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 <<>> 104.21.4.165
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23352
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.4.165.			IN	A

;; AUTHORITY SECTION:
.			161	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:30:12 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 165.4.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 165.4.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
109.234.153.133 attack
Unauthorized connection attempt detected from IP address 109.234.153.133 to port 8080
2020-07-22 04:36:02
106.53.240.171 attack
Unauthorized connection attempt detected from IP address 106.53.240.171 to port 1433 [T]
2020-07-22 04:37:41
51.15.118.15 attack
Invalid user daf from 51.15.118.15 port 55460
2020-07-22 05:03:07
103.61.102.74 attackspambots
Jul 21 18:44:20 ws26vmsma01 sshd[180998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.61.102.74
Jul 21 18:44:22 ws26vmsma01 sshd[180998]: Failed password for invalid user tom from 103.61.102.74 port 42250 ssh2
...
2020-07-22 04:38:54
52.187.148.245 attackbots
Jul 15 01:39:08 pi sshd[9723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.187.148.245 
Jul 15 01:39:10 pi sshd[9723]: Failed password for invalid user admin from 52.187.148.245 port 32691 ssh2
2020-07-22 04:42:45
195.54.161.67 attackbots
195.54.161.67 - - [21/Jul/2020:15:51:29 -0500] "- / HTTP/1.0" 400 219 000 0 0 0 15 282 0 0 0 NONE FIN FIN ERR_INVALID_REQ
2020-07-22 04:52:40
85.175.100.14 attackbotsspam
Unauthorized connection attempt from IP address 85.175.100.14 on Port 445(SMB)
2020-07-22 04:40:08
139.59.18.215 attackbots
Bruteforce detected by fail2ban
2020-07-22 04:56:10
202.57.40.227 attack
Unauthorized connection attempt detected from IP address 202.57.40.227 to port 80
2020-07-22 04:29:22
182.53.146.48 attack
Automatic report - Port Scan Attack
2020-07-22 04:54:47
89.165.3.1 attack
Unauthorized connection attempt detected from IP address 89.165.3.1 to port 1433 [T]
2020-07-22 04:39:41
84.47.171.253 attackbots
Unauthorized connection attempt detected from IP address 84.47.171.253 to port 23 [T]
2020-07-22 05:01:17
211.140.118.19 attackbotsspam
Unauthorized connection attempt detected from IP address 211.140.118.19 to port 1433 [T]
2020-07-22 04:28:38
195.54.160.21 attackbotsspam
Port scan: Attack repeated for 24 hours 195.54.160.21 - - [12/Jul/2020:19:23:08 +0300] "GET /solr/admin/info/system?wt=json HTTP/1.1" 404 456 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)
195.54.160.21 - - [12/Jul/2020:19:24:37 +0300] "GET /?XDEBUG_SESSION_START=phpstorm HTTP/1.1" 200 475 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)
2020-07-22 04:53:07
45.95.168.161 attackbotsspam
Jul 21 16:09:30 server sshd[39136]: Failed password for invalid user jira from 45.95.168.161 port 54610 ssh2
Jul 21 16:11:29 server sshd[39842]: Failed password for invalid user jenkins from 45.95.168.161 port 37008 ssh2
Jul 21 16:13:23 server sshd[40524]: Failed password for invalid user gituser from 45.95.168.161 port 47614 ssh2
2020-07-22 05:03:49

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