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 <<>> 104.21.66.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46923
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.121.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 01:57:58 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.89.149.190 attackbots
Sep 30 07:53:17 new sshd[26526]: Failed password for invalid user arul from 51.89.149.190 port 34036 ssh2
Sep 30 07:53:17 new sshd[26526]: Received disconnect from 51.89.149.190: 11: Bye Bye [preauth]
Sep 30 08:15:10 new sshd[32593]: Failed password for invalid user User from 51.89.149.190 port 60920 ssh2
Sep 30 08:15:10 new sshd[32593]: Received disconnect from 51.89.149.190: 11: Bye Bye [preauth]
Sep 30 08:18:51 new sshd[894]: Failed password for invalid user jules from 51.89.149.190 port 45932 ssh2
Sep 30 08:18:51 new sshd[894]: Received disconnect from 51.89.149.190: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=51.89.149.190
2019-09-30 15:08:41
188.131.145.52 attackbotsspam
Sep 29 20:18:02 web1 sshd\[16967\]: Invalid user trendimsa1.0 from 188.131.145.52
Sep 29 20:18:02 web1 sshd\[16967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.145.52
Sep 29 20:18:04 web1 sshd\[16967\]: Failed password for invalid user trendimsa1.0 from 188.131.145.52 port 59160 ssh2
Sep 29 20:21:52 web1 sshd\[17249\]: Invalid user user from 188.131.145.52
Sep 29 20:21:52 web1 sshd\[17249\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.145.52
2019-09-30 14:30:21
1.58.85.53 attackspam
5500/tcp
[2019-09-30]1pkt
2019-09-30 14:42:53
113.160.145.133 attackspambots
445/tcp 445/tcp
[2019-09-30]2pkt
2019-09-30 14:57:40
84.45.251.243 attackspambots
(sshd) Failed SSH login from 84.45.251.243 (GB/United Kingdom/Barnet/Hendon/84-45-251-243.static.enta.net/[AS8468 Entanet]): 1 in the last 3600 secs
2019-09-30 14:55:30
5.196.75.178 attack
Sep 30 06:05:55 game-panel sshd[23364]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.178
Sep 30 06:05:58 game-panel sshd[23364]: Failed password for invalid user informix from 5.196.75.178 port 37500 ssh2
Sep 30 06:13:30 game-panel sshd[23689]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.178
2019-09-30 14:36:10
182.253.196.66 attack
Sep 29 20:16:52 php1 sshd\[2661\]: Invalid user tss from 182.253.196.66
Sep 29 20:16:52 php1 sshd\[2661\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.196.66
Sep 29 20:16:54 php1 sshd\[2661\]: Failed password for invalid user tss from 182.253.196.66 port 37106 ssh2
Sep 29 20:21:08 php1 sshd\[3070\]: Invalid user www from 182.253.196.66
Sep 29 20:21:08 php1 sshd\[3070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.253.196.66
2019-09-30 14:28:05
118.91.181.28 attackspambots
Automatic report - Port Scan Attack
2019-09-30 14:54:53
178.20.41.83 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-09-30 14:37:41
117.139.202.64 attackbots
Sep 30 08:52:54 localhost sshd\[26900\]: Invalid user bruce from 117.139.202.64 port 44135
Sep 30 08:52:54 localhost sshd\[26900\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.139.202.64
Sep 30 08:52:56 localhost sshd\[26900\]: Failed password for invalid user bruce from 117.139.202.64 port 44135 ssh2
2019-09-30 14:55:11
115.159.235.17 attackbotsspam
2019-09-30T02:26:53.0190371495-001 sshd\[21109\]: Failed password for invalid user guest from 115.159.235.17 port 42698 ssh2
2019-09-30T02:38:52.5219121495-001 sshd\[21933\]: Invalid user tibero6 from 115.159.235.17 port 54616
2019-09-30T02:38:52.5302311495-001 sshd\[21933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.235.17
2019-09-30T02:38:54.9386981495-001 sshd\[21933\]: Failed password for invalid user tibero6 from 115.159.235.17 port 54616 ssh2
2019-09-30T02:42:58.0819621495-001 sshd\[22174\]: Invalid user gv from 115.159.235.17 port 58598
2019-09-30T02:42:58.0889731495-001 sshd\[22174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.235.17
...
2019-09-30 14:53:16
200.40.45.82 attack
Sep 29 20:27:51 friendsofhawaii sshd\[10224\]: Invalid user swpro from 200.40.45.82
Sep 29 20:27:51 friendsofhawaii sshd\[10224\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=r200-40-45-82.ae-static.anteldata.net.uy
Sep 29 20:27:53 friendsofhawaii sshd\[10224\]: Failed password for invalid user swpro from 200.40.45.82 port 44008 ssh2
Sep 29 20:32:33 friendsofhawaii sshd\[10594\]: Invalid user pantaleao from 200.40.45.82
Sep 29 20:32:33 friendsofhawaii sshd\[10594\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=r200-40-45-82.ae-static.anteldata.net.uy
2019-09-30 14:51:36
115.159.86.75 attackbotsspam
Sep 30 04:12:49 www_kotimaassa_fi sshd[21220]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.86.75
Sep 30 04:12:51 www_kotimaassa_fi sshd[21220]: Failed password for invalid user zou from 115.159.86.75 port 42118 ssh2
...
2019-09-30 14:48:28
45.234.109.34 attack
Honeypot attack, port: 23, PTR: din-45-234-109-34.connectnetbrasil.com.br.
2019-09-30 14:28:33
183.129.157.218 attack
Sep 30 09:01:52 vps01 sshd[7464]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.129.157.218
Sep 30 09:01:54 vps01 sshd[7464]: Failed password for invalid user user from 183.129.157.218 port 53005 ssh2
2019-09-30 15:02:02

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