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 <<>> 104.21.81.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38487
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.121.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:01 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.66.209.232 attackspambots
Invalid user zhangdy from 89.66.209.232 port 34744
2020-02-19 08:18:07
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SSH brute force
2020-02-19 08:49:57
185.143.223.170 attack
Brute force attack stopped by firewall
2020-02-19 08:29:31
183.129.141.44 attackspambots
Feb 19 01:35:27 markkoudstaal sshd[4000]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.129.141.44
Feb 19 01:35:30 markkoudstaal sshd[4000]: Failed password for invalid user bruno from 183.129.141.44 port 46422 ssh2
Feb 19 01:38:10 markkoudstaal sshd[4463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.129.141.44
2020-02-19 08:40:02
66.249.76.121 attackbotsspam
MYH,DEF GET /adminer-4.6.2.php
2020-02-19 08:18:32
222.186.175.182 attackbotsspam
Feb 19 01:15:30 MK-Soft-Root2 sshd[24961]: Failed password for root from 222.186.175.182 port 26196 ssh2
Feb 19 01:15:35 MK-Soft-Root2 sshd[24961]: Failed password for root from 222.186.175.182 port 26196 ssh2
...
2020-02-19 08:16:00
181.115.187.75 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-19 08:32:07
192.99.56.117 attack
Invalid user ubuntu from 192.99.56.117 port 51620
2020-02-19 08:43:05
46.229.168.144 attackbotsspam
Malicious Traffic/Form Submission
2020-02-19 08:16:27
134.175.68.129 attackspambots
Feb 18 14:01:40 hpm sshd\[998\]: Invalid user MYUSER from 134.175.68.129
Feb 18 14:01:40 hpm sshd\[998\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.68.129
Feb 18 14:01:42 hpm sshd\[998\]: Failed password for invalid user MYUSER from 134.175.68.129 port 54428 ssh2
Feb 18 14:05:11 hpm sshd\[1332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.68.129  user=bin
Feb 18 14:05:13 hpm sshd\[1332\]: Failed password for bin from 134.175.68.129 port 55112 ssh2
2020-02-19 08:30:52
104.238.116.19 attackbotsspam
Invalid user test from 104.238.116.19 port 55468
2020-02-19 08:50:22
61.42.20.128 attack
Invalid user default from 61.42.20.128 port 21048
2020-02-19 08:34:33
104.194.8.7 attackspambots
104.194.8.7 was recorded 6 times by 6 hosts attempting to connect to the following ports: 5070. Incident counter (4h, 24h, all-time): 6, 6, 6
2020-02-19 08:25:25
190.217.201.113 attackspam
Unauthorized connection attempt from IP address 190.217.201.113 on Port 445(SMB)
2020-02-19 08:15:20
218.244.158.69 attack
Time:     Tue Feb 18 18:47:50 2020 -0300
IP:       218.244.158.69 (CN/China/-)
Failures: 10 (ftpd)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-02-19 08:39:35

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