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 <<>> 104.21.51.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54692
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.71.			IN	A

;; AUTHORITY SECTION:
.			125	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:31 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 71.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 71.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
59.145.201.234 attack
Unauthorised access (Nov  5) SRC=59.145.201.234 LEN=52 TTL=53 ID=20634 DF TCP DPT=445 WINDOW=8192 SYN
2019-11-05 16:12:49
106.12.105.193 attackspambots
Nov  5 06:29:09 thevastnessof sshd[25819]: Failed password for root from 106.12.105.193 port 45186 ssh2
...
2019-11-05 15:46:17
111.230.249.77 attackbots
Nov  5 08:13:01 markkoudstaal sshd[15231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.249.77
Nov  5 08:13:03 markkoudstaal sshd[15231]: Failed password for invalid user ascend from 111.230.249.77 port 44020 ssh2
Nov  5 08:18:47 markkoudstaal sshd[15694]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.249.77
2019-11-05 15:54:46
84.242.116.94 attack
Nov  5 06:29:03 thevastnessof sshd[25809]: Failed password for root from 84.242.116.94 port 60740 ssh2
...
2019-11-05 15:49:25
141.98.80.102 attackspam
Nov  5 08:40:10 andromeda postfix/smtpd\[34166\]: warning: unknown\[141.98.80.102\]: SASL PLAIN authentication failed: authentication failure
Nov  5 08:40:10 andromeda postfix/smtpd\[34556\]: warning: unknown\[141.98.80.102\]: SASL PLAIN authentication failed: authentication failure
Nov  5 08:40:11 andromeda postfix/smtpd\[34557\]: warning: unknown\[141.98.80.102\]: SASL PLAIN authentication failed: authentication failure
Nov  5 08:40:15 andromeda postfix/smtpd\[33690\]: warning: unknown\[141.98.80.102\]: SASL PLAIN authentication failed: authentication failure
Nov  5 08:40:16 andromeda postfix/smtpd\[43548\]: warning: unknown\[141.98.80.102\]: SASL PLAIN authentication failed: authentication failure
2019-11-05 15:48:19
106.12.16.234 attackbotsspam
2019-11-05T07:01:59.376463abusebot-6.cloudsearch.cf sshd\[21114\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.16.234  user=root
2019-11-05 15:33:22
163.172.251.80 attack
2019-11-04T23:29:27.850806-07:00 suse-nuc sshd[20619]: Invalid user kraft from 163.172.251.80 port 33340
...
2019-11-05 15:35:50
185.244.234.196 attack
Excessive Port-Scanning
2019-11-05 15:45:00
222.186.173.201 attackbots
2019-11-05T07:50:35.232772shield sshd\[9974\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.201  user=root
2019-11-05T07:50:37.449624shield sshd\[9974\]: Failed password for root from 222.186.173.201 port 1432 ssh2
2019-11-05T07:50:43.361644shield sshd\[9974\]: Failed password for root from 222.186.173.201 port 1432 ssh2
2019-11-05T07:50:47.885867shield sshd\[9974\]: Failed password for root from 222.186.173.201 port 1432 ssh2
2019-11-05T07:50:52.930856shield sshd\[9974\]: Failed password for root from 222.186.173.201 port 1432 ssh2
2019-11-05 16:07:29
112.121.7.115 attackbotsspam
Nov  5 07:02:00 ms-srv sshd[39057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.121.7.115  user=root
Nov  5 07:02:02 ms-srv sshd[39057]: Failed password for invalid user root from 112.121.7.115 port 37810 ssh2
2019-11-05 15:59:57
2.59.153.97 attackspam
Nov  4 17:05:39 HOST sshd[25251]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.59.153.97  user=r.r
Nov  4 17:05:41 HOST sshd[25251]: Failed password for r.r from 2.59.153.97 port 60746 ssh2
Nov  4 17:05:41 HOST sshd[25251]: Received disconnect from 2.59.153.97: 11: Bye Bye [preauth]
Nov  4 17:29:21 HOST sshd[25725]: Failed password for invalid user team from 2.59.153.97 port 52564 ssh2
Nov  4 17:29:21 HOST sshd[25725]: Received disconnect from 2.59.153.97: 11: Bye Bye [preauth]
Nov  4 17:33:15 HOST sshd[25807]: Failed password for invalid user sv from 2.59.153.97 port 50208 ssh2
Nov  4 17:33:15 HOST sshd[25807]: Received disconnect from 2.59.153.97: 11: Bye Bye [preauth]
Nov  4 17:36:59 HOST sshd[25895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.59.153.97  user=r.r
Nov  4 17:37:02 HOST sshd[25895]: Failed password for r.r from 2.59.153.97 port 47842 ssh2
Nov  4 17:37:02 HOST ssh........
-------------------------------
2019-11-05 15:39:07
51.77.245.46 attackbots
Nov  5 14:34:04 webhost01 sshd[1133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.245.46
Nov  5 14:34:06 webhost01 sshd[1133]: Failed password for invalid user larry from 51.77.245.46 port 44016 ssh2
...
2019-11-05 16:00:34
118.24.208.67 attackbotsspam
Nov  5 07:05:53 mail sshd[15831]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.208.67  user=root
Nov  5 07:05:55 mail sshd[15831]: Failed password for root from 118.24.208.67 port 47864 ssh2
Nov  5 07:23:45 mail sshd[10595]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.208.67  user=root
Nov  5 07:23:47 mail sshd[10595]: Failed password for root from 118.24.208.67 port 58344 ssh2
Nov  5 07:29:17 mail sshd[19368]: Invalid user pzserver from 118.24.208.67
...
2019-11-05 15:41:21
216.244.66.227 attackbotsspam
login attempts
2019-11-05 15:42:37
182.73.245.70 attack
2019-11-05T06:28:25.124644abusebot-4.cloudsearch.cf sshd\[26905\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.73.245.70  user=root
2019-11-05 16:13:41

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