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: South Korea

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 <<>> 163.239.54.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58581
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;163.239.54.21.			IN	A

;; AUTHORITY SECTION:
.			273	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022010502 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 06 09:42:38 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 21.54.239.163.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.54.239.163.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
120.131.8.12 attack
Lines containing failures of 120.131.8.12
Jun  8 04:25:48 nxxxxxxx sshd[15333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.131.8.12  user=r.r
Jun  8 04:25:51 nxxxxxxx sshd[15333]: Failed password for r.r from 120.131.8.12 port 20304 ssh2
Jun  8 04:25:51 nxxxxxxx sshd[15333]: Received disconnect from 120.131.8.12 port 20304:11: Bye Bye [preauth]
Jun  8 04:25:51 nxxxxxxx sshd[15333]: Disconnected from authenticating user r.r 120.131.8.12 port 20304 [preauth]
Jun  8 04:33:27 nxxxxxxx sshd[16163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.131.8.12  user=r.r
Jun  8 04:33:29 nxxxxxxx sshd[16163]: Failed password for r.r from 120.131.8.12 port 14890 ssh2
Jun  8 04:33:29 nxxxxxxx sshd[16163]: Received disconnect from 120.131.8.12 port 14890:11: Bye Bye [preauth]
Jun  8 04:33:29 nxxxxxxx sshd[16163]: Disconnected from authenticating user r.r 120.131.8.12 port 14890 [preauth]
Jun  8 ........
------------------------------
2020-06-08 21:00:21
51.91.157.101 attackbots
Jun  8 09:10:19 firewall sshd[5097]: Failed password for root from 51.91.157.101 port 33376 ssh2
Jun  8 09:13:30 firewall sshd[5201]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.157.101  user=root
Jun  8 09:13:32 firewall sshd[5201]: Failed password for root from 51.91.157.101 port 55858 ssh2
...
2020-06-08 21:07:12
195.54.160.225 attackbotsspam
Jun  8 15:39:54 debian kernel: [522551.699731] [UFW BLOCK] IN=eth0 OUT= MAC=52:54:00:be:e4:65:08:e8:4f:6e:48:0c:08:00 SRC=195.54.160.225 DST=89.252.131.35 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=62187 PROTO=TCP SPT=45123 DPT=2824 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-08 21:35:37
104.248.130.10 attack
Jun  8 13:49:26 ns382633 sshd\[5810\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.130.10  user=root
Jun  8 13:49:28 ns382633 sshd\[5810\]: Failed password for root from 104.248.130.10 port 37762 ssh2
Jun  8 14:05:15 ns382633 sshd\[9536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.130.10  user=root
Jun  8 14:05:17 ns382633 sshd\[9536\]: Failed password for root from 104.248.130.10 port 35678 ssh2
Jun  8 14:08:27 ns382633 sshd\[9871\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.130.10  user=root
2020-06-08 21:41:18
62.234.178.25 attackbotsspam
Jun  8 14:08:30 vmd48417 sshd[16639]: Failed password for root from 62.234.178.25 port 47946 ssh2
2020-06-08 21:40:47
140.249.191.91 attack
Jun  8 02:18:56 pl3server sshd[918]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.249.191.91  user=r.r
Jun  8 02:18:58 pl3server sshd[918]: Failed password for r.r from 140.249.191.91 port 49955 ssh2
Jun  8 02:18:58 pl3server sshd[918]: Received disconnect from 140.249.191.91 port 49955:11: Bye Bye [preauth]
Jun  8 02:18:58 pl3server sshd[918]: Disconnected from 140.249.191.91 port 49955 [preauth]
Jun  8 02:32:24 pl3server sshd[14853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.249.191.91  user=r.r
Jun  8 02:32:26 pl3server sshd[14853]: Failed password for r.r from 140.249.191.91 port 59258 ssh2
Jun  8 02:32:26 pl3server sshd[14853]: Received disconnect from 140.249.191.91 port 59258:11: Bye Bye [preauth]
Jun  8 02:32:26 pl3server sshd[14853]: Disconnected from 140.249.191.91 port 59258 [preauth]
Jun  8 02:35:31 pl3server sshd[16036]: pam_unix(sshd:auth): authentication failu........
-------------------------------
2020-06-08 21:13:50
152.136.58.127 attackbots
2020-06-08T15:13:03.229648snf-827550 sshd[14839]: Failed password for root from 152.136.58.127 port 36668 ssh2
2020-06-08T15:17:06.369392snf-827550 sshd[14866]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.58.127  user=root
2020-06-08T15:17:08.355591snf-827550 sshd[14866]: Failed password for root from 152.136.58.127 port 40018 ssh2
...
2020-06-08 21:12:09
181.52.249.177 attackbotsspam
Jun  8 05:08:33 propaganda sshd[9498]: Connection from 181.52.249.177 port 56105 on 10.0.0.160 port 22 rdomain ""
Jun  8 05:08:34 propaganda sshd[9498]: Connection closed by 181.52.249.177 port 56105 [preauth]
2020-06-08 21:37:26
222.186.15.62 attack
Jun  8 15:42:39 vps sshd[541059]: Failed password for root from 222.186.15.62 port 31453 ssh2
Jun  8 15:42:41 vps sshd[541059]: Failed password for root from 222.186.15.62 port 31453 ssh2
Jun  8 15:42:45 vps sshd[541523]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
Jun  8 15:42:48 vps sshd[541523]: Failed password for root from 222.186.15.62 port 44500 ssh2
Jun  8 15:42:50 vps sshd[541523]: Failed password for root from 222.186.15.62 port 44500 ssh2
...
2020-06-08 21:46:08
118.25.74.199 attackspam
Jun  8 13:58:48 inter-technics sshd[14461]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.74.199  user=root
Jun  8 13:58:51 inter-technics sshd[14461]: Failed password for root from 118.25.74.199 port 53394 ssh2
Jun  8 14:03:30 inter-technics sshd[14709]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.74.199  user=root
Jun  8 14:03:32 inter-technics sshd[14709]: Failed password for root from 118.25.74.199 port 47902 ssh2
Jun  8 14:08:16 inter-technics sshd[15074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.74.199  user=root
Jun  8 14:08:18 inter-technics sshd[15074]: Failed password for root from 118.25.74.199 port 42416 ssh2
...
2020-06-08 21:45:22
222.186.31.166 attackspam
Jun  8 14:54:26 legacy sshd[4240]: Failed password for root from 222.186.31.166 port 27572 ssh2
Jun  8 14:54:36 legacy sshd[4243]: Failed password for root from 222.186.31.166 port 11250 ssh2
...
2020-06-08 21:05:46
88.99.84.129 attack
2020-06-08T13:08:24.801517shield sshd\[32394\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static.129.84.99.88.clients.your-server.de  user=root
2020-06-08T13:08:27.350632shield sshd\[32394\]: Failed password for root from 88.99.84.129 port 38540 ssh2
2020-06-08T13:12:41.904527shield sshd\[1999\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static.129.84.99.88.clients.your-server.de  user=root
2020-06-08T13:12:44.068128shield sshd\[1999\]: Failed password for root from 88.99.84.129 port 54406 ssh2
2020-06-08T13:16:44.656565shield sshd\[4218\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static.129.84.99.88.clients.your-server.de  user=root
2020-06-08 21:28:03
212.47.241.15 attack
Jun  8 14:05:27 buvik sshd[11666]: Failed password for root from 212.47.241.15 port 53216 ssh2
Jun  8 14:08:52 buvik sshd[12005]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.47.241.15  user=root
Jun  8 14:08:53 buvik sshd[12005]: Failed password for root from 212.47.241.15 port 57126 ssh2
...
2020-06-08 21:23:49
218.92.0.212 attack
Jun  8 15:08:48 ns381471 sshd[17680]: Failed password for root from 218.92.0.212 port 33454 ssh2
Jun  8 15:08:51 ns381471 sshd[17680]: Failed password for root from 218.92.0.212 port 33454 ssh2
2020-06-08 21:09:43
52.151.55.184 attackspambots
52.151.55.184 - - \[08/Jun/2020:15:24:06 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
52.151.55.184 - - \[08/Jun/2020:15:24:07 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
52.151.55.184 - - \[08/Jun/2020:15:24:07 +0200\] "POST //xmlrpc.php HTTP/1.0" 200 825 "-" "Mozilla/5.0 \(Windows NT 10.0\; Win64\; x64\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/79.0 Safari/537.36"
2020-06-08 21:33:24

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