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 <<>> 104.21.12.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25315
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.73.			IN	A

;; AUTHORITY SECTION:
.			588	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022201 1800 900 604800 86400

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 23 03:54:50 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.234.217.164 attackspambots
Aug 19 15:18:35 srv01 postfix/smtpd\[22058\]: warning: unknown\[185.234.217.164\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 15:23:32 srv01 postfix/smtpd\[12870\]: warning: unknown\[185.234.217.164\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 15:24:44 srv01 postfix/smtpd\[26384\]: warning: unknown\[185.234.217.164\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 15:25:34 srv01 postfix/smtpd\[23258\]: warning: unknown\[185.234.217.164\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 15:32:04 srv01 postfix/smtpd\[29899\]: warning: unknown\[185.234.217.164\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-19 21:51:59
49.235.244.227 attackspam
Aug 19 17:56:22 gw1 sshd[22870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.244.227
Aug 19 17:56:23 gw1 sshd[22870]: Failed password for invalid user plex from 49.235.244.227 port 59362 ssh2
...
2020-08-19 21:50:25
14.169.137.93 attackbotsspam
Automatic report - Port Scan Attack
2020-08-19 22:11:18
165.225.39.10 attackspambots
Unauthorized connection attempt from IP address 165.225.39.10 on Port 445(SMB)
2020-08-19 22:08:59
159.89.163.226 attackbotsspam
Aug 19 13:56:16 game-panel sshd[31365]: Failed password for root from 159.89.163.226 port 44268 ssh2
Aug 19 14:00:38 game-panel sshd[31593]: Failed password for root from 159.89.163.226 port 52556 ssh2
2020-08-19 22:18:43
14.191.84.17 attack
Unauthorized connection attempt from IP address 14.191.84.17 on Port 445(SMB)
2020-08-19 22:12:13
139.59.17.238 attackspambots
Port scan: Attack repeated for 24 hours
2020-08-19 22:16:07
45.148.122.152 attackbotsspam
Firewall Dropped Connection
2020-08-19 21:45:01
212.70.149.68 attack
Aug 19 16:58:13 www postfix/smtpd[32263]: warning: unknown[212.70.149.68]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 16:59:57 www postfix/smtpd[32263]: warning: unknown[212.70.149.68]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 17:01:41 www postfix/smtpd[32263]: warning: unknown[212.70.149.68]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 17:03:25 www postfix/smtpd[32263]: warning: unknown[212.70.149.68]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Aug 19 17:05:06 www postfix/smtpd[32263]: warning: unknown[212.70.149.68]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-08-19 22:13:52
91.185.52.195 attackspambots
Unauthorized connection attempt from IP address 91.185.52.195 on Port 445(SMB)
2020-08-19 22:02:53
198.12.84.221 attack
Aug 19 18:20:56 dhoomketu sshd[2485195]: Invalid user yhl from 198.12.84.221 port 59898
Aug 19 18:20:56 dhoomketu sshd[2485195]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.12.84.221 
Aug 19 18:20:56 dhoomketu sshd[2485195]: Invalid user yhl from 198.12.84.221 port 59898
Aug 19 18:20:57 dhoomketu sshd[2485195]: Failed password for invalid user yhl from 198.12.84.221 port 59898 ssh2
Aug 19 18:24:50 dhoomketu sshd[2485314]: Invalid user lzj from 198.12.84.221 port 40110
...
2020-08-19 21:51:41
210.245.110.9 attack
Aug 19 14:26:08 abendstille sshd\[32226\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.245.110.9  user=root
Aug 19 14:26:10 abendstille sshd\[32226\]: Failed password for root from 210.245.110.9 port 64893 ssh2
Aug 19 14:31:08 abendstille sshd\[4912\]: Invalid user backupuser from 210.245.110.9
Aug 19 14:31:08 abendstille sshd\[4912\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.245.110.9
Aug 19 14:31:10 abendstille sshd\[4912\]: Failed password for invalid user backupuser from 210.245.110.9 port 46799 ssh2
...
2020-08-19 22:05:07
5.135.180.185 attackspambots
2020-08-19T15:40:47.154245vps773228.ovh.net sshd[28508]: Invalid user rsync from 5.135.180.185 port 52120
2020-08-19T15:40:47.163162vps773228.ovh.net sshd[28508]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3289869.ip-5-135-180.eu
2020-08-19T15:40:47.154245vps773228.ovh.net sshd[28508]: Invalid user rsync from 5.135.180.185 port 52120
2020-08-19T15:40:48.947352vps773228.ovh.net sshd[28508]: Failed password for invalid user rsync from 5.135.180.185 port 52120 ssh2
2020-08-19T15:44:35.049024vps773228.ovh.net sshd[28586]: Invalid user testuser from 5.135.180.185 port 33104
...
2020-08-19 21:48:48
61.95.233.61 attackspambots
Aug 19 16:02:16 PorscheCustomer sshd[3982]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.95.233.61
Aug 19 16:02:18 PorscheCustomer sshd[3982]: Failed password for invalid user sebastian from 61.95.233.61 port 38710 ssh2
Aug 19 16:06:43 PorscheCustomer sshd[4101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.95.233.61
...
2020-08-19 22:17:50
111.93.235.74 attackbotsspam
Aug 19 13:56:45 plex-server sshd[3916497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.235.74 
Aug 19 13:56:45 plex-server sshd[3916497]: Invalid user lpf from 111.93.235.74 port 62366
Aug 19 13:56:47 plex-server sshd[3916497]: Failed password for invalid user lpf from 111.93.235.74 port 62366 ssh2
Aug 19 13:58:27 plex-server sshd[3917197]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.235.74  user=root
Aug 19 13:58:30 plex-server sshd[3917197]: Failed password for root from 111.93.235.74 port 56394 ssh2
...
2020-08-19 22:22:50

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