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 <<>> 104.21.5.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25847
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.66.			IN	A

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

;; Query time: 54 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:27:11 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 66.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
5.232.163.167 attack
Unauthorized connection attempt detected from IP address 5.232.163.167 to port 445
2019-12-29 19:39:25
222.186.173.183 attackspambots
detected by Fail2Ban
2019-12-29 20:17:51
185.85.189.13 attackspambots
Unauthorized connection attempt detected from IP address 185.85.189.13 to port 445
2019-12-29 19:44:40
190.221.160.190 attackspam
Unauthorized connection attempt detected from IP address 190.221.160.190 to port 445
2019-12-29 19:43:56
218.92.0.141 attackbotsspam
Dec 29 12:59:19 ns3110291 sshd\[20119\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.141  user=root
Dec 29 12:59:20 ns3110291 sshd\[20119\]: Failed password for root from 218.92.0.141 port 23431 ssh2
Dec 29 12:59:24 ns3110291 sshd\[20119\]: Failed password for root from 218.92.0.141 port 23431 ssh2
Dec 29 12:59:27 ns3110291 sshd\[20119\]: Failed password for root from 218.92.0.141 port 23431 ssh2
Dec 29 12:59:31 ns3110291 sshd\[20119\]: Failed password for root from 218.92.0.141 port 23431 ssh2
...
2019-12-29 20:02:27
102.100.43.224 attack
Unauthorized connection attempt detected from IP address 102.100.43.224 to port 445
2019-12-29 19:46:28
139.199.229.228 attackspambots
Dec 29 13:08:16 areeb-Workstation sshd[27724]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.229.228 
Dec 29 13:08:17 areeb-Workstation sshd[27724]: Failed password for invalid user kazee from 139.199.229.228 port 60310 ssh2
...
2019-12-29 19:56:30
176.121.255.46 attack
Unauthorized connection attempt detected from IP address 176.121.255.46 to port 445
2019-12-29 19:45:10
23.224.140.125 attack
Unauthorized connection attempt detected from IP address 23.224.140.125 to port 1433
2019-12-29 19:50:30
5.189.138.190 attackbots
Unauthorized connection attempt detected from IP address 5.189.138.190 to port 3389
2019-12-29 20:19:14
78.157.242.225 attackbotsspam
[portscan] Port scan
2019-12-29 20:16:26
45.136.110.26 attackspam
Dec 29 11:15:52 debian-2gb-nbg1-2 kernel: \[1267265.310996\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.136.110.26 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=180 ID=17582 PROTO=TCP SPT=50625 DPT=3351 WINDOW=1024 RES=0x00 SYN URGP=0
2019-12-29 19:57:02
49.234.206.45 attack
Dec 29 08:22:11 sd-53420 sshd\[24215\]: Invalid user test from 49.234.206.45
Dec 29 08:22:11 sd-53420 sshd\[24215\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.206.45
Dec 29 08:22:13 sd-53420 sshd\[24215\]: Failed password for invalid user test from 49.234.206.45 port 34858 ssh2
Dec 29 08:25:47 sd-53420 sshd\[25724\]: Invalid user redmann from 49.234.206.45
Dec 29 08:25:47 sd-53420 sshd\[25724\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.206.45
...
2019-12-29 20:19:46
201.206.93.206 attackbotsspam
1577602412 - 12/29/2019 07:53:32 Host: 201.206.93.206/201.206.93.206 Port: 8080 TCP Blocked
2019-12-29 19:41:53
86.159.111.21 attack
port scan and connect, tcp 23 (telnet)
2019-12-29 20:15:19

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