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 <<>> 104.21.21.252
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18720
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.252.			IN	A

;; AUTHORITY SECTION:
.			483	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 08:28:25 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 252.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 252.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
88.255.251.92 attackbotsspam
Unauthorized connection attempt from IP address 88.255.251.92 on Port 445(SMB)
2019-09-07 05:18:43
141.98.9.205 attackbots
Sep  6 23:29:39 webserver postfix/smtpd\[2898\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 23:30:31 webserver postfix/smtpd\[3953\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 23:31:23 webserver postfix/smtpd\[2898\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 23:32:17 webserver postfix/smtpd\[2898\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  6 23:33:10 webserver postfix/smtpd\[3953\]: warning: unknown\[141.98.9.205\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-09-07 05:34:51
54.39.150.116 attack
Sep  6 19:40:06 SilenceServices sshd[21659]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.150.116
Sep  6 19:40:07 SilenceServices sshd[21659]: Failed password for invalid user postgres from 54.39.150.116 port 51054 ssh2
Sep  6 19:44:01 SilenceServices sshd[23077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.150.116
2019-09-07 06:00:39
99.108.141.4 attackspambots
Sep  6 21:15:15 MK-Soft-VM3 sshd\[29042\]: Invalid user test from 99.108.141.4 port 59526
Sep  6 21:15:15 MK-Soft-VM3 sshd\[29042\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=99.108.141.4
Sep  6 21:15:17 MK-Soft-VM3 sshd\[29042\]: Failed password for invalid user test from 99.108.141.4 port 59526 ssh2
...
2019-09-07 05:25:53
132.232.94.10 attackspam
Sep  6 17:11:07 ny01 sshd[10085]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.94.10
Sep  6 17:11:09 ny01 sshd[10085]: Failed password for invalid user student123 from 132.232.94.10 port 56244 ssh2
Sep  6 17:15:49 ny01 sshd[10901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.94.10
2019-09-07 05:22:09
46.159.87.201 attack
Unauthorized connection attempt from IP address 46.159.87.201 on Port 445(SMB)
2019-09-07 05:26:28
51.254.58.226 attackspam
Rude login attack (79 tries in 1d)
2019-09-07 06:01:08
117.6.125.61 attackspambots
Unauthorized connection attempt from IP address 117.6.125.61 on Port 445(SMB)
2019-09-07 05:43:34
186.18.234.206 attackspam
Sep  6 23:20:37 eventyay sshd[13613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.18.234.206
Sep  6 23:20:39 eventyay sshd[13613]: Failed password for invalid user nagios@123 from 186.18.234.206 port 51272 ssh2
Sep  6 23:26:02 eventyay sshd[13666]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.18.234.206
...
2019-09-07 05:31:45
81.214.55.30 attackbotsspam
Unauthorized connection attempt from IP address 81.214.55.30 on Port 445(SMB)
2019-09-07 05:44:14
104.248.29.180 attack
Sep  6 22:51:44 vps647732 sshd[24393]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.29.180
Sep  6 22:51:46 vps647732 sshd[24393]: Failed password for invalid user nextcloud from 104.248.29.180 port 44704 ssh2
...
2019-09-07 05:38:51
95.40.51.80 attack
Unauthorized connection attempt from IP address 95.40.51.80 on Port 445(SMB)
2019-09-07 05:46:37
202.158.17.253 attack
Unauthorized connection attempt from IP address 202.158.17.253 on Port 445(SMB)
2019-09-07 05:44:49
177.38.97.242 attackbots
Unauthorized connection attempt from IP address 177.38.97.242 on Port 445(SMB)
2019-09-07 05:30:59
167.71.221.236 attackbots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-09-07 05:18:07

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