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: Shanghai

Region: Shanghai

Country: China

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 <<>> 47.123.54.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3695
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;47.123.54.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021202 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 13 10:49:56 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.54.123.47.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.54.123.47.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.210.6.53 attackspam
Oct  3 19:17:49 eventyay sshd[21670]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.6.53
Oct  3 19:17:51 eventyay sshd[21670]: Failed password for invalid user zandrawi from 58.210.6.53 port 42291 ssh2
Oct  3 19:22:34 eventyay sshd[21762]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.6.53
...
2019-10-04 01:23:11
89.176.9.98 attack
Oct  3 18:29:58 MK-Soft-Root1 sshd[19589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.176.9.98 
Oct  3 18:30:00 MK-Soft-Root1 sshd[19589]: Failed password for invalid user super from 89.176.9.98 port 39174 ssh2
...
2019-10-04 01:25:22
45.136.109.194 attackspam
10/03/2019-13:26:41.538540 45.136.109.194 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-10-04 01:35:06
104.196.8.25 attack
ICMP MP Probe, Scan -
2019-10-04 01:24:29
202.213.5.10 attackbots
10/03/2019-12:06:52.124960 202.213.5.10 Protocol: 6 ET SCAN Potential SSH Scan
2019-10-04 01:20:44
13.93.71.38 attackbotsspam
Automated reporting of SSH Vulnerability scanning
2019-10-04 01:53:34
136.32.90.234 attack
Automated reporting of SSH Vulnerability scanning
2019-10-04 01:25:48
104.196.5.101 attackbots
ICMP MP Probe, Scan -
2019-10-04 01:26:17
178.128.217.58 attackbots
Oct  3 19:33:13 srv206 sshd[1983]: Invalid user kq from 178.128.217.58
...
2019-10-04 01:39:48
186.147.35.76 attack
Oct  3 19:52:03 MK-Soft-Root1 sshd[2833]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.147.35.76 
Oct  3 19:52:05 MK-Soft-Root1 sshd[2833]: Failed password for invalid user monitor from 186.147.35.76 port 39131 ssh2
...
2019-10-04 01:57:42
188.173.80.134 attackbots
Oct  3 19:31:14 vps691689 sshd[32502]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.173.80.134
Oct  3 19:31:15 vps691689 sshd[32502]: Failed password for invalid user sinus from 188.173.80.134 port 58999 ssh2
Oct  3 19:35:35 vps691689 sshd[32561]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.173.80.134
...
2019-10-04 01:36:00
107.170.227.141 attackspambots
'Fail2Ban'
2019-10-04 01:42:52
182.92.168.140 attack
WordPress wp-login brute force :: 182.92.168.140 0.132 BYPASS [04/Oct/2019:02:38:26  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-10-04 01:51:43
185.153.196.235 attackbots
Honeypot hit, critical abuseConfidenceScore, incoming Traffic from this IP
2019-10-04 01:30:22
140.143.72.21 attackspam
Oct  3 16:03:28 andromeda sshd\[17657\]: Invalid user tom from 140.143.72.21 port 57678
Oct  3 16:03:28 andromeda sshd\[17657\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.72.21
Oct  3 16:03:30 andromeda sshd\[17657\]: Failed password for invalid user tom from 140.143.72.21 port 57678 ssh2
2019-10-04 01:49:31

Recently Reported IPs

128.252.194.239 185.0.223.220 4.19.131.135 127.111.239.143
71.97.186.218 87.122.10.75 42.14.8.242 144.193.190.204
21.123.152.133 66.56.192.235 78.169.236.4 235.157.32.23
2.187.158.220 3.82.80.64 174.1.233.220 81.73.85.238
123.207.118.237 220.36.25.195 201.221.70.159 117.234.241.39