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 <<>> 168.54.243.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64090
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;168.54.243.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020601 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 05:19:04 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.243.54.168.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.243.54.168.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.229.226.212 attackspambots
SSH Brute-Force attacks
2020-09-16 04:16:20
191.234.189.215 attackspam
Sep 15 19:18:19 master sshd[23085]: Failed password for root from 191.234.189.215 port 52362 ssh2
Sep 15 19:30:15 master sshd[23169]: Failed password for invalid user bicker from 191.234.189.215 port 42848 ssh2
Sep 15 19:34:16 master sshd[23200]: Failed password for root from 191.234.189.215 port 43236 ssh2
Sep 15 19:38:38 master sshd[23233]: Failed password for root from 191.234.189.215 port 43694 ssh2
Sep 15 19:43:00 master sshd[23261]: Failed password for root from 191.234.189.215 port 44190 ssh2
Sep 15 19:47:21 master sshd[23310]: Failed password for root from 191.234.189.215 port 44704 ssh2
Sep 15 19:51:41 master sshd[23345]: Failed password for root from 191.234.189.215 port 45226 ssh2
Sep 15 19:55:56 master sshd[23382]: Failed password for root from 191.234.189.215 port 45674 ssh2
Sep 15 20:00:24 master sshd[23431]: Failed password for root from 191.234.189.215 port 46178 ssh2
2020-09-16 03:54:08
152.231.140.150 attackspambots
$f2bV_matches
2020-09-16 04:09:56
39.41.65.121 attackspam
Unauthorized connection attempt from IP address 39.41.65.121 on Port 445(SMB)
2020-09-16 04:08:37
91.121.162.198 attack
DATE:2020-09-15 19:02:03,IP:91.121.162.198,MATCHES:10,PORT:ssh
2020-09-16 03:56:12
139.162.75.112 attack
Connection to SSH Honeypot - Detected by HoneypotDB
2020-09-16 03:51:08
81.218.194.197 attackspambots
Automatic report - Port Scan Attack
2020-09-16 03:52:22
37.49.230.141 attack
SSH Brute Force
2020-09-16 04:23:16
173.12.157.141 attackspam
$f2bV_matches
2020-09-16 04:00:06
144.22.108.33 attackspambots
Sep 15 22:05:33 vps647732 sshd[27300]: Failed password for root from 144.22.108.33 port 44436 ssh2
...
2020-09-16 04:21:56
5.200.86.81 attackbotsspam
Unauthorized connection attempt from IP address 5.200.86.81 on Port 445(SMB)
2020-09-16 04:09:07
117.247.83.240 attack
Unauthorized connection attempt from IP address 117.247.83.240 on Port 445(SMB)
2020-09-16 04:06:42
183.56.165.215 attackspam
183.56.165.215 - - [15/Sep/2020:20:01:51 +0300] "GET /por/login_psw.csp HTTP/1.0" 403 1460 "-" "Python/3.7 aiohttp/3.6.2"
183.56.165.215 - - [15/Sep/2020:20:01:51 +0300] "GET /ui/login.php HTTP/1.0" 403 1460 "-" "Python/3.7 aiohttp/3.6.2"
183.56.165.215 - - [15/Sep/2020:20:01:51 +0300] "GET / HTTP/1.0" 403 1460 "-" "Python/3.7 aiohttp/3.6.2"
...
2020-09-16 04:05:08
54.38.183.181 attackbotsspam
2020-09-15T16:57:52.299244shield sshd\[15592\]: Invalid user oracle from 54.38.183.181 port 46176
2020-09-15T16:57:52.308290shield sshd\[15592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.ip-54-38-183.eu
2020-09-15T16:57:54.269467shield sshd\[15592\]: Failed password for invalid user oracle from 54.38.183.181 port 46176 ssh2
2020-09-15T17:01:52.942931shield sshd\[17121\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.ip-54-38-183.eu  user=root
2020-09-15T17:01:55.196832shield sshd\[17121\]: Failed password for root from 54.38.183.181 port 57878 ssh2
2020-09-16 04:06:12
192.145.99.71 attackspam
Sep 15 03:42:48 our-server-hostname sshd[30783]: Address 192.145.99.71 maps to aofy.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Sep 15 03:42:48 our-server-hostname sshd[30783]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.145.99.71  user=r.r
Sep 15 03:42:50 our-server-hostname sshd[30783]: Failed password for r.r from 192.145.99.71 port 60175 ssh2
Sep 15 03:59:06 our-server-hostname sshd[32531]: Address 192.145.99.71 maps to aofy.ru, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Sep 15 03:59:06 our-server-hostname sshd[32531]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.145.99.71  user=r.r
Sep 15 03:59:08 our-server-hostname sshd[32531]: Failed password for r.r from 192.145.99.71 port 40733 ssh2
Sep 15 04:03:54 our-server-hostname sshd[547]: Address 192.145.99.71 maps to aofy.ru, but this does not map back to the address ........
-------------------------------
2020-09-16 03:49:22

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