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
23.105.171.100 attack
2020-05-04 00:24:50
2607:f298:5:102f::7f2:4236 attackbotsspam
C1,WP GET /daisuki/wp-login.php
2020-05-04 00:57:12
61.157.138.117 attackbots
" "
2020-05-04 00:29:55
195.85.226.166 attack
1588507808 - 05/03/2020 14:10:08 Host: 195.85.226.166/195.85.226.166 Port: 445 TCP Blocked
2020-05-04 00:59:45
190.202.40.53 attackbots
May  3 15:59:16 scw-6657dc sshd[12471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.202.40.53
May  3 15:59:16 scw-6657dc sshd[12471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.202.40.53
May  3 15:59:18 scw-6657dc sshd[12471]: Failed password for invalid user docker from 190.202.40.53 port 40780 ssh2
...
2020-05-04 00:43:02
218.92.0.138 attackbots
May  3 18:11:42 vps sshd[960862]: Failed password for root from 218.92.0.138 port 43987 ssh2
May  3 18:11:45 vps sshd[960862]: Failed password for root from 218.92.0.138 port 43987 ssh2
May  3 18:11:48 vps sshd[960862]: Failed password for root from 218.92.0.138 port 43987 ssh2
May  3 18:11:51 vps sshd[960862]: Failed password for root from 218.92.0.138 port 43987 ssh2
May  3 18:11:55 vps sshd[960862]: Failed password for root from 218.92.0.138 port 43987 ssh2
...
2020-05-04 00:15:38
51.75.254.172 attackspambots
May  3 14:06:41 home sshd[3888]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.254.172
May  3 14:06:43 home sshd[3888]: Failed password for invalid user tj from 51.75.254.172 port 50420 ssh2
May  3 14:10:34 home sshd[4791]: Failed password for root from 51.75.254.172 port 60756 ssh2
...
2020-05-04 00:33:51
153.101.29.178 attackbotsspam
May  3 13:04:01 sshgateway sshd\[20536\]: Invalid user liumin from 153.101.29.178
May  3 13:04:01 sshgateway sshd\[20536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.101.29.178
May  3 13:04:03 sshgateway sshd\[20536\]: Failed password for invalid user liumin from 153.101.29.178 port 43112 ssh2
2020-05-04 00:33:11
46.123.254.114 attackspambots
May  3 18:31:13 vpn01 sshd[926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.123.254.114
May  3 18:31:15 vpn01 sshd[926]: Failed password for invalid user user from 46.123.254.114 port 18387 ssh2
...
2020-05-04 00:44:08
121.69.89.78 attackbotsspam
May  3 18:17:01 gw1 sshd[11092]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.69.89.78
May  3 18:17:03 gw1 sshd[11092]: Failed password for invalid user vl from 121.69.89.78 port 35274 ssh2
...
2020-05-04 01:01:20
159.203.198.34 attack
2020-05-03T18:46:23.986716struts4.enskede.local sshd\[23058\]: Invalid user front from 159.203.198.34 port 58822
2020-05-03T18:46:23.993047struts4.enskede.local sshd\[23058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.198.34
2020-05-03T18:46:26.960214struts4.enskede.local sshd\[23058\]: Failed password for invalid user front from 159.203.198.34 port 58822 ssh2
2020-05-03T18:54:08.479496struts4.enskede.local sshd\[23090\]: Invalid user school from 159.203.198.34 port 54208
2020-05-03T18:54:08.488284struts4.enskede.local sshd\[23090\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.198.34
...
2020-05-04 00:58:27
92.242.40.249 attack
firewall-block, port(s): 10003/tcp, 33897/tcp
2020-05-04 00:48:56
94.140.114.17 attack
User-Agent : Pandalytics/1.0 (https://domainsbot.com/pandalytics/)
2020-05-04 00:15:10
94.23.160.185 attackspam
IP blocked
2020-05-04 00:32:13
45.142.183.224 attackbotsspam
Email rejected due to spam filtering
2020-05-04 00:41:18

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