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 <<>> 104.21.20.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42254
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.66.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:51:19 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
1.179.146.156 attackspambots
Nov 15 19:40:23 wbs sshd\[15607\]: Invalid user dbus from 1.179.146.156
Nov 15 19:40:23 wbs sshd\[15607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.179.146.156
Nov 15 19:40:26 wbs sshd\[15607\]: Failed password for invalid user dbus from 1.179.146.156 port 51748 ssh2
Nov 15 19:46:46 wbs sshd\[16063\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.179.146.156  user=root
Nov 15 19:46:48 wbs sshd\[16063\]: Failed password for root from 1.179.146.156 port 59656 ssh2
2019-11-16 14:00:52
222.186.175.148 attackbotsspam
Nov 16 07:10:15 nextcloud sshd\[24418\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
Nov 16 07:10:17 nextcloud sshd\[24418\]: Failed password for root from 222.186.175.148 port 59198 ssh2
Nov 16 07:10:34 nextcloud sshd\[24810\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
...
2019-11-16 14:11:06
142.59.220.69 attackbots
445/tcp 1433/tcp...
[2019-10-19/11-16]4pkt,2pt.(tcp)
2019-11-16 13:51:25
5.141.96.235 attackbots
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/5.141.96.235/ 
 
 RU - 1H : (161)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : RU 
 NAME ASN : ASN12389 
 
 IP : 5.141.96.235 
 
 CIDR : 5.141.96.0/23 
 
 PREFIX COUNT : 2741 
 
 UNIQUE IP COUNT : 8699648 
 
 
 ATTACKS DETECTED ASN12389 :  
  1H - 3 
  3H - 14 
  6H - 24 
 12H - 41 
 24H - 76 
 
 DateTime : 2019-11-16 05:55:32 
 
 INFO : Port MAX SCAN Scan Detected and Blocked by ADMIN  - data recovery
2019-11-16 13:54:22
211.187.9.234 attackbots
Telnet Server BruteForce Attack
2019-11-16 14:15:43
212.92.101.89 attackspam
Connection by 212.92.101.89 on port: 9858 got caught by honeypot at 11/16/2019 4:54:23 AM
2019-11-16 14:12:00
152.136.191.138 attack
Invalid user zhangboyuan510211 from 152.136.191.138 port 46360
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.191.138
Failed password for invalid user zhangboyuan510211 from 152.136.191.138 port 46360 ssh2
Invalid user aloko from 152.136.191.138 port 36545
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.191.138
2019-11-16 14:08:30
115.50.68.105 attack
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/115.50.68.105/ 
 
 CN - 1H : (723)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4837 
 
 IP : 115.50.68.105 
 
 CIDR : 115.48.0.0/12 
 
 PREFIX COUNT : 1262 
 
 UNIQUE IP COUNT : 56665856 
 
 
 ATTACKS DETECTED ASN4837 :  
  1H - 21 
  3H - 39 
  6H - 73 
 12H - 125 
 24H - 272 
 
 DateTime : 2019-11-16 05:55:37 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-11-16 13:49:46
159.203.201.164 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-16 14:12:29
107.170.190.16 attackspam
*Port Scan* detected from 107.170.190.16 (US/United States/-). 4 hits in the last 205 seconds
2019-11-16 14:08:13
78.158.180.57 attack
445/tcp 445/tcp 445/tcp...
[2019-09-28/11-16]7pkt,1pt.(tcp)
2019-11-16 14:22:06
49.231.222.7 attackspam
Unauthorized connection attempt from IP address 49.231.222.7 on Port 445(SMB)
2019-11-16 14:20:49
140.143.227.49 attack
23/tcp 23/tcp 23/tcp...
[2019-11-06/16]5pkt,1pt.(tcp)
2019-11-16 14:22:24
92.118.37.70 attackspam
Unauthorized connection attempt from IP address 92.118.37.70 on Port 3389(RDP)
2019-11-16 14:20:26
109.121.199.43 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-16 14:19:56

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