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 <<>> 104.21.51.148
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53566
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.148.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:07 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 148.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 148.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
202.131.69.18 attack
Multiple SSH login attempts.
2020-09-03 23:59:09
179.222.123.239 attackbots
Unauthorized connection attempt from IP address 179.222.123.239 on Port 445(SMB)
2020-09-04 00:36:08
160.153.147.155 attackspambots
160.153.147.155 - - [03/Sep/2020:09:16:47 +0200] "POST /xmlrpc.php HTTP/1.1" 403 1026 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
160.153.147.155 - - [03/Sep/2020:09:16:47 +0200] "POST /xmlrpc.php HTTP/1.1" 403 1026 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
...
2020-09-04 00:07:05
188.234.247.110 attackbots
SSH invalid-user multiple login attempts
2020-09-04 00:24:56
183.83.165.34 attackspam
Unauthorized connection attempt from IP address 183.83.165.34 on Port 445(SMB)
2020-09-03 23:52:08
103.43.185.142 attackspam
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.43.185.142 
Failed password for invalid user magno from 103.43.185.142 port 60250 ssh2
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.43.185.142
2020-09-03 23:51:45
157.230.230.152 attackbotsspam
Invalid user admin from 157.230.230.152 port 53620
2020-09-04 00:39:08
46.21.198.186 attackbotsspam
03.09.2020 15:54:36 - Wordpress fail 
Detected by ELinOX-ALM
2020-09-04 00:15:06
5.145.229.129 attack
Attempted connection to port 445.
2020-09-04 00:05:45
123.13.203.67 attackspambots
Sep  3 17:30:52 OPSO sshd\[25134\]: Invalid user kuku from 123.13.203.67 port 59226
Sep  3 17:30:52 OPSO sshd\[25134\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.13.203.67
Sep  3 17:30:53 OPSO sshd\[25134\]: Failed password for invalid user kuku from 123.13.203.67 port 59226 ssh2
Sep  3 17:35:18 OPSO sshd\[25791\]: Invalid user kathryn from 123.13.203.67 port 25896
Sep  3 17:35:18 OPSO sshd\[25791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.13.203.67
2020-09-04 00:03:59
222.186.173.183 attack
Sep  3 15:51:45 marvibiene sshd[4555]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.183  user=root
Sep  3 15:51:46 marvibiene sshd[4555]: Failed password for root from 222.186.173.183 port 30924 ssh2
Sep  3 15:51:50 marvibiene sshd[4555]: Failed password for root from 222.186.173.183 port 30924 ssh2
Sep  3 15:51:45 marvibiene sshd[4555]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.183  user=root
Sep  3 15:51:46 marvibiene sshd[4555]: Failed password for root from 222.186.173.183 port 30924 ssh2
Sep  3 15:51:50 marvibiene sshd[4555]: Failed password for root from 222.186.173.183 port 30924 ssh2
2020-09-03 23:53:48
167.71.162.16 attack
Invalid user lxj from 167.71.162.16 port 53226
2020-09-04 00:37:20
71.6.167.142 attack
 TCP (SYN) 71.6.167.142:20041 -> port 22, len 44
2020-09-04 00:39:49
201.243.30.240 attackbots
1599072976 - 09/02/2020 20:56:16 Host: 201.243.30.240/201.243.30.240 Port: 445 TCP Blocked
2020-09-03 23:58:23
115.159.153.180 attack
Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-09-04 00:34:43

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