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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.253.21.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25505
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.253.21.103.			IN	A

;; AUTHORITY SECTION:
.			435	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022052100 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat May 21 18:59:09 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 103.21.253.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.21.253.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.254.37.192 attackbotsspam
Auto Fail2Ban report, multiple SSH login attempts.
2020-05-13 23:43:54
61.133.232.249 attack
(sshd) Failed SSH login from 61.133.232.249 (CN/China/-): 5 in the last 3600 secs
2020-05-13 23:42:02
78.36.13.133 attackspambots
1589373433 - 05/13/2020 14:37:13 Host: 78.36.13.133/78.36.13.133 Port: 445 TCP Blocked
2020-05-13 23:12:43
170.80.28.203 attackspambots
May 13 08:41:54 server1 sshd\[18186\]: Invalid user dab from 170.80.28.203
May 13 08:41:54 server1 sshd\[18186\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.80.28.203 
May 13 08:41:56 server1 sshd\[18186\]: Failed password for invalid user dab from 170.80.28.203 port 29919 ssh2
May 13 08:46:12 server1 sshd\[19612\]: Invalid user milton from 170.80.28.203
May 13 08:46:12 server1 sshd\[19612\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.80.28.203 
...
2020-05-13 23:33:59
218.92.0.158 attack
May 13 17:34:09 home sshd[17762]: Failed password for root from 218.92.0.158 port 3909 ssh2
May 13 17:34:12 home sshd[17762]: Failed password for root from 218.92.0.158 port 3909 ssh2
May 13 17:34:16 home sshd[17762]: Failed password for root from 218.92.0.158 port 3909 ssh2
May 13 17:34:19 home sshd[17762]: Failed password for root from 218.92.0.158 port 3909 ssh2
...
2020-05-13 23:38:37
200.88.52.122 attackbots
May 13 14:34:19 ns382633 sshd\[13027\]: Invalid user test from 200.88.52.122 port 33732
May 13 14:34:19 ns382633 sshd\[13027\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.88.52.122
May 13 14:34:21 ns382633 sshd\[13027\]: Failed password for invalid user test from 200.88.52.122 port 33732 ssh2
May 13 14:37:02 ns382633 sshd\[13781\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.88.52.122  user=root
May 13 14:37:04 ns382633 sshd\[13781\]: Failed password for root from 200.88.52.122 port 34392 ssh2
2020-05-13 23:20:19
74.6.133.235 attackbotsspam
A stupid seems to be a hacker
2020-05-13 23:26:56
194.61.55.164 attackbots
...
2020-05-13 23:08:03
222.186.15.62 attackbots
May 13 17:33:02 OPSO sshd\[6101\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
May 13 17:33:03 OPSO sshd\[6101\]: Failed password for root from 222.186.15.62 port 54878 ssh2
May 13 17:33:06 OPSO sshd\[6101\]: Failed password for root from 222.186.15.62 port 54878 ssh2
May 13 17:33:08 OPSO sshd\[6101\]: Failed password for root from 222.186.15.62 port 54878 ssh2
May 13 17:33:10 OPSO sshd\[6117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.15.62  user=root
2020-05-13 23:35:29
109.105.245.129 attackbots
SSH auth scanning - multiple failed logins
2020-05-13 23:16:40
188.166.251.87 attackspam
May 13 14:45:47 vserver sshd\[20293\]: Invalid user zxcloudsetup from 188.166.251.87May 13 14:45:49 vserver sshd\[20293\]: Failed password for invalid user zxcloudsetup from 188.166.251.87 port 55344 ssh2May 13 14:49:52 vserver sshd\[20331\]: Invalid user nagyg from 188.166.251.87May 13 14:49:54 vserver sshd\[20331\]: Failed password for invalid user nagyg from 188.166.251.87 port 58361 ssh2
...
2020-05-13 23:45:36
27.34.251.60 attackbots
May 13 16:20:41 mail sshd\[16611\]: Invalid user secret from 27.34.251.60
May 13 16:20:41 mail sshd\[16611\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.34.251.60
May 13 16:20:43 mail sshd\[16611\]: Failed password for invalid user secret from 27.34.251.60 port 47720 ssh2
...
2020-05-13 23:27:23
188.166.144.207 attackspambots
May 13 17:07:10 meumeu sshd[11270]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.144.207 
May 13 17:07:12 meumeu sshd[11270]: Failed password for invalid user angelique from 188.166.144.207 port 48010 ssh2
May 13 17:11:03 meumeu sshd[11909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.144.207 
...
2020-05-13 23:20:57
222.186.30.35 attack
2020-05-13T17:19:16.685395sd-86998 sshd[41315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root
2020-05-13T17:19:18.573475sd-86998 sshd[41315]: Failed password for root from 222.186.30.35 port 38746 ssh2
2020-05-13T17:19:21.313461sd-86998 sshd[41315]: Failed password for root from 222.186.30.35 port 38746 ssh2
2020-05-13T17:19:16.685395sd-86998 sshd[41315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root
2020-05-13T17:19:18.573475sd-86998 sshd[41315]: Failed password for root from 222.186.30.35 port 38746 ssh2
2020-05-13T17:19:21.313461sd-86998 sshd[41315]: Failed password for root from 222.186.30.35 port 38746 ssh2
2020-05-13T17:19:16.685395sd-86998 sshd[41315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root
2020-05-13T17:19:18.573475sd-86998 sshd[41315]: Failed password for root from 222.186
...
2020-05-13 23:32:08
162.243.141.55 attackbots
W 3398,/var/log/mail.info,-,-
2020-05-13 23:49:52

Recently Reported IPs

104.253.208.155 104.253.228.138 104.253.25.239 104.253.252.77
104.253.55.66 104.253.6.126 104.254.129.130 104.254.129.146
104.254.181.41 104.254.244.105 104.254.244.200 104.254.246.154
104.254.82.100 104.255.175.81 104.255.208.11 104.27.107.98
104.27.15.192 104.27.19.27 104.27.47.44 104.27.59.244