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 <<>> 104.21.52.28
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44461
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.52.28.			IN	A

;; AUTHORITY SECTION:
.			372	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 28.52.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 28.52.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.70.155.60 attackbotsspam
2020-07-08T13:53:28.0859951495-001 sshd[31937]: Invalid user zhaomingzhen from 118.70.155.60 port 53643
2020-07-08T13:53:30.1747291495-001 sshd[31937]: Failed password for invalid user zhaomingzhen from 118.70.155.60 port 53643 ssh2
2020-07-08T13:56:23.6928581495-001 sshd[32028]: Invalid user pyralis from 118.70.155.60 port 38455
2020-07-08T13:56:23.6975961495-001 sshd[32028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.70.155.60
2020-07-08T13:56:23.6928581495-001 sshd[32028]: Invalid user pyralis from 118.70.155.60 port 38455
2020-07-08T13:56:25.7993801495-001 sshd[32028]: Failed password for invalid user pyralis from 118.70.155.60 port 38455 ssh2
...
2020-07-09 02:35:36
103.78.12.160 attackspambots
445/tcp
[2020-07-08]1pkt
2020-07-09 02:39:22
45.64.134.198 attackspam
Unauthorized connection attempt from IP address 45.64.134.198 on Port 445(SMB)
2020-07-09 02:20:06
162.243.144.4 attack
[Sun May 31 01:12:22 2020] - DDoS Attack From IP: 162.243.144.4 Port: 53276
2020-07-09 02:33:28
14.171.4.130 attackbotsspam
Unauthorized connection attempt from IP address 14.171.4.130 on Port 445(SMB)
2020-07-09 02:27:41
60.167.178.67 attackspam
Jul  8 18:45:39 vpn01 sshd[2233]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.167.178.67
Jul  8 18:45:41 vpn01 sshd[2233]: Failed password for invalid user hannah from 60.167.178.67 port 50976 ssh2
...
2020-07-09 02:18:59
167.99.66.193 attack
Jul  8 14:22:44 serwer sshd\[2946\]: Invalid user user from 167.99.66.193 port 48284
Jul  8 14:22:44 serwer sshd\[2946\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.66.193
Jul  8 14:22:46 serwer sshd\[2946\]: Failed password for invalid user user from 167.99.66.193 port 48284 ssh2
...
2020-07-09 02:23:37
195.54.160.202 attack
ET DROP Dshield Block Listed Source group 1 - port: 23924 proto: TCP cat: Misc Attack
2020-07-09 02:55:04
103.150.104.23 attack
Unauthorized connection attempt from IP address 103.150.104.23 on Port 445(SMB)
2020-07-09 02:30:36
197.44.227.86 attackspambots
Unauthorized connection attempt from IP address 197.44.227.86 on Port 445(SMB)
2020-07-09 02:17:56
156.199.141.57 attackbotsspam
60001/tcp
[2020-07-08]1pkt
2020-07-09 02:23:57
193.112.126.64 attackbots
SSH bruteforce
2020-07-09 02:45:07
106.12.83.47 attack
5x Failed Password
2020-07-09 02:34:20
193.35.48.18 attackspambots
Jul  8 19:06:24 mail.srvfarm.net postfix/smtpd[3238522]: warning: unknown[193.35.48.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 19:06:24 mail.srvfarm.net postfix/smtpd[3238522]: lost connection after AUTH from unknown[193.35.48.18]
Jul  8 19:06:29 mail.srvfarm.net postfix/smtpd[3223549]: lost connection after AUTH from unknown[193.35.48.18]
Jul  8 19:06:37 mail.srvfarm.net postfix/smtpd[3238516]: warning: unknown[193.35.48.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 19:06:37 mail.srvfarm.net postfix/smtpd[3238516]: lost connection after AUTH from unknown[193.35.48.18]
2020-07-09 02:35:01
118.71.153.91 attackspambots
445/tcp
[2020-07-08]1pkt
2020-07-09 02:38:49

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