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 <<>> 104.21.53.23
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55693
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.23.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:59:18 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 23.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 23.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
125.224.158.56 attackspam
23/tcp
[2019-08-02]1pkt
2019-08-03 08:53:35
180.252.63.131 attackspambots
445/tcp
[2019-08-02]1pkt
2019-08-03 09:04:10
37.59.49.177 attackbots
Aug  2 19:08:34 dallas01 sshd[3752]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.49.177
Aug  2 19:08:35 dallas01 sshd[3752]: Failed password for invalid user carey from 37.59.49.177 port 58192 ssh2
Aug  2 19:13:18 dallas01 sshd[4723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.49.177
2019-08-03 08:51:11
111.231.72.231 attackbotsspam
Aug  2 23:24:56 lnxded64 sshd[10202]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.72.231
2019-08-03 09:27:19
185.220.101.21 attack
Aug  3 02:54:18 ns37 sshd[15726]: Failed password for root from 185.220.101.21 port 45531 ssh2
Aug  3 02:54:18 ns37 sshd[15726]: Failed password for root from 185.220.101.21 port 45531 ssh2
Aug  3 02:54:25 ns37 sshd[15732]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.220.101.21
2019-08-03 09:10:33
139.199.95.55 attackspam
Aug  3 01:47:16 dedicated sshd[20801]: Invalid user sg from 139.199.95.55 port 43256
2019-08-03 09:12:33
14.207.172.81 attack
5555/tcp
[2019-08-02]1pkt
2019-08-03 09:05:56
125.163.67.160 attackspambots
88/tcp
[2019-08-02]1pkt
2019-08-03 09:13:28
220.74.67.198 attackbots
37215/tcp 37215/tcp
[2019-08-02]2pkt
2019-08-03 09:45:14
190.180.161.143 attackspambots
Aug  3 01:53:55 s64-1 sshd[3656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.180.161.143
Aug  3 01:53:58 s64-1 sshd[3656]: Failed password for invalid user 3 from 190.180.161.143 port 41249 ssh2
Aug  3 01:59:24 s64-1 sshd[3813]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.180.161.143
...
2019-08-03 09:34:17
85.202.13.254 attackbots
[portscan] Port scan
2019-08-03 09:05:33
58.181.180.142 attackspambots
Aug  2 19:22:33 unicornsoft sshd\[6623\]: User root from 58.181.180.142 not allowed because not listed in AllowUsers
Aug  2 19:22:33 unicornsoft sshd\[6623\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.181.180.142  user=root
Aug  2 19:22:35 unicornsoft sshd\[6623\]: Failed password for invalid user root from 58.181.180.142 port 59192 ssh2
2019-08-03 09:16:08
73.29.192.106 attackbots
2019-08-02T21:22:40.352251stark.klein-stark.info sshd\[7767\]: Invalid user admin from 73.29.192.106 port 52126
2019-08-02T21:22:40.358305stark.klein-stark.info sshd\[7767\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=c-73-29-192-106.hsd1.nj.comcast.net
2019-08-02T21:22:42.622802stark.klein-stark.info sshd\[7767\]: Failed password for invalid user admin from 73.29.192.106 port 52126 ssh2
...
2019-08-03 09:09:22
36.77.218.71 attackbots
445/tcp
[2019-08-02]1pkt
2019-08-03 09:43:12
193.112.23.81 attackspambots
Aug  2 21:12:09 vps sshd[2621]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.23.81 
Aug  2 21:12:11 vps sshd[2621]: Failed password for invalid user user3 from 193.112.23.81 port 38913 ssh2
Aug  2 21:23:22 vps sshd[2971]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.23.81 
...
2019-08-03 08:50:51

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