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 <<>> 104.21.81.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47544
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.20.			IN	A

;; AUTHORITY SECTION:
.			300	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:31 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
217.19.154.220 attackspambots
2020-03-10T04:56:23.539723shield sshd\[27824\]: Invalid user quest from 217.19.154.220 port 61589
2020-03-10T04:56:23.547204shield sshd\[27824\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-217-19-154-220.ip.retelit.it
2020-03-10T04:56:25.010213shield sshd\[27824\]: Failed password for invalid user quest from 217.19.154.220 port 61589 ssh2
2020-03-10T04:58:16.765276shield sshd\[28102\]: Invalid user gongmq from 217.19.154.220 port 20583
2020-03-10T04:58:16.774166shield sshd\[28102\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-217-19-154-220.ip.retelit.it
2020-03-10 13:44:34
106.54.105.168 attack
Mar 10 04:53:52 MK-Soft-Root1 sshd[27048]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.105.168 
Mar 10 04:53:55 MK-Soft-Root1 sshd[27048]: Failed password for invalid user jenkins from 106.54.105.168 port 51432 ssh2
...
2020-03-10 13:57:04
5.104.107.28 attackspambots
fail2ban
2020-03-10 13:58:21
222.186.30.57 attack
Mar 10 10:59:50 areeb-Workstation sshd[14133]: Failed password for root from 222.186.30.57 port 44543 ssh2
Mar 10 10:59:53 areeb-Workstation sshd[14133]: Failed password for root from 222.186.30.57 port 44543 ssh2
...
2020-03-10 13:38:43
51.75.4.79 attackspambots
Mar 10 01:04:04 NPSTNNYC01T sshd[9285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.4.79
Mar 10 01:04:06 NPSTNNYC01T sshd[9285]: Failed password for invalid user appimgr from 51.75.4.79 port 55132 ssh2
Mar 10 01:07:45 NPSTNNYC01T sshd[9512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.4.79
...
2020-03-10 13:19:18
123.184.42.217 attackspam
2020-03-10T05:13:46.111259shield sshd\[30501\]: Invalid user liuchuang from 123.184.42.217 port 51718
2020-03-10T05:13:46.120979shield sshd\[30501\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.184.42.217
2020-03-10T05:13:47.762398shield sshd\[30501\]: Failed password for invalid user liuchuang from 123.184.42.217 port 51718 ssh2
2020-03-10T05:15:55.874388shield sshd\[30768\]: Invalid user test4 from 123.184.42.217 port 47212
2020-03-10T05:15:55.883106shield sshd\[30768\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.184.42.217
2020-03-10 13:22:37
61.177.172.158 attackspambots
2020-03-10T05:18:05.267787shield sshd\[31022\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root
2020-03-10T05:18:07.130328shield sshd\[31022\]: Failed password for root from 61.177.172.158 port 42765 ssh2
2020-03-10T05:18:08.849209shield sshd\[31022\]: Failed password for root from 61.177.172.158 port 42765 ssh2
2020-03-10T05:18:11.175062shield sshd\[31022\]: Failed password for root from 61.177.172.158 port 42765 ssh2
2020-03-10T05:21:32.511627shield sshd\[31513\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root
2020-03-10 13:21:44
170.81.148.7 attackbots
SSH Login Bruteforce
2020-03-10 13:20:13
222.186.42.7 attack
(sshd) Failed SSH login from 222.186.42.7 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 10 06:01:21 amsweb01 sshd[32486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.7  user=root
Mar 10 06:01:23 amsweb01 sshd[32486]: Failed password for root from 222.186.42.7 port 39497 ssh2
Mar 10 06:01:26 amsweb01 sshd[32486]: Failed password for root from 222.186.42.7 port 39497 ssh2
Mar 10 06:01:28 amsweb01 sshd[32486]: Failed password for root from 222.186.42.7 port 39497 ssh2
Mar 10 06:25:19 amsweb01 sshd[2616]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.7  user=root
2020-03-10 13:30:37
178.33.12.237 attackbotsspam
2020-03-10T04:47:30.743058shield sshd\[26776\]: Invalid user daniel from 178.33.12.237 port 50974
2020-03-10T04:47:30.750597shield sshd\[26776\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.12.237
2020-03-10T04:47:33.034594shield sshd\[26776\]: Failed password for invalid user daniel from 178.33.12.237 port 50974 ssh2
2020-03-10T04:55:17.393090shield sshd\[27621\]: Invalid user testuser from 178.33.12.237 port 57318
2020-03-10T04:55:17.400170shield sshd\[27621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.33.12.237
2020-03-10 13:24:12
167.71.57.61 attack
Failed password for root from 167.71.57.61 port 45518 ssh2
Failed password for root from 167.71.57.61 port 39710 ssh2
2020-03-10 13:47:18
158.46.187.79 attackbotsspam
[Tue Mar 10 04:53:35.114584 2020] [authz_core:error] [pid 30062:tid 139882060023552] [client 158.46.187.79:51470] AH01630: client denied by server configuration: /var/www/vhosts/yourdailypornvideos.com/httpdocs/
[Tue Mar 10 04:53:54.898492 2020] [authz_core:error] [pid 29953:tid 139882026452736] [client 158.46.187.79:53018] AH01630: client denied by server configuration: /var/www/vhosts/yourdailypornvideos.com/httpdocs/
[Tue Mar 10 04:54:06.487704 2020] [authz_core:error] [pid 29149:tid 139882118772480] [client 158.46.187.79:53878] AH01630: client denied by server configuration: /var/www/vhosts/yourdailypornvideos.com/httpdocs/
[Tue Mar 10 04:54:10.756271 2020] [authz_core:error] [pid 8702:tid 139881984489216] [client 158.46.187.79:54144] AH01630: client denied by server configuration: /var/www/vhosts/yourdailypornvideos.com/httpdocs/
...
2020-03-10 13:49:54
179.232.1.252 attackspambots
Mar 10 10:30:09 gw1 sshd[16966]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.232.1.252
Mar 10 10:30:11 gw1 sshd[16966]: Failed password for invalid user hobbit from 179.232.1.252 port 37268 ssh2
...
2020-03-10 13:50:46
198.89.92.162 attackbots
Mar 10 07:47:01 hosting sshd[6926]: Invalid user abc! from 198.89.92.162 port 55474
...
2020-03-10 13:27:38
118.70.67.52 attackspam
$f2bV_matches
2020-03-10 13:34:26

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