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 <<>> 104.21.66.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30015
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.73.			IN	A

;; AUTHORITY SECTION:
.			244	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: Fri Feb 18 02:05:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.140 attackspam
Feb 12 03:53:58 vmanager6029 sshd\[27455\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
Feb 12 03:53:59 vmanager6029 sshd\[27455\]: Failed password for root from 222.186.175.140 port 7922 ssh2
Feb 12 03:54:02 vmanager6029 sshd\[27455\]: Failed password for root from 222.186.175.140 port 7922 ssh2
2020-02-12 10:57:30
134.255.225.214 attack
Feb 11 17:03:42 server sshd[25164]: reveeclipse mapping checking getaddrinfo for rs-zap475512-1.zap-srv.com [134.255.225.214] failed - POSSIBLE BREAK-IN ATTEMPT!
Feb 11 17:03:45 server sshd[25164]: Failed password for invalid user a from 134.255.225.214 port 36028 ssh2
Feb 11 17:03:45 server sshd[25164]: Received disconnect from 134.255.225.214: 11: Normal Shutdown, Thank you for playing [preauth]
Feb 11 17:04:10 server sshd[25168]: reveeclipse mapping checking getaddrinfo for rs-zap475512-1.zap-srv.com [134.255.225.214] failed - POSSIBLE BREAK-IN ATTEMPT!
Feb 11 17:04:10 server sshd[25168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.255.225.214  user=r.r
Feb 11 17:04:12 server sshd[25168]: Failed password for r.r from 134.255.225.214 port 57238 ssh2
Feb 11 17:04:12 server sshd[25168]: Received disconnect from 134.255.225.214: 11: Normal Shutdown, Thank you for playing [preauth]
Feb 11 17:04:38 server sshd[25174]: reveecl........
-------------------------------
2020-02-12 11:07:08
51.77.41.246 attackbotsspam
Feb 12 00:30:23 plex sshd[27741]: Invalid user clara from 51.77.41.246 port 53210
2020-02-12 11:10:41
43.245.222.163 attack
Feb 11 23:24:20 debian-2gb-nbg1-2 kernel: \[3719091.933366\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=43.245.222.163 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=112 ID=50479 PROTO=TCP SPT=27153 DPT=992 WINDOW=17373 RES=0x00 SYN URGP=0
2020-02-12 10:41:22
103.219.112.47 attack
Invalid user zav from 103.219.112.47 port 41676
2020-02-12 10:30:43
222.127.96.206 attackspambots
$f2bV_matches
2020-02-12 11:04:42
91.133.241.208 attack
Unauthorized connection attempt from IP address 91.133.241.208 on Port 445(SMB)
2020-02-12 10:33:07
45.143.223.38 attackspambots
Feb 12 02:23:52 mail postfix/smtpd[13649]: warning: unknown[45.143.223.38]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 12 02:23:58 mail postfix/smtpd[13776]: warning: unknown[45.143.223.38]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Feb 12 02:24:08 mail postfix/smtpd[14287]: warning: unknown[45.143.223.38]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-02-12 10:56:08
222.186.30.218 attackbots
Feb 12 05:59:57 MK-Soft-VM5 sshd[21670]: Failed password for root from 222.186.30.218 port 49874 ssh2
Feb 12 05:59:59 MK-Soft-VM5 sshd[21670]: Failed password for root from 222.186.30.218 port 49874 ssh2
...
2020-02-12 13:14:00
138.118.241.42 attack
Port scan (80/tcp)
2020-02-12 10:47:23
218.92.0.145 attackspambots
Feb 12 05:58:34 legacy sshd[3751]: Failed password for root from 218.92.0.145 port 20440 ssh2
Feb 12 05:58:44 legacy sshd[3751]: Failed password for root from 218.92.0.145 port 20440 ssh2
Feb 12 05:58:48 legacy sshd[3751]: Failed password for root from 218.92.0.145 port 20440 ssh2
Feb 12 05:58:48 legacy sshd[3751]: error: maximum authentication attempts exceeded for root from 218.92.0.145 port 20440 ssh2 [preauth]
...
2020-02-12 13:07:56
122.51.162.201 attackbotsspam
Feb 12 03:04:49 vmd17057 sshd\[25491\]: Invalid user qiao from 122.51.162.201 port 48008
Feb 12 03:04:49 vmd17057 sshd\[25491\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.162.201
Feb 12 03:04:51 vmd17057 sshd\[25491\]: Failed password for invalid user qiao from 122.51.162.201 port 48008 ssh2
...
2020-02-12 10:47:53
58.254.132.49 attack
Feb 12 03:17:18 sd-53420 sshd\[26574\]: Invalid user historis from 58.254.132.49
Feb 12 03:17:18 sd-53420 sshd\[26574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.254.132.49
Feb 12 03:17:20 sd-53420 sshd\[26574\]: Failed password for invalid user historis from 58.254.132.49 port 27603 ssh2
Feb 12 03:20:20 sd-53420 sshd\[26872\]: Invalid user eoffice from 58.254.132.49
Feb 12 03:20:20 sd-53420 sshd\[26872\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.254.132.49
...
2020-02-12 11:06:06
111.206.164.161 attackspam
Feb 11 23:24:21 debian-2gb-nbg1-2 kernel: \[3719093.290227\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=111.206.164.161 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=230 ID=65497 PROTO=TCP SPT=33253 DPT=1433 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-12 10:38:39
98.213.151.85 attackbotsspam
Feb 12 01:06:22 debian-2gb-nbg1-2 kernel: \[3725213.932714\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=98.213.151.85 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=49 ID=31920 PROTO=TCP SPT=51363 DPT=85 WINDOW=13046 RES=0x00 SYN URGP=0
2020-02-12 10:39:28

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