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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 166.4.161.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59581
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;166.4.161.21.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020300 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 03 21:25:52 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.161.4.166.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 21.161.4.166.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
212.237.37.205 attackspam
2020-04-07T10:01:59.720754abusebot-2.cloudsearch.cf sshd[27574]: Invalid user deploy from 212.237.37.205 port 46014
2020-04-07T10:01:59.728082abusebot-2.cloudsearch.cf sshd[27574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.37.205
2020-04-07T10:01:59.720754abusebot-2.cloudsearch.cf sshd[27574]: Invalid user deploy from 212.237.37.205 port 46014
2020-04-07T10:02:01.422191abusebot-2.cloudsearch.cf sshd[27574]: Failed password for invalid user deploy from 212.237.37.205 port 46014 ssh2
2020-04-07T10:07:01.630990abusebot-2.cloudsearch.cf sshd[27958]: Invalid user deploy from 212.237.37.205 port 54564
2020-04-07T10:07:01.639462abusebot-2.cloudsearch.cf sshd[27958]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.37.205
2020-04-07T10:07:01.630990abusebot-2.cloudsearch.cf sshd[27958]: Invalid user deploy from 212.237.37.205 port 54564
2020-04-07T10:07:03.458021abusebot-2.cloudsearch.cf sshd[27
...
2020-04-07 20:07:18
124.156.50.108 attack
inbound access attempt
2020-04-07 20:10:12
92.63.194.108 attackbots
$f2bV_matches
2020-04-07 20:15:16
185.204.3.36 attackbotsspam
Apr  7 11:40:21 ks10 sshd[3023167]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.204.3.36 
Apr  7 11:40:23 ks10 sshd[3023167]: Failed password for invalid user jeff from 185.204.3.36 port 51080 ssh2
...
2020-04-07 19:57:05
80.82.77.33 attack
scans once in preceeding hours on the ports (in chronological order) 4800 resulting in total of 44 scans from 80.82.64.0/20 block.
2020-04-07 20:26:53
92.63.194.7 attackspambots
04/07/2020-07:27:15.178749 92.63.194.7 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-04-07 20:13:01
180.246.0.170 attackbots
Unauthorized connection attempt from IP address 180.246.0.170 on Port 445(SMB)
2020-04-07 20:07:00
92.63.194.107 attackspambots
$f2bV_matches
2020-04-07 20:15:47
188.131.178.32 attackbots
Apr  7 12:20:57 *** sshd[23076]: Invalid user roland from 188.131.178.32
2020-04-07 20:23:33
137.74.199.180 attack
Apr  7 13:24:30 markkoudstaal sshd[13577]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.199.180
Apr  7 13:24:32 markkoudstaal sshd[13577]: Failed password for invalid user ts from 137.74.199.180 port 55712 ssh2
Apr  7 13:28:19 markkoudstaal sshd[14279]: Failed password for root from 137.74.199.180 port 38096 ssh2
2020-04-07 19:48:04
84.236.185.247 attack
Apr  7 05:45:22  exim[17619]: [1\29] 1jLfAw-0004aB-Dw H=(tmoorecpa.com) [84.236.185.247] F= rejected after DATA: This message scored 103.5 spam points.
2020-04-07 20:18:20
162.243.132.31 attackspam
scan z
2020-04-07 19:54:07
118.175.173.161 attackspam
Unauthorized connection attempt from IP address 118.175.173.161 on Port 445(SMB)
2020-04-07 19:56:31
92.63.194.106 attackspambots
$f2bV_matches
2020-04-07 20:22:14
5.228.156.158 attackbots
Apr  7 06:45:17 www1 sshd\[21465\]: Failed password for root from 5.228.156.158 port 43789 ssh2Apr  7 06:45:36 www1 sshd\[21512\]: Failed password for root from 5.228.156.158 port 43804 ssh2Apr  7 06:45:58 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:00 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:02 www1 sshd\[21543\]: Failed password for root from 5.228.156.158 port 43823 ssh2Apr  7 06:46:09 www1 sshd\[21572\]: Invalid user admin from 5.228.156.158Apr  7 06:46:10 www1 sshd\[21572\]: Failed password for invalid user admin from 5.228.156.158 port 59970 ssh2
...
2020-04-07 20:08:47

Recently Reported IPs

188.83.159.231 185.38.14.39 120.186.125.195 72.131.79.139
74.136.9.193 200.80.59.138 22.112.189.155 78.126.19.65
180.230.171.190 70.19.33.80 193.5.103.163 149.212.34.221
69.182.31.162 9.11.245.250 155.82.56.17 84.124.37.185
68.248.194.11 129.200.16.167 16.159.23.8 233.103.144.6