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 <<>> 104.21.72.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20597
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.11.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:50:24 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 11.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.192.97.9 attack
2019-10-26T05:44:46.858283  sshd[24288]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.192.97.9  user=root
2019-10-26T05:44:48.475532  sshd[24288]: Failed password for root from 159.192.97.9 port 55260 ssh2
2019-10-26T05:49:25.381888  sshd[24386]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.192.97.9  user=root
2019-10-26T05:49:27.300003  sshd[24386]: Failed password for root from 159.192.97.9 port 37188 ssh2
2019-10-26T05:54:05.514109  sshd[24443]: Invalid user pi from 159.192.97.9 port 47362
...
2019-10-26 12:31:25
5.189.16.37 attackspam
Oct 26 06:11:41 mc1 kernel: \[3349438.953698\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=5.189.16.37 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=239 ID=51345 PROTO=TCP SPT=54940 DPT=1853 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 26 06:15:20 mc1 kernel: \[3349657.813226\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=5.189.16.37 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=239 ID=63734 PROTO=TCP SPT=54940 DPT=1271 WINDOW=1024 RES=0x00 SYN URGP=0 
Oct 26 06:15:35 mc1 kernel: \[3349672.978110\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=5.189.16.37 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=239 ID=36732 PROTO=TCP SPT=54940 DPT=236 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-10-26 12:34:42
103.15.62.69 attack
Oct 25 17:48:46 hanapaa sshd\[14925\]: Invalid user 123 from 103.15.62.69
Oct 25 17:48:46 hanapaa sshd\[14925\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.15.62.69
Oct 25 17:48:48 hanapaa sshd\[14925\]: Failed password for invalid user 123 from 103.15.62.69 port 38684 ssh2
Oct 25 17:54:51 hanapaa sshd\[15398\]: Invalid user nagiosnagios from 103.15.62.69
Oct 25 17:54:51 hanapaa sshd\[15398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.15.62.69
2019-10-26 12:06:19
111.231.119.141 attackspambots
2019-10-26T03:54:45.766649abusebot-7.cloudsearch.cf sshd\[22761\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.119.141  user=root
2019-10-26 12:08:48
83.97.20.47 attackspam
10/26/2019-06:33:48.196848 83.97.20.47 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-26 12:39:24
40.77.191.113 attack
Calling not existent HTTP content (400 or 404).
2019-10-26 12:20:46
41.221.168.167 attackbotsspam
Oct 26 05:53:50 lnxweb62 sshd[32500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.221.168.167
2019-10-26 12:41:30
129.204.42.62 attackbotsspam
Oct 26 06:49:37 tuotantolaitos sshd[11150]: Failed password for root from 129.204.42.62 port 59406 ssh2
...
2019-10-26 12:12:44
110.150.79.205 attack
Automatic report - Port Scan Attack
2019-10-26 12:17:35
180.76.58.76 attackspambots
Oct 25 17:50:25 kapalua sshd\[15783\]: Invalid user parola123321 from 180.76.58.76
Oct 25 17:50:25 kapalua sshd\[15783\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.58.76
Oct 25 17:50:27 kapalua sshd\[15783\]: Failed password for invalid user parola123321 from 180.76.58.76 port 45164 ssh2
Oct 25 17:54:36 kapalua sshd\[16165\]: Invalid user randerson from 180.76.58.76
Oct 25 17:54:36 kapalua sshd\[16165\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.58.76
2019-10-26 12:13:50
112.175.120.232 attackspam
slow and persistent scanner
2019-10-26 12:33:55
118.24.89.243 attackspam
Oct 26 05:53:57 MK-Soft-VM3 sshd[6681]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.89.243 
Oct 26 05:53:59 MK-Soft-VM3 sshd[6681]: Failed password for invalid user 11111qqqqq from 118.24.89.243 port 34928 ssh2
...
2019-10-26 12:35:47
107.170.209.246 attackbots
Automatic report - XMLRPC Attack
2019-10-26 12:32:56
45.224.126.168 attack
Oct 26 05:54:38 host sshd[42454]: Invalid user deploy from 45.224.126.168 port 45236
...
2019-10-26 12:11:59
172.81.248.249 attackbotsspam
Oct 26 05:50:34 vps691689 sshd[2232]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.81.248.249
Oct 26 05:50:36 vps691689 sshd[2232]: Failed password for invalid user sa445566 from 172.81.248.249 port 36004 ssh2
...
2019-10-26 12:06:05

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