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 <<>> 104.21.45.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17405
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.45.121.			IN	A

;; AUTHORITY SECTION:
.			545	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:33:32 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.45.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.45.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
36.39.68.34 attackbots
Apr 27 13:52:02 relay postfix/smtpd\[26763\]: warning: unknown\[36.39.68.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 27 13:52:10 relay postfix/smtpd\[22341\]: warning: unknown\[36.39.68.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 27 13:52:11 relay postfix/smtpd\[27494\]: warning: unknown\[36.39.68.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 27 13:52:18 relay postfix/smtpd\[20233\]: warning: unknown\[36.39.68.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 27 13:52:19 relay postfix/smtpd\[19963\]: warning: unknown\[36.39.68.34\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-04-28 01:24:15
180.76.232.66 attackspam
Apr 27 13:52:18 [host] sshd[20091]: Invalid user e
Apr 27 13:52:18 [host] sshd[20091]: pam_unix(sshd:
Apr 27 13:52:20 [host] sshd[20091]: Failed passwor
2020-04-28 01:23:10
80.67.249.137 attackbots
Automatic report - Port Scan Attack
2020-04-28 01:36:34
106.13.93.252 attackbotsspam
Apr 27 11:04:48 firewall sshd[27323]: Invalid user qswang from 106.13.93.252
Apr 27 11:04:50 firewall sshd[27323]: Failed password for invalid user qswang from 106.13.93.252 port 54531 ssh2
Apr 27 11:09:41 firewall sshd[27418]: Invalid user opal from 106.13.93.252
...
2020-04-28 01:25:50
188.35.187.50 attackbots
2020-04-27T13:37:41.533408randservbullet-proofcloud-66.localdomain sshd[21896]: Invalid user buffalo from 188.35.187.50 port 60240
2020-04-27T13:37:41.538425randservbullet-proofcloud-66.localdomain sshd[21896]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.35.187.50
2020-04-27T13:37:41.533408randservbullet-proofcloud-66.localdomain sshd[21896]: Invalid user buffalo from 188.35.187.50 port 60240
2020-04-27T13:37:44.248538randservbullet-proofcloud-66.localdomain sshd[21896]: Failed password for invalid user buffalo from 188.35.187.50 port 60240 ssh2
...
2020-04-28 01:45:44
193.252.189.177 attackbots
Apr 27 15:23:58 srv01 sshd[7960]: Invalid user test04 from 193.252.189.177 port 50306
Apr 27 15:23:58 srv01 sshd[7960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.252.189.177
Apr 27 15:23:58 srv01 sshd[7960]: Invalid user test04 from 193.252.189.177 port 50306
Apr 27 15:24:01 srv01 sshd[7960]: Failed password for invalid user test04 from 193.252.189.177 port 50306 ssh2
Apr 27 15:28:08 srv01 sshd[8107]: Invalid user god from 193.252.189.177 port 33904
...
2020-04-28 01:54:27
103.56.206.231 attack
Apr 27 15:54:32 mout sshd[23913]: Invalid user git from 103.56.206.231 port 33154
2020-04-28 02:03:13
66.249.65.77 attackspambots
Automated report (2020-04-27T13:51:24+02:00). Caught masquerading as Googlebot.
2020-04-28 01:38:19
222.186.173.215 attackspam
DATE:2020-04-27 19:48:42, IP:222.186.173.215, PORT:ssh SSH brute force auth on honeypot server (epe-honey1-hq)
2020-04-28 01:49:03
223.16.140.87 attack
port scan and connect, tcp 23 (telnet)
2020-04-28 02:04:02
158.69.38.243 attackspambots
xmlrpc attempts
2020-04-28 01:45:05
50.127.71.5 attackspambots
Apr 27 18:19:17 sxvn sshd[459402]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.127.71.5
2020-04-28 01:32:11
159.89.131.172 attackbots
2020-04-26 11:31:57 server sshd[83706]: Failed password for invalid user yc from 159.89.131.172 port 51294 ssh2
2020-04-28 01:25:32
191.37.148.30 attackspambots
Unauthorized connection attempt detected from IP address 191.37.148.30 to port 23
2020-04-28 01:43:17
222.82.253.106 attackbotsspam
$f2bV_matches
2020-04-28 02:00:10

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