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 of America (the)

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 <<>> 21.168.66.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43712
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.168.66.57.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 14:00:06 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 57.66.168.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.66.168.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
117.6.87.131 attackspam
1580460465 - 01/31/2020 09:47:45 Host: 117.6.87.131/117.6.87.131 Port: 445 TCP Blocked
2020-01-31 19:15:14
5.135.152.97 attackspam
Jan 31 11:48:00 hosting sshd[26525]: Invalid user idul from 5.135.152.97 port 39370
...
2020-01-31 19:00:54
222.186.42.155 attackspam
Unauthorized connection attempt detected from IP address 222.186.42.155 to port 22 [J]
2020-01-31 18:51:42
167.71.194.70 attackbots
2020-01-31T05:52:08.307892xentho-1 sshd[928386]: Invalid user quincy from 167.71.194.70 port 58038
2020-01-31T05:52:08.313868xentho-1 sshd[928386]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.194.70
2020-01-31T05:52:08.307892xentho-1 sshd[928386]: Invalid user quincy from 167.71.194.70 port 58038
2020-01-31T05:52:09.675136xentho-1 sshd[928386]: Failed password for invalid user quincy from 167.71.194.70 port 58038 ssh2
2020-01-31T05:53:39.943782xentho-1 sshd[928421]: Invalid user nirvan from 167.71.194.70 port 43070
2020-01-31T05:53:39.950181xentho-1 sshd[928421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.194.70
2020-01-31T05:53:39.943782xentho-1 sshd[928421]: Invalid user nirvan from 167.71.194.70 port 43070
2020-01-31T05:53:41.803093xentho-1 sshd[928421]: Failed password for invalid user nirvan from 167.71.194.70 port 43070 ssh2
2020-01-31T05:55:12.726419xentho-1 sshd[928431]: Inval
...
2020-01-31 19:05:26
93.174.93.33 attack
Jan 31 11:45:00 h2177944 kernel: \[3665673.367151\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=93.174.93.33 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=22904 PROTO=TCP SPT=59487 DPT=33886 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 11:45:00 h2177944 kernel: \[3665673.367164\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=93.174.93.33 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=22904 PROTO=TCP SPT=59487 DPT=33886 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 11:47:06 h2177944 kernel: \[3665799.488579\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=93.174.93.33 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=43152 PROTO=TCP SPT=59487 DPT=33895 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 11:47:06 h2177944 kernel: \[3665799.488592\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=93.174.93.33 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=43152 PROTO=TCP SPT=59487 DPT=33895 WINDOW=1024 RES=0x00 SYN URGP=0 
Jan 31 11:52:12 h2177944 kernel: \[3666105.883459\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=93.174.93.33 DST=85.214.117.9
2020-01-31 18:54:35
221.6.35.90 attackspam
Jan 31 00:37:16 php1 sshd\[8276\]: Invalid user kxy from 221.6.35.90
Jan 31 00:37:16 php1 sshd\[8276\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.35.90
Jan 31 00:37:19 php1 sshd\[8276\]: Failed password for invalid user kxy from 221.6.35.90 port 16613 ssh2
Jan 31 00:39:21 php1 sshd\[8772\]: Invalid user madhumati from 221.6.35.90
Jan 31 00:39:21 php1 sshd\[8772\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.35.90
2020-01-31 18:59:46
37.187.104.135 attackspam
Triggered by Fail2Ban at Ares web server
2020-01-31 18:48:16
185.211.245.198 attackspam
Fail2Ban - SMTP Bruteforce Attempt
2020-01-31 18:40:48
123.30.236.149 attackbotsspam
Unauthorized connection attempt detected from IP address 123.30.236.149 to port 2220 [J]
2020-01-31 18:46:47
51.235.144.55 attack
Unauthorized connection attempt detected from IP address 51.235.144.55 to port 2220 [J]
2020-01-31 18:30:55
46.160.140.232 attackbots
port scan and connect, tcp 23 (telnet)
2020-01-31 18:36:39
138.197.129.38 attack
2020-01-31T10:48:41.395624scmdmz1 sshd[15870]: Invalid user kaikeyi from 138.197.129.38 port 53848
2020-01-31T10:48:41.398458scmdmz1 sshd[15870]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.129.38
2020-01-31T10:48:41.395624scmdmz1 sshd[15870]: Invalid user kaikeyi from 138.197.129.38 port 53848
2020-01-31T10:48:43.787360scmdmz1 sshd[15870]: Failed password for invalid user kaikeyi from 138.197.129.38 port 53848 ssh2
2020-01-31T10:51:40.306740scmdmz1 sshd[16229]: Invalid user hridik from 138.197.129.38 port 54618
...
2020-01-31 19:11:16
49.233.148.2 attackbotsspam
Jan 27 14:08:11 hosname21 sshd[8948]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.233.148.2  user=r.r
Jan 27 14:08:12 hosname21 sshd[8948]: Failed password for r.r from 49.233.148.2 port 36970 ssh2
Jan 27 14:08:17 hosname21 sshd[8948]: Received disconnect from 49.233.148.2 port 36970:11: Bye Bye [preauth]
Jan 27 14:08:17 hosname21 sshd[8948]: Disconnected from 49.233.148.2 port 36970 [preauth]
Jan 27 14:19:28 hosname21 sshd[10036]: Invalid user user from 49.233.148.2 port 59274
Jan 27 14:19:30 hosname21 sshd[10036]: Failed password for invalid user user from 49.233.148.2 port 59274 ssh2
Jan 27 14:19:31 hosname21 sshd[10036]: Received disconnect from 49.233.148.2 port 59274:11: Bye Bye [preauth]
Jan 27 14:19:31 hosname21 sshd[10036]: Disconnected from 49.233.148.2 port 59274 [preauth]
Jan 27 14:21:14 hosname21 sshd[10125]: Invalid user terry from 49.233.148.2 port 41794
Jan 27 14:21:16 hosname21 sshd[10125]: Failed password ........
-------------------------------
2020-01-31 18:49:51
213.227.134.8 attackbots
Unauthorised access (Jan 31) SRC=213.227.134.8 LEN=40 TTL=248 ID=13461 TCP DPT=8080 WINDOW=1024 SYN
2020-01-31 19:07:05
39.107.158.176 attackbotsspam
scan z
2020-01-31 18:48:03

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