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 <<>> 164.243.106.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59514
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;164.243.106.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020602 1800 900 604800 86400

;; Query time: 40 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 07:30:48 CST 2025
;; MSG SIZE  rcvd: 107
Host info
b'Host 21.106.243.164.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
server can't find 164.243.106.21.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
154.66.219.20 attack
Sep 23 07:42:43 hanapaa sshd\[1510\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.66.219.20  user=root
Sep 23 07:42:45 hanapaa sshd\[1510\]: Failed password for root from 154.66.219.20 port 48784 ssh2
Sep 23 07:48:05 hanapaa sshd\[2022\]: Invalid user kx from 154.66.219.20
Sep 23 07:48:05 hanapaa sshd\[2022\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.66.219.20
Sep 23 07:48:07 hanapaa sshd\[2022\]: Failed password for invalid user kx from 154.66.219.20 port 33832 ssh2
2019-09-24 02:21:06
118.26.22.50 attackspambots
2019-09-23 15:48:30,370 fail2ban.actions        \[946\]: NOTICE  \[sshd\] Ban 118.26.22.50
2019-09-23 16:23:01,910 fail2ban.actions        \[946\]: NOTICE  \[sshd\] Ban 118.26.22.50
2019-09-23 17:16:41,949 fail2ban.actions        \[946\]: NOTICE  \[sshd\] Ban 118.26.22.50
2019-09-23 18:01:09,442 fail2ban.actions        \[946\]: NOTICE  \[sshd\] Ban 118.26.22.50
2019-09-23 18:35:23,383 fail2ban.actions        \[946\]: NOTICE  \[sshd\] Ban 118.26.22.50
...
2019-09-24 02:11:52
222.186.31.144 attackbots
2019-09-24T01:14:28.886722enmeeting.mahidol.ac.th sshd\[17748\]: User root from 222.186.31.144 not allowed because not listed in AllowUsers
2019-09-24T01:14:29.251432enmeeting.mahidol.ac.th sshd\[17748\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.144  user=root
2019-09-24T01:14:31.583684enmeeting.mahidol.ac.th sshd\[17748\]: Failed password for invalid user root from 222.186.31.144 port 36611 ssh2
...
2019-09-24 02:15:18
141.98.213.186 attackbotsspam
Sep 23 19:37:59 core sshd[9986]: Invalid user tomhandy from 141.98.213.186 port 45756
Sep 23 19:38:01 core sshd[9986]: Failed password for invalid user tomhandy from 141.98.213.186 port 45756 ssh2
...
2019-09-24 01:51:12
42.87.207.39 attackspam
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/42.87.207.39/ 
 CN - 1H : (1449)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : CN 
 NAME ASN : ASN4837 
 
 IP : 42.87.207.39 
 
 CIDR : 42.86.0.0/15 
 
 PREFIX COUNT : 1262 
 
 UNIQUE IP COUNT : 56665856 
 
 
 WYKRYTE ATAKI Z ASN4837 :  
  1H - 47 
  3H - 197 
  6H - 399 
 12H - 553 
 24H - 556 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-09-24 02:16:14
222.186.175.182 attackbots
Triggered by Fail2Ban at Ares web server
2019-09-24 01:51:47
176.56.236.21 attackspambots
Sep 23 14:36:16 mail sshd\[26064\]: Invalid user hw from 176.56.236.21
Sep 23 14:36:16 mail sshd\[26064\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.56.236.21
Sep 23 14:36:18 mail sshd\[26064\]: Failed password for invalid user hw from 176.56.236.21 port 51740 ssh2
...
2019-09-24 01:50:42
178.32.129.16 attack
RDPBruteCAu24
2019-09-24 02:25:17
193.188.22.188 attackbots
2019-09-23T21:20:53.284669tmaserv sshd\[18053\]: Invalid user admin from 193.188.22.188 port 36203
2019-09-23T21:20:53.328220tmaserv sshd\[18053\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.188.22.188
2019-09-23T21:20:55.708834tmaserv sshd\[18053\]: Failed password for invalid user admin from 193.188.22.188 port 36203 ssh2
2019-09-23T21:20:56.134557tmaserv sshd\[18055\]: Invalid user test from 193.188.22.188 port 40999
2019-09-23T21:20:56.180109tmaserv sshd\[18055\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.188.22.188
2019-09-23T21:20:58.305887tmaserv sshd\[18055\]: Failed password for invalid user test from 193.188.22.188 port 40999 ssh2
...
2019-09-24 02:23:14
192.227.136.67 attack
Sep 23 06:05:44 lcprod sshd\[21619\]: Invalid user 1234 from 192.227.136.67
Sep 23 06:05:44 lcprod sshd\[21619\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.227.136.67
Sep 23 06:05:46 lcprod sshd\[21619\]: Failed password for invalid user 1234 from 192.227.136.67 port 44374 ssh2
Sep 23 06:10:41 lcprod sshd\[22128\]: Invalid user ssh2 from 192.227.136.67
Sep 23 06:10:41 lcprod sshd\[22128\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.227.136.67
2019-09-24 02:04:09
182.61.58.115 attackspambots
Sep 23 19:16:03 minden010 sshd[24267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.58.115
Sep 23 19:16:05 minden010 sshd[24267]: Failed password for invalid user pascoal from 182.61.58.115 port 33590 ssh2
Sep 23 19:22:20 minden010 sshd[26402]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.58.115
...
2019-09-24 01:52:56
219.159.229.115 attackspambots
Sep 23 14:35:34 xeon cyrus/imap[2819]: badlogin: [219.159.229.115] plain [SASL(-13): authentication failure: Password verification failed]
2019-09-24 02:09:26
199.254.238.216 attack
Sep 23 19:52:37 andromeda sshd\[28357\]: Invalid user sya from 199.254.238.216 port 58926
Sep 23 19:52:37 andromeda sshd\[28357\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.254.238.216
Sep 23 19:52:39 andromeda sshd\[28357\]: Failed password for invalid user sya from 199.254.238.216 port 58926 ssh2
2019-09-24 02:17:53
27.145.33.90 attackspam
Automatic report - Port Scan Attack
2019-09-24 01:51:29
180.66.207.67 attackbots
fraudulent SSH attempt
2019-09-24 02:09:41

Recently Reported IPs

15.169.180.218 66.17.203.133 205.2.165.233 196.176.185.14
188.152.17.96 97.66.251.62 127.104.21.169 90.255.23.139
174.120.137.201 115.246.106.105 46.220.158.26 167.56.113.16
59.243.211.51 24.29.3.228 206.226.79.32 89.24.217.48
26.187.92.68 209.212.91.205 229.163.222.83 47.177.24.21