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 <<>> 104.16.21.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1291
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.16.21.20.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031801 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 19 09:19:19 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.21.16.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.21.16.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.201.231.4 attackbotsspam
scan z
2020-04-20 01:50:36
89.248.167.131 attackspam
5 failures
2020-04-20 02:10:38
157.230.116.218 attackspam
firewall-block, port(s): 14643/tcp
2020-04-20 01:56:09
110.35.173.2 attackspam
Apr 19 11:28:42 XXXXXX sshd[22156]: Invalid user zw from 110.35.173.2 port 2130
2020-04-20 02:16:07
106.13.2.130 attack
2020-04-19 15:46:47,054 fail2ban.actions: WARNING [ssh] Ban 106.13.2.130
2020-04-20 02:07:02
67.198.232.59 attack
firewall-block, port(s): 1433/tcp
2020-04-20 02:13:42
193.70.100.120 attack
Apr 19 19:12:27 h2779839 sshd[7522]: Invalid user test from 193.70.100.120 port 37652
Apr 19 19:12:27 h2779839 sshd[7522]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.100.120
Apr 19 19:12:27 h2779839 sshd[7522]: Invalid user test from 193.70.100.120 port 37652
Apr 19 19:12:29 h2779839 sshd[7522]: Failed password for invalid user test from 193.70.100.120 port 37652 ssh2
Apr 19 19:16:39 h2779839 sshd[7601]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.100.120  user=root
Apr 19 19:16:41 h2779839 sshd[7601]: Failed password for root from 193.70.100.120 port 56242 ssh2
Apr 19 19:20:55 h2779839 sshd[7665]: Invalid user od from 193.70.100.120 port 46668
Apr 19 19:20:55 h2779839 sshd[7665]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.100.120
Apr 19 19:20:55 h2779839 sshd[7665]: Invalid user od from 193.70.100.120 port 46668
Apr 19 19:20:57 h277
...
2020-04-20 02:18:25
197.156.104.14 attack
Unauthorized connection attempt from IP address 197.156.104.14 on Port 445(SMB)
2020-04-20 01:52:07
50.235.176.173 attack
Unauthorized connection attempt from IP address 50.235.176.173 on Port 445(SMB)
2020-04-20 01:49:48
222.186.180.130 attackspam
04/19/2020-13:40:53.156933 222.186.180.130 Protocol: 6 ET SCAN Potential SSH Scan
2020-04-20 01:47:00
35.239.245.157 attackbotsspam
Unauthorized connection attempt detected from IP address 35.239.245.157 to port 22
2020-04-20 01:41:37
51.15.56.133 attackspambots
prod11
...
2020-04-20 02:04:14
36.152.127.67 attack
Apr 19 13:46:53 server sshd[25029]: Failed password for root from 36.152.127.67 port 57950 ssh2
Apr 19 13:54:07 server sshd[27477]: Failed password for root from 36.152.127.67 port 60694 ssh2
Apr 19 14:00:05 server sshd[29355]: Failed password for invalid user ts3bot from 36.152.127.67 port 51024 ssh2
2020-04-20 02:14:15
52.174.81.61 attackspambots
detected by Fail2Ban
2020-04-20 01:46:21
79.127.101.194 attack
Unauthorized connection attempt from IP address 79.127.101.194 on Port 445(SMB)
2020-04-20 01:43:41

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