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: None

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 <<>> 21.138.166.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40201
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.138.166.53.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021900 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 20 00:45:01 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 53.166.138.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.166.138.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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2020-07-09 17:46:51
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prod11
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2020-07-09 17:42:58
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2020-07-09 17:36:38
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2020-07-09 18:06:18
176.40.48.206 attackspam
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2020-07-09 17:48:49
198.211.116.79 attackspambots
2020-07-09T09:50:24.451113shield sshd\[21854\]: Invalid user nlopez from 198.211.116.79 port 43684
2020-07-09T09:50:24.454852shield sshd\[21854\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.116.79
2020-07-09T09:50:26.750176shield sshd\[21854\]: Failed password for invalid user nlopez from 198.211.116.79 port 43684 ssh2
2020-07-09T09:53:54.199946shield sshd\[22406\]: Invalid user fengyasen from 198.211.116.79 port 47926
2020-07-09T09:53:54.203366shield sshd\[22406\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.116.79
2020-07-09 18:01:12
203.195.132.128 attackbots
SSH Brute-Force reported by Fail2Ban
2020-07-09 18:02:32
211.212.37.204 attack
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2020-07-09 17:46:22
95.86.208.4 attackspambots
Honeypot attack, port: 445, PTR: 95-86-208-4.static.yaroslavl.ru.
2020-07-09 17:33:14
92.245.173.78 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-07-09 17:40:00
89.42.252.124 attack
Jul  9 07:14:49 onepixel sshd[1089167]: Invalid user kurama from 89.42.252.124 port 54430
Jul  9 07:14:49 onepixel sshd[1089167]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.42.252.124 
Jul  9 07:14:49 onepixel sshd[1089167]: Invalid user kurama from 89.42.252.124 port 54430
Jul  9 07:14:51 onepixel sshd[1089167]: Failed password for invalid user kurama from 89.42.252.124 port 54430 ssh2
Jul  9 07:18:12 onepixel sshd[1091097]: Invalid user april from 89.42.252.124 port 51250
2020-07-09 17:30:58
145.239.95.241 attackspam
Jul  9 sshd[6911]: Invalid user suman from 145.239.95.241 port 45934
2020-07-09 17:26:41

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