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 <<>> 104.21.66.58
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9301
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.58.			IN	A

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

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:04:48 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 58.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 58.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
95.90.132.191 attackbots
Sep  6 01:17:56 XXX sshd[17519]: Invalid user ofsaa from 95.90.132.191 port 58934
2019-09-06 11:24:31
216.243.31.2 attackspambots
" "
2019-09-06 11:51:14
106.2.12.179 attackbots
Sep  5 17:10:13 hiderm sshd\[32507\]: Invalid user user from 106.2.12.179
Sep  5 17:10:13 hiderm sshd\[32507\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.2.12.179
Sep  5 17:10:15 hiderm sshd\[32507\]: Failed password for invalid user user from 106.2.12.179 port 43088 ssh2
Sep  5 17:13:47 hiderm sshd\[32759\]: Invalid user mailtest from 106.2.12.179
Sep  5 17:13:47 hiderm sshd\[32759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.2.12.179
2019-09-06 11:14:51
104.196.50.15 attackspam
2019-09-06T04:04:55.326087lon01.zurich-datacenter.net sshd\[26877\]: Invalid user git from 104.196.50.15 port 56648
2019-09-06T04:04:55.332584lon01.zurich-datacenter.net sshd\[26877\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=15.50.196.104.bc.googleusercontent.com
2019-09-06T04:04:57.069040lon01.zurich-datacenter.net sshd\[26877\]: Failed password for invalid user git from 104.196.50.15 port 56648 ssh2
2019-09-06T04:09:04.229594lon01.zurich-datacenter.net sshd\[26978\]: Invalid user daniel from 104.196.50.15 port 44182
2019-09-06T04:09:04.234668lon01.zurich-datacenter.net sshd\[26978\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=15.50.196.104.bc.googleusercontent.com
...
2019-09-06 11:28:31
113.228.126.83 attackbots
" "
2019-09-06 11:32:31
122.60.233.155 attackbotsspam
Automatic report - SSH Brute-Force Attack
2019-09-06 11:25:44
41.32.168.61 attackbots
firewall-block, port(s): 23/tcp
2019-09-06 11:53:18
218.92.0.160 attackbots
Sep  6 09:15:10 itv-usvr-01 sshd[11349]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.160  user=root
Sep  6 09:15:12 itv-usvr-01 sshd[11349]: Failed password for root from 218.92.0.160 port 19711 ssh2
2019-09-06 11:21:05
81.220.81.65 attackbots
Sep  6 02:09:58 XXX sshd[18422]: Invalid user ofsaa from 81.220.81.65 port 51534
2019-09-06 11:34:45
201.150.94.162 attack
Unauthorized connection attempt from IP address 201.150.94.162 on Port 445(SMB)
2019-09-06 11:15:30
147.135.255.107 attack
Sep  6 03:06:38 MK-Soft-VM7 sshd\[12318\]: Invalid user angela from 147.135.255.107 port 57530
Sep  6 03:06:38 MK-Soft-VM7 sshd\[12318\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=147.135.255.107
Sep  6 03:06:40 MK-Soft-VM7 sshd\[12318\]: Failed password for invalid user angela from 147.135.255.107 port 57530 ssh2
...
2019-09-06 11:41:15
188.165.32.90 attack
Sep  5 13:22:29 auw2 sshd\[4590\]: Invalid user 111111 from 188.165.32.90
Sep  5 13:22:29 auw2 sshd\[4590\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.32.90
Sep  5 13:22:31 auw2 sshd\[4590\]: Failed password for invalid user 111111 from 188.165.32.90 port 57414 ssh2
Sep  5 13:26:23 auw2 sshd\[4982\]: Invalid user mysql@123 from 188.165.32.90
Sep  5 13:26:23 auw2 sshd\[4982\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.165.32.90
2019-09-06 11:04:38
41.158.0.194 attackspam
Unauthorized connection attempt from IP address 41.158.0.194 on Port 445(SMB)
2019-09-06 11:27:51
125.22.98.171 attackbots
Sep  5 23:25:44 microserver sshd[35963]: Invalid user steampass from 125.22.98.171 port 43198
Sep  5 23:25:44 microserver sshd[35963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.22.98.171
Sep  5 23:25:46 microserver sshd[35963]: Failed password for invalid user steampass from 125.22.98.171 port 43198 ssh2
Sep  5 23:30:55 microserver sshd[36680]: Invalid user sftpuser from 125.22.98.171 port 58114
Sep  5 23:30:55 microserver sshd[36680]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.22.98.171
Sep  5 23:41:09 microserver sshd[38094]: Invalid user 12qwaszx from 125.22.98.171 port 59776
Sep  5 23:41:09 microserver sshd[38094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.22.98.171
Sep  5 23:41:12 microserver sshd[38094]: Failed password for invalid user 12qwaszx from 125.22.98.171 port 59776 ssh2
Sep  5 23:46:22 microserver sshd[38793]: Invalid user hippotec from 125.22.98.
2019-09-06 11:49:52
218.92.0.191 attackspam
Sep  6 05:09:45 legacy sshd[22863]: Failed password for root from 218.92.0.191 port 40504 ssh2
Sep  6 05:14:35 legacy sshd[22962]: Failed password for root from 218.92.0.191 port 59645 ssh2
...
2019-09-06 11:31:25

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