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 <<>> 104.21.73.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15246
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.73.20.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:52:02 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.73.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.73.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.169.194 attackbotsspam
Apr  2 09:50:43 vmanager6029 sshd\[3562\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.194  user=root
Apr  2 09:50:45 vmanager6029 sshd\[3560\]: error: PAM: Authentication failure for root from 222.186.169.194
Apr  2 09:50:47 vmanager6029 sshd\[3563\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.169.194  user=root
2020-04-02 16:06:17
49.205.182.223 attack
2020-04-02T04:30:29.846657shield sshd\[14390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.205.182.223  user=root
2020-04-02T04:30:31.912513shield sshd\[14390\]: Failed password for root from 49.205.182.223 port 28610 ssh2
2020-04-02T04:34:51.864196shield sshd\[15881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.205.182.223  user=root
2020-04-02T04:34:53.563883shield sshd\[15881\]: Failed password for root from 49.205.182.223 port 31352 ssh2
2020-04-02T04:39:14.161583shield sshd\[17442\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.205.182.223  user=root
2020-04-02 16:27:42
206.189.73.164 attackspambots
<6 unauthorized SSH connections
2020-04-02 16:23:39
61.7.235.211 attackspambots
<6 unauthorized SSH connections
2020-04-02 16:17:19
198.108.67.81 attackspambots
04/01/2020-23:56:08.954500 198.108.67.81 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-04-02 16:13:16
159.203.70.169 attack
xmlrpc attack
2020-04-02 16:14:42
217.112.142.232 attack
Apr  2 06:59:40 mail.srvfarm.net postfix/smtpd[1782912]: NOQUEUE: reject: RCPT from unknown[217.112.142.232]: 554 5.7.1 Service unavailable; Client host [217.112.142.232] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?217.112.142.232; from= to= proto=ESMTP helo=
Apr  2 06:59:40 mail.srvfarm.net postfix/smtpd[1759801]: NOQUEUE: reject: RCPT from unknown[217.112.142.232]: 554 5.7.1 Service unavailable; Client host [217.112.142.232] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?217.112.142.232; from= to= proto=ESMTP helo=
Apr  2 06:59:40 mail.srvfarm.net postfix/smtpd[1778660]: NOQUEUE: reject: RCPT from unknown[217.112.142.232]: 554 5.7.1 Service unavailable; Client host [217.112.142.232] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?217.112.142.232; from=
2020-04-02 16:48:14
139.215.217.181 attackbots
Apr  2 08:40:27 mail sshd[1241]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.215.217.181  user=root
Apr  2 08:40:28 mail sshd[1241]: Failed password for root from 139.215.217.181 port 34243 ssh2
Apr  2 08:59:26 mail sshd[30660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.215.217.181  user=root
Apr  2 08:59:29 mail sshd[30660]: Failed password for root from 139.215.217.181 port 38090 ssh2
Apr  2 09:03:34 mail sshd[4693]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.215.217.181  user=root
Apr  2 09:03:36 mail sshd[4693]: Failed password for root from 139.215.217.181 port 33130 ssh2
...
2020-04-02 16:53:25
45.184.24.5 attackspambots
Apr  2 07:39:04 pornomens sshd\[18842\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.24.5  user=root
Apr  2 07:39:07 pornomens sshd\[18842\]: Failed password for root from 45.184.24.5 port 37240 ssh2
Apr  2 08:23:23 pornomens sshd\[18933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.24.5  user=root
...
2020-04-02 16:44:30
61.177.172.158 attack
2020-04-02T08:39:28.617687shield sshd\[28562\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root
2020-04-02T08:39:30.215109shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:39:32.979867shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:39:35.487898shield sshd\[28562\]: Failed password for root from 61.177.172.158 port 40900 ssh2
2020-04-02T08:40:18.185427shield sshd\[28862\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.158  user=root
2020-04-02 16:52:20
106.13.142.115 attackbotsspam
Invalid user satomi from 106.13.142.115 port 54624
2020-04-02 16:29:45
130.185.155.34 attackbots
Apr  2 10:28:30 silence02 sshd[24958]: Failed password for root from 130.185.155.34 port 48366 ssh2
Apr  2 10:32:43 silence02 sshd[25314]: Failed password for root from 130.185.155.34 port 33002 ssh2
2020-04-02 16:42:24
49.232.86.155 attackspambots
Invalid user vuq from 49.232.86.155 port 49564
2020-04-02 16:58:33
54.37.159.12 attackspambots
Apr  2 08:17:04 *** sshd[12521]: User root from 54.37.159.12 not allowed because not listed in AllowUsers
2020-04-02 16:33:03
222.186.15.62 attackbotsspam
Apr  2 10:04:46 plex sshd[10291]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
Apr  2 10:04:48 plex sshd[10291]: Failed password for root from 222.186.15.62 port 40096 ssh2
2020-04-02 16:22:26

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