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 <<>> 104.21.39.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 65372
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.21.			IN	A

;; AUTHORITY SECTION:
.			321	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:27:37 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
15.207.134.212 attackbotsspam
15.207.134.212 - - [31/Aug/2020:04:42:11 +0100] "POST /wp-login.php HTTP/1.1" 200 1933 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
15.207.134.212 - - [31/Aug/2020:04:42:12 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
15.207.134.212 - - [31/Aug/2020:04:51:42 +0100] "POST /wp-login.php HTTP/1.1" 200 1933 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-31 17:13:14
111.12.253.154 attackspam
Icarus honeypot on github
2020-08-31 17:07:26
14.162.17.115 attack
1598845924 - 08/31/2020 05:52:04 Host: 14.162.17.115/14.162.17.115 Port: 445 TCP Blocked
...
2020-08-31 16:59:37
222.186.52.78 attackspam
Aug 31 10:59:35 * sshd[28473]: Failed password for root from 222.186.52.78 port 36429 ssh2
2020-08-31 17:02:19
111.125.70.22 attackspam
Aug 31 01:52:20 vps46666688 sshd[14563]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.125.70.22
Aug 31 01:52:22 vps46666688 sshd[14563]: Failed password for invalid user ssl from 111.125.70.22 port 58163 ssh2
...
2020-08-31 17:01:58
205.185.127.217 attack
Time:     Mon Aug 31 03:50:45 2020 +0000
IP:       205.185.127.217 (US/United States/tor-exit.monoxyde.org)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Aug 31 03:50:32 vps3 sshd[6141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=205.185.127.217  user=root
Aug 31 03:50:34 vps3 sshd[6141]: Failed password for root from 205.185.127.217 port 40167 ssh2
Aug 31 03:50:36 vps3 sshd[6141]: Failed password for root from 205.185.127.217 port 40167 ssh2
Aug 31 03:50:39 vps3 sshd[6141]: Failed password for root from 205.185.127.217 port 40167 ssh2
Aug 31 03:50:41 vps3 sshd[6141]: Failed password for root from 205.185.127.217 port 40167 ssh2
2020-08-31 17:00:49
64.225.39.69 attackspam
Aug 31 10:32:40 * sshd[26031]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=64.225.39.69
Aug 31 10:32:42 * sshd[26031]: Failed password for invalid user monte from 64.225.39.69 port 55956 ssh2
2020-08-31 17:17:21
180.94.71.82 attack
 TCP (SYN) 180.94.71.82:56968 -> port 1433, len 40
2020-08-31 17:41:42
190.122.223.64 attackspam
Unauthorised access (Aug 31) SRC=190.122.223.64 LEN=52 TOS=0x10 PREC=0x40 TTL=113 ID=31349 DF TCP DPT=445 WINDOW=8192 SYN
2020-08-31 17:41:16
158.69.0.38 attackbots
Aug 31 07:19:44 XXXXXX sshd[27128]: Invalid user web from 158.69.0.38 port 51576
2020-08-31 16:57:54
106.12.208.211 attackspambots
Aug 31 05:47:29 web1 sshd\[29574\]: Invalid user status from 106.12.208.211
Aug 31 05:47:29 web1 sshd\[29574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.208.211
Aug 31 05:47:31 web1 sshd\[29574\]: Failed password for invalid user status from 106.12.208.211 port 51214 ssh2
Aug 31 05:51:36 web1 sshd\[29825\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.208.211  user=root
Aug 31 05:51:38 web1 sshd\[29825\]: Failed password for root from 106.12.208.211 port 44366 ssh2
2020-08-31 17:14:04
184.168.193.195 attackbots
xmlrpc attack
2020-08-31 17:35:07
119.147.137.79 attack
Port probing on unauthorized port 27443
2020-08-31 17:39:51
91.221.218.147 attackbotsspam
Icarus honeypot on github
2020-08-31 17:02:49
125.16.208.254 attackspam
Unauthorized connection attempt detected from IP address 125.16.208.254 to port 23 [T]
2020-08-31 16:59:09

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