65 port 48920 ssh2

...
2020-06-01 20:46:22
79.137.34.248 attackspam
Jun  1 12:00:26 vlre-nyc-1 sshd\[11536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.137.34.248  user=root
Jun  1 12:00:28 vlre-nyc-1 sshd\[11536\]: Failed password for root from 79.137.34.248 port 42640 ssh2
Jun  1 12:05:53 vlre-nyc-1 sshd\[11764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.137.34.248  user=root
Jun  1 12:05:55 vlre-nyc-1 sshd\[11764\]: Failed password for root from 79.137.34.248 port 53939 ssh2
Jun  1 12:09:38 vlre-nyc-1 sshd\[11902\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.137.34.248  user=root
...
2020-06-01 20:39:24
18.188.102.240 attackbotsspam
mue-Direct access to plugin not allowed
2020-06-01 21:02:59
183.89.211.49 attackspam
Dovecot Invalid User Login Attempt.
2020-06-01 20:42:39
106.12.189.197 attack
Jun  1 13:32:59 h2646465 sshd[15784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.197  user=root
Jun  1 13:33:01 h2646465 sshd[15784]: Failed password for root from 106.12.189.197 port 43078 ssh2
Jun  1 13:46:54 h2646465 sshd[16679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.197  user=root
Jun  1 13:46:56 h2646465 sshd[16679]: Failed password for root from 106.12.189.197 port 38852 ssh2
Jun  1 14:04:08 h2646465 sshd[18201]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.197  user=root
Jun  1 14:04:11 h2646465 sshd[18201]: Failed password for root from 106.12.189.197 port 57864 ssh2
Jun  1 14:06:40 h2646465 sshd[18439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.189.197  user=root
Jun  1 14:06:42 h2646465 sshd[18439]: Failed password for root from 106.12.189.197 port 44436 ssh2
Jun  1 14:09:04 h264
2020-06-01 21:08:38
107.180.84.251 attackspam
Automatic report - Banned IP Access
2020-06-01 21:10:44
195.54.160.225 attack
scans 12 times in preceeding hours on the ports (in chronological order) 4485 4499 4476 4469 4467 4477 4458 4455 4475 4472 4494 4453
2020-06-01 20:33:20
37.187.105.36 attackspam
Jun  1 05:03:44 mockhub sshd[31578]: Failed password for root from 37.187.105.36 port 39074 ssh2
...
2020-06-01 20:31:30
106.12.195.99 attackspam
Jun  1 12:07:25 localhost sshd\[16899\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.195.99  user=root
Jun  1 12:07:27 localhost sshd\[16899\]: Failed password for root from 106.12.195.99 port 48294 ssh2
Jun  1 12:10:36 localhost sshd\[16949\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.195.99  user=root
...
2020-06-01 21:03:20
123.206.30.76 attack
Jun  1 15:21:00 journals sshd\[41447\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.30.76  user=root
Jun  1 15:21:01 journals sshd\[41447\]: Failed password for root from 123.206.30.76 port 50042 ssh2
Jun  1 15:23:58 journals sshd\[41849\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.30.76  user=root
Jun  1 15:24:00 journals sshd\[41849\]: Failed password for root from 123.206.30.76 port 52908 ssh2
Jun  1 15:26:42 journals sshd\[42145\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.30.76  user=root
...
2020-06-01 20:39:56
41.203.219.50 attackbotsspam
SSH fail RA
2020-06-01 20:44:39

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