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: United States

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 <<>> 104.21.47.123
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11415
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.47.123.			IN	A

;; AUTHORITY SECTION:
.			550	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 41 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:55:07 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 123.47.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 123.47.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
119.54.80.116 attack
Brute force blocker - service: proftpd1, proftpd2 - aantal: 77 - Wed Jun  6 05:40:16 2018
2020-04-30 18:13:42
203.150.242.25 attackbots
Apr 30 10:15:14 ns392434 sshd[27088]: Invalid user ntc from 203.150.242.25 port 59270
Apr 30 10:15:14 ns392434 sshd[27088]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.150.242.25
Apr 30 10:15:14 ns392434 sshd[27088]: Invalid user ntc from 203.150.242.25 port 59270
Apr 30 10:15:17 ns392434 sshd[27088]: Failed password for invalid user ntc from 203.150.242.25 port 59270 ssh2
Apr 30 11:02:41 ns392434 sshd[28759]: Invalid user hector from 203.150.242.25 port 52718
Apr 30 11:02:41 ns392434 sshd[28759]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.150.242.25
Apr 30 11:02:41 ns392434 sshd[28759]: Invalid user hector from 203.150.242.25 port 52718
Apr 30 11:02:42 ns392434 sshd[28759]: Failed password for invalid user hector from 203.150.242.25 port 52718 ssh2
Apr 30 11:08:16 ns392434 sshd[28982]: Invalid user test from 203.150.242.25 port 34776
2020-04-30 17:58:56
221.8.139.96 attack
Brute force blocker - service: proftpd1 - aantal: 123 - Thu Jun  7 04:40:14 2018
2020-04-30 18:10:59
139.198.189.40 attackbots
Invalid user erpnext from 139.198.189.40 port 55024
2020-04-30 17:47:47
58.216.211.62 attackspambots
Brute force blocker - service: proftpd1 - aantal: 67 - Fri Jun  8 21:20:17 2018
2020-04-30 17:49:43
91.233.42.38 attackspam
Invalid user theo from 91.233.42.38 port 55814
2020-04-30 18:04:52
37.49.226.186 attack
Apr 29 19:14:52 foo sshd[21858]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.186  user=r.r
Apr 29 19:14:54 foo sshd[21858]: Failed password for r.r from 37.49.226.186 port 35532 ssh2
Apr 29 19:14:54 foo sshd[21858]: Received disconnect from 37.49.226.186: 11: Bye Bye [preauth]
Apr 29 19:14:55 foo sshd[21860]: Invalid user admin from 37.49.226.186
Apr 29 19:14:55 foo sshd[21860]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.186 
Apr 29 19:14:57 foo sshd[21860]: Failed password for invalid user admin from 37.49.226.186 port 37582 ssh2
Apr 29 19:14:57 foo sshd[21860]: Received disconnect from 37.49.226.186: 11: Bye Bye [preauth]
Apr 29 19:14:57 foo sshd[21862]: Invalid user admin from 37.49.226.186
Apr 29 19:14:57 foo sshd[21862]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.186 
Apr 29 19:14:59 foo sshd[21862]: Fai........
-------------------------------
2020-04-30 18:12:18
191.96.249.135 attack
lfd: (smtpauth) Failed SMTP AUTH login from 191.96.249.135 (RU/Russia/-): 5 in the last 3600 secs - Tue Jun  5 12:47:37 2018
2020-04-30 18:23:44
183.214.199.130 attackspambots
20/4/30@00:23:30: FAIL: Alarm-Intrusion address from=183.214.199.130
...
2020-04-30 18:19:17
129.146.103.14 attackspambots
$f2bV_matches
2020-04-30 18:20:12
115.207.6.164 attack
lfd: (smtpauth) Failed SMTP AUTH login from 115.207.6.164 (CN/China/-): 5 in the last 3600 secs - Wed Jun  6 12:16:20 2018
2020-04-30 18:14:02
61.75.111.224 attack
Honeypot attack, port: 81, PTR: PTR record not found
2020-04-30 18:00:51
178.248.87.116 attackspam
Invalid user nick from 178.248.87.116 port 50432
2020-04-30 17:59:29
222.188.30.76 attackbotsspam
Brute force blocker - service: proftpd1 - aantal: 155 - Thu Jun  7 04:15:16 2018
2020-04-30 18:06:57
140.250.95.226 attack
lfd: (smtpauth) Failed SMTP AUTH login from 140.250.95.226 (CN/China/-): 5 in the last 3600 secs - Thu Jun  7 12:39:01 2018
2020-04-30 18:07:20

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