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: 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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.21.204.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44120
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.21.204.54.			IN	A

;; AUTHORITY SECTION:
.			431	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021300 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 13 14:13:11 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 54.204.21.121.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 54.204.21.121.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
217.138.194.120 attack
(From julianne.mares@msn.com) Hello

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IF YOU ARE INTERESTED, We offer you 7 days free trial
==>  https://bit.ly/2TZ0VEa

Kind Regards,
Julianne Mares ! Business Development Manager
2020-04-02 15:05:24
115.238.62.154 attack
Invalid user thv from 115.238.62.154 port 37261
2020-04-02 14:36:00
74.199.108.162 attack
Apr  2 08:11:55 ourumov-web sshd\[21415\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=74.199.108.162  user=root
Apr  2 08:11:57 ourumov-web sshd\[21415\]: Failed password for root from 74.199.108.162 port 59508 ssh2
Apr  2 08:15:32 ourumov-web sshd\[21657\]: Invalid user www from 74.199.108.162 port 57938
...
2020-04-02 14:53:46
138.68.81.162 attackbots
Apr  2 05:52:45 DAAP sshd[30898]: Invalid user iw from 138.68.81.162 port 47838
Apr  2 05:52:45 DAAP sshd[30898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.81.162
Apr  2 05:52:45 DAAP sshd[30898]: Invalid user iw from 138.68.81.162 port 47838
Apr  2 05:52:47 DAAP sshd[30898]: Failed password for invalid user iw from 138.68.81.162 port 47838 ssh2
Apr  2 05:58:18 DAAP sshd[30918]: Invalid user www from 138.68.81.162 port 59570
...
2020-04-02 14:38:23
140.143.140.242 attack
SSH bruteforce
2020-04-02 15:12:25
140.143.247.30 attackspambots
Apr  2 04:58:10 pi sshd[4152]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.247.30  user=root
Apr  2 04:58:11 pi sshd[4152]: Failed password for invalid user root from 140.143.247.30 port 55654 ssh2
2020-04-02 14:46:47
116.196.104.100 attackbotsspam
Apr  2 07:57:16 vps647732 sshd[23093]: Failed password for root from 116.196.104.100 port 58428 ssh2
...
2020-04-02 14:50:22
218.92.0.189 attackspambots
04/02/2020-03:00:03.253157 218.92.0.189 Protocol: 6 ET SCAN Potential SSH Scan
2020-04-02 15:02:08
104.245.144.236 attackbots
Automatic report - Banned IP Access
2020-04-02 14:59:53
202.188.101.106 attackbotsspam
SSH bruteforce
2020-04-02 15:06:24
218.92.0.145 attack
$f2bV_matches
2020-04-02 15:04:44
167.114.103.140 attackspambots
Apr  2 06:32:02 mail sshd[28535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.103.140  user=root
Apr  2 06:32:04 mail sshd[28535]: Failed password for root from 167.114.103.140 port 50768 ssh2
Apr  2 06:44:42 mail sshd[15711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.103.140  user=root
Apr  2 06:44:45 mail sshd[15711]: Failed password for root from 167.114.103.140 port 38375 ssh2
Apr  2 06:48:01 mail sshd[20823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.114.103.140  user=root
Apr  2 06:48:03 mail sshd[20823]: Failed password for root from 167.114.103.140 port 56369 ssh2
...
2020-04-02 14:44:51
211.252.87.90 attackspam
Invalid user phk from 211.252.87.90 port 57975
2020-04-02 14:30:45
89.250.82.36 attackbots
RDP brute forcing (r)
2020-04-02 15:08:41
51.159.35.94 attackbotsspam
2020-04-01T23:00:24.781386linuxbox-skyline sshd[28760]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.159.35.94  user=root
2020-04-01T23:00:26.269877linuxbox-skyline sshd[28760]: Failed password for root from 51.159.35.94 port 32882 ssh2
...
2020-04-02 15:15:17

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