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: Japan

Internet Service Provider: NTT docomo

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 <<>> 153.153.50.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9189
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;153.153.50.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025032102 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 22 12:33:45 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.50.153.153.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.50.153.153.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
82.64.249.236 attack
2020-08-01T12:14:56.445477shield sshd\[3552\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=82-64-249-236.subs.proxad.net  user=root
2020-08-01T12:14:57.883477shield sshd\[3552\]: Failed password for root from 82.64.249.236 port 37144 ssh2
2020-08-01T12:18:39.641647shield sshd\[4059\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=82-64-249-236.subs.proxad.net  user=root
2020-08-01T12:18:41.361882shield sshd\[4059\]: Failed password for root from 82.64.249.236 port 48422 ssh2
2020-08-01T12:22:31.056307shield sshd\[4510\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=82-64-249-236.subs.proxad.net  user=root
2020-08-01 20:37:10
42.116.227.79 attackbots
Email rejected due to spam filtering
2020-08-01 20:31:39
149.12.217.235 attackspam
Telnet/23 MH Probe, Scan, BF, Hack -
2020-08-01 20:37:42
115.87.151.226 attack
Aug  1 14:22:17 ns37 sshd[2595]: Failed password for root from 115.87.151.226 port 47894 ssh2
Aug  1 14:22:17 ns37 sshd[2595]: Failed password for root from 115.87.151.226 port 47894 ssh2
2020-08-01 20:54:52
222.186.42.137 attackbotsspam
Aug  1 14:57:17 piServer sshd[2247]: Failed password for root from 222.186.42.137 port 42093 ssh2
Aug  1 14:57:46 piServer sshd[2280]: Failed password for root from 222.186.42.137 port 43242 ssh2
Aug  1 14:57:50 piServer sshd[2280]: Failed password for root from 222.186.42.137 port 43242 ssh2
...
2020-08-01 21:06:51
165.227.225.195 attackspambots
Aug  1 14:34:53 vmd36147 sshd[30757]: Failed password for root from 165.227.225.195 port 38566 ssh2
Aug  1 14:39:09 vmd36147 sshd[8558]: Failed password for root from 165.227.225.195 port 49176 ssh2
...
2020-08-01 20:48:17
202.85.3.138 attackspam
Telnet/23 MH Probe, Scan, BF, Hack -
2020-08-01 20:56:39
218.25.89.99 attackspambots
Aug  1 12:46:58 vestacp sshd[925]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.25.89.99  user=r.r
Aug  1 12:47:00 vestacp sshd[925]: Failed password for r.r from 218.25.89.99 port 32185 ssh2
Aug  1 12:47:00 vestacp sshd[925]: Received disconnect from 218.25.89.99 port 32185:11: Bye Bye [preauth]
Aug  1 12:47:00 vestacp sshd[925]: Disconnected from authenticating user r.r 218.25.89.99 port 32185 [preauth]
Aug  1 12:49:39 vestacp sshd[1049]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.25.89.99  user=r.r
Aug  1 12:49:41 vestacp sshd[1049]: Failed password for r.r from 218.25.89.99 port 24504 ssh2
Aug  1 12:49:42 vestacp sshd[1049]: Received disconnect from 218.25.89.99 port 24504:11: Bye Bye [preauth]
Aug  1 12:49:42 vestacp sshd[1049]: Disconnected from authenticating user r.r 218.25.89.99 port 24504 [preauth]
Aug  1 12:50:36 vestacp sshd[1162]: pam_unix(sshd:auth): authenticat........
-------------------------------
2020-08-01 21:00:33
116.212.152.97 attackspam
Tried our host z.
2020-08-01 20:30:32
202.65.155.50 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-08-01 20:53:07
179.39.88.242 attackbotsspam
Email rejected due to spam filtering
2020-08-01 20:41:58
94.102.51.17 attackspambots
Aug  1 14:22:29 debian-2gb-nbg1-2 kernel: \[18543030.172569\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.51.17 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=63520 PROTO=TCP SPT=46377 DPT=7804 WINDOW=1024 RES=0x00 SYN URGP=0
2020-08-01 20:39:18
199.188.200.178 attack
wordpress/wp-admin/
2020-08-01 20:51:55
51.77.200.139 attack
Aug  1 14:38:07 buvik sshd[4195]: Failed password for root from 51.77.200.139 port 37198 ssh2
Aug  1 14:42:08 buvik sshd[4871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.200.139  user=root
Aug  1 14:42:10 buvik sshd[4871]: Failed password for root from 51.77.200.139 port 48714 ssh2
...
2020-08-01 21:01:37
122.51.21.208 attackspam
Aug  1 15:16:42 lukav-desktop sshd\[23679\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.21.208  user=root
Aug  1 15:16:44 lukav-desktop sshd\[23679\]: Failed password for root from 122.51.21.208 port 55552 ssh2
Aug  1 15:19:33 lukav-desktop sshd\[23724\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.21.208  user=root
Aug  1 15:19:35 lukav-desktop sshd\[23724\]: Failed password for root from 122.51.21.208 port 51426 ssh2
Aug  1 15:22:35 lukav-desktop sshd\[23795\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.21.208  user=root
2020-08-01 20:32:01

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