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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.57.105
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63450
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.105.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:28:39 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 105.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 105.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
139.59.181.7 attackbotsspam
Jul  7 01:04:55 *** sshd[17633]: User root from 139.59.181.7 not allowed because not listed in AllowUsers
2019-07-07 10:05:20
222.169.224.190 attack
Jul  7 03:02:44 mail sshd\[28433\]: Invalid user deployer from 222.169.224.190
Jul  7 03:02:44 mail sshd\[28433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.169.224.190
Jul  7 03:02:46 mail sshd\[28433\]: Failed password for invalid user deployer from 222.169.224.190 port 2050 ssh2
...
2019-07-07 09:19:47
121.153.12.239 attack
Probing for vulnerable services
2019-07-07 09:57:58
173.164.173.36 attack
2019-07-06T21:27:43.411668WS-Zach sshd[544]: Invalid user wuhao from 173.164.173.36 port 51830
2019-07-06T21:27:43.416380WS-Zach sshd[544]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.164.173.36
2019-07-06T21:27:43.411668WS-Zach sshd[544]: Invalid user wuhao from 173.164.173.36 port 51830
2019-07-06T21:27:45.271206WS-Zach sshd[544]: Failed password for invalid user wuhao from 173.164.173.36 port 51830 ssh2
2019-07-06T21:31:13.411863WS-Zach sshd[2550]: Invalid user firefart from 173.164.173.36 port 33392
...
2019-07-07 09:40:26
207.248.62.98 attack
Jul  7 01:33:06 lnxded64 sshd[23945]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.248.62.98
Jul  7 01:33:08 lnxded64 sshd[23945]: Failed password for invalid user apl from 207.248.62.98 port 45348 ssh2
Jul  7 01:36:33 lnxded64 sshd[24767]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.248.62.98
2019-07-07 09:18:24
165.22.195.161 attackspambots
07.07.2019 00:33:12 Connection to port 33897 blocked by firewall
2019-07-07 09:22:28
190.166.126.143 attack
Autoban   190.166.126.143 AUTH/CONNECT
2019-07-07 10:01:44
52.56.108.32 attack
Jul  6 20:06:24 aat-srv002 sshd[19698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.56.108.32
Jul  6 20:06:26 aat-srv002 sshd[19698]: Failed password for invalid user demo from 52.56.108.32 port 54230 ssh2
Jul  6 20:09:48 aat-srv002 sshd[19753]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.56.108.32
Jul  6 20:09:49 aat-srv002 sshd[19753]: Failed password for invalid user dana from 52.56.108.32 port 40932 ssh2
...
2019-07-07 09:22:45
185.220.101.58 attackbotsspam
Unauthorized SSH login attempts
2019-07-07 09:20:09
103.27.238.202 attack
Jul  7 02:42:02 Ubuntu-1404-trusty-64-minimal sshd\[11392\]: Invalid user admin1 from 103.27.238.202
Jul  7 02:42:02 Ubuntu-1404-trusty-64-minimal sshd\[11392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.27.238.202
Jul  7 02:42:05 Ubuntu-1404-trusty-64-minimal sshd\[11392\]: Failed password for invalid user admin1 from 103.27.238.202 port 53888 ssh2
Jul  7 02:46:54 Ubuntu-1404-trusty-64-minimal sshd\[14255\]: Invalid user ftpuser from 103.27.238.202
Jul  7 02:46:54 Ubuntu-1404-trusty-64-minimal sshd\[14255\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.27.238.202
2019-07-07 09:45:32
157.230.23.46 attackspambots
Jul  7 01:32:37 giegler sshd[18239]: Failed password for invalid user rq from 157.230.23.46 port 59680 ssh2
Jul  7 01:34:35 giegler sshd[18271]: Invalid user security from 157.230.23.46 port 56076
Jul  7 01:34:35 giegler sshd[18271]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.23.46
Jul  7 01:34:35 giegler sshd[18271]: Invalid user security from 157.230.23.46 port 56076
Jul  7 01:34:37 giegler sshd[18271]: Failed password for invalid user security from 157.230.23.46 port 56076 ssh2
2019-07-07 10:02:31
23.129.64.163 attack
SSH Brute-Forcing (ownc)
2019-07-07 09:54:41
210.12.129.112 attack
SSH Brute-Force reported by Fail2Ban
2019-07-07 09:20:42
195.3.197.40 attackspam
scan r
2019-07-07 10:01:13
51.77.222.140 attackbots
Jul  7 03:12:20 apollo sshd\[8069\]: Invalid user rp from 51.77.222.140Jul  7 03:12:23 apollo sshd\[8069\]: Failed password for invalid user rp from 51.77.222.140 port 43042 ssh2Jul  7 03:14:28 apollo sshd\[8084\]: Invalid user mustafa from 51.77.222.140
...
2019-07-07 10:02:06

Recently Reported IPs

104.21.56.97 104.21.57.109 104.21.57.11 104.21.57.112
104.21.57.116 104.21.57.118 16.206.25.8 104.21.57.12
104.21.57.123 104.21.57.124 104.21.57.125 104.21.57.127
104.21.57.133 104.21.57.136 104.21.57.137 104.21.57.138
104.21.57.139 104.21.57.14 104.21.57.140 104.21.57.142