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 <<>> 104.21.72.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42027
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.73.			IN	A

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

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:51:25 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
206.189.147.137 attack
Jul 10 17:23:26 abendstille sshd\[25069\]: Invalid user zly from 206.189.147.137
Jul 10 17:23:26 abendstille sshd\[25069\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.147.137
Jul 10 17:23:28 abendstille sshd\[25069\]: Failed password for invalid user zly from 206.189.147.137 port 41688 ssh2
Jul 10 17:32:18 abendstille sshd\[1171\]: Invalid user speech-dispatcher from 206.189.147.137
Jul 10 17:32:18 abendstille sshd\[1171\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.147.137
...
2020-07-10 23:37:55
218.92.0.247 attackbots
2020-07-10T15:25:10.938820mail.csmailer.org sshd[11892]: Failed password for root from 218.92.0.247 port 7659 ssh2
2020-07-10T15:25:13.762779mail.csmailer.org sshd[11892]: Failed password for root from 218.92.0.247 port 7659 ssh2
2020-07-10T15:25:16.669580mail.csmailer.org sshd[11892]: Failed password for root from 218.92.0.247 port 7659 ssh2
2020-07-10T15:25:20.181553mail.csmailer.org sshd[11892]: Failed password for root from 218.92.0.247 port 7659 ssh2
2020-07-10T15:25:23.243848mail.csmailer.org sshd[11892]: Failed password for root from 218.92.0.247 port 7659 ssh2
...
2020-07-10 23:20:45
45.55.240.28 attackspambots
Scanning for exploits - /wordpress/wp-includes/wlwmanifest.xml
2020-07-10 23:30:53
18.221.203.238 attack
lee-Joomla Authentification : try to force the door...
2020-07-10 22:57:13
49.232.191.67 attackspam
2020-07-10T14:43:36.692829shield sshd\[2692\]: Invalid user linyu from 49.232.191.67 port 52058
2020-07-10T14:43:36.700869shield sshd\[2692\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.191.67
2020-07-10T14:43:38.953455shield sshd\[2692\]: Failed password for invalid user linyu from 49.232.191.67 port 52058 ssh2
2020-07-10T14:47:58.524204shield sshd\[3390\]: Invalid user www-data from 49.232.191.67 port 42040
2020-07-10T14:47:58.530848shield sshd\[3390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.191.67
2020-07-10 23:40:18
188.166.144.207 attackbots
Jul 10 12:30:44 124388 sshd[20382]: Invalid user sonic from 188.166.144.207 port 60984
Jul 10 12:30:44 124388 sshd[20382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.144.207
Jul 10 12:30:44 124388 sshd[20382]: Invalid user sonic from 188.166.144.207 port 60984
Jul 10 12:30:46 124388 sshd[20382]: Failed password for invalid user sonic from 188.166.144.207 port 60984 ssh2
Jul 10 12:34:14 124388 sshd[20537]: Invalid user naresh from 188.166.144.207 port 58558
2020-07-10 23:01:21
222.186.180.142 attackspambots
2020-07-10T11:02:09.826547na-vps210223 sshd[9423]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.142  user=root
2020-07-10T11:02:12.209228na-vps210223 sshd[9423]: Failed password for root from 222.186.180.142 port 55323 ssh2
2020-07-10T11:02:09.826547na-vps210223 sshd[9423]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.142  user=root
2020-07-10T11:02:12.209228na-vps210223 sshd[9423]: Failed password for root from 222.186.180.142 port 55323 ssh2
2020-07-10T11:02:16.244368na-vps210223 sshd[9423]: Failed password for root from 222.186.180.142 port 55323 ssh2
...
2020-07-10 23:08:26
79.137.76.15 attackbots
Jul 10 14:37:31 plex-server sshd[65789]: Invalid user ozzie from 79.137.76.15 port 45521
Jul 10 14:37:31 plex-server sshd[65789]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.137.76.15 
Jul 10 14:37:31 plex-server sshd[65789]: Invalid user ozzie from 79.137.76.15 port 45521
Jul 10 14:37:33 plex-server sshd[65789]: Failed password for invalid user ozzie from 79.137.76.15 port 45521 ssh2
Jul 10 14:40:35 plex-server sshd[66756]: Invalid user kimnk from 79.137.76.15 port 43370
...
2020-07-10 23:08:48
112.85.42.188 attackbotsspam
07/10/2020-11:05:51.908310 112.85.42.188 Protocol: 6 ET SCAN Potential SSH Scan
2020-07-10 23:06:55
46.38.145.247 attackspambots
2020-07-10 12:37:28 auth_plain authenticator failed for (User) [46.38.145.247]: 535 Incorrect authentication data (set_id=grafik@csmailer.org)
2020-07-10 12:37:53 auth_plain authenticator failed for (User) [46.38.145.247]: 535 Incorrect authentication data (set_id=zhua@csmailer.org)
2020-07-10 12:38:17 auth_plain authenticator failed for (User) [46.38.145.247]: 535 Incorrect authentication data (set_id=winifred@csmailer.org)
2020-07-10 12:38:37 auth_plain authenticator failed for (User) [46.38.145.247]: 535 Incorrect authentication data (set_id=stest-cen@csmailer.org)
2020-07-10 12:39:00 auth_plain authenticator failed for (User) [46.38.145.247]: 535 Incorrect authentication data (set_id=dev4@csmailer.org)
...
2020-07-10 23:08:01
192.241.219.52 attack
Port Scan detected!
...
2020-07-10 23:01:04
50.63.194.160 attackbots
Automatic report - XMLRPC Attack
2020-07-10 22:59:17
139.155.1.62 attackbotsspam
Jul 10 14:02:47 onepixel sshd[2125058]: Invalid user dywang from 139.155.1.62 port 53354
Jul 10 14:02:47 onepixel sshd[2125058]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.1.62 
Jul 10 14:02:47 onepixel sshd[2125058]: Invalid user dywang from 139.155.1.62 port 53354
Jul 10 14:02:49 onepixel sshd[2125058]: Failed password for invalid user dywang from 139.155.1.62 port 53354 ssh2
Jul 10 14:04:57 onepixel sshd[2126214]: Invalid user marisol from 139.155.1.62 port 49498
2020-07-10 22:58:18
114.7.164.250 attack
Jul 10 14:36:36 ajax sshd[20982]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.7.164.250 
Jul 10 14:36:38 ajax sshd[20982]: Failed password for invalid user kimberly from 114.7.164.250 port 60110 ssh2
2020-07-10 23:20:03
185.143.72.34 attackbotsspam
Jul 10 16:48:49 srv01 postfix/smtpd\[28698\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 10 16:49:27 srv01 postfix/smtpd\[28698\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 10 16:50:05 srv01 postfix/smtpd\[22008\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 10 16:50:42 srv01 postfix/smtpd\[8480\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 10 16:51:18 srv01 postfix/smtpd\[22008\]: warning: unknown\[185.143.72.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-07-10 23:01:38

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