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 <<>> 104.21.81.90
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24013
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.90.			IN	A

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

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:53:32 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 90.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 90.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
80.82.77.212 attackbots
80.82.77.212 was recorded 7 times by 6 hosts attempting to connect to the following ports: 49154,17. Incident counter (4h, 24h, all-time): 7, 62, 2329
2020-01-03 22:54:13
171.217.59.134 attackbotsspam
Repeated failed SSH attempt
2020-01-03 23:10:17
85.184.243.29 attackbotsspam
Jan  3 14:42:49 linuxrulz sshd[7727]: Invalid user admin from 85.184.243.29 port 14438
Jan  3 14:42:49 linuxrulz sshd[7727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.184.243.29
Jan  3 14:42:51 linuxrulz sshd[7727]: Failed password for invalid user admin from 85.184.243.29 port 14438 ssh2
Jan  3 14:42:51 linuxrulz sshd[7727]: Connection closed by 85.184.243.29 port 14438 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=85.184.243.29
2020-01-03 23:14:18
111.204.157.197 attack
Jan  3 15:59:50 legacy sshd[25398]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.204.157.197
Jan  3 15:59:52 legacy sshd[25398]: Failed password for invalid user store from 111.204.157.197 port 58293 ssh2
Jan  3 16:04:04 legacy sshd[25699]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.204.157.197
...
2020-01-03 23:15:31
145.236.37.27 attack
Unauthorized connection attempt detected from IP address 145.236.37.27 to port 8080
2020-01-03 23:23:12
77.42.245.94 attackbots
Mail/25/465/587-993/995 Probe, Reject, BadAuth, Hack, SPAM -
2020-01-03 23:23:37
196.216.206.2 attackspambots
frenzy
2020-01-03 23:06:09
157.55.39.208 attackspambots
Automatic report - Banned IP Access
2020-01-03 22:53:26
27.49.64.14 attackspambots
20/1/3@08:05:47: FAIL: Alarm-Intrusion address from=27.49.64.14
...
2020-01-03 23:15:01
140.143.236.227 attack
Jan  3 15:46:22 legacy sshd[24454]: Failed password for root from 140.143.236.227 port 36070 ssh2
Jan  3 15:52:05 legacy sshd[24850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.236.227
Jan  3 15:52:07 legacy sshd[24850]: Failed password for invalid user lil from 140.143.236.227 port 36316 ssh2
...
2020-01-03 23:22:02
49.35.7.77 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 03-01-2020 13:05:21.
2020-01-03 23:31:21
112.85.42.172 attackbotsspam
Jan  3 15:43:09 ns3042688 sshd\[8245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.172  user=root
Jan  3 15:43:10 ns3042688 sshd\[8245\]: Failed password for root from 112.85.42.172 port 24074 ssh2
Jan  3 15:43:20 ns3042688 sshd\[8245\]: Failed password for root from 112.85.42.172 port 24074 ssh2
Jan  3 15:43:24 ns3042688 sshd\[8245\]: Failed password for root from 112.85.42.172 port 24074 ssh2
Jan  3 15:43:29 ns3042688 sshd\[8393\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.172  user=root
...
2020-01-03 23:12:48
106.52.121.64 attackspam
Jan  3 03:04:14 web9 sshd\[19939\]: Invalid user loveture from 106.52.121.64
Jan  3 03:04:14 web9 sshd\[19939\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.121.64
Jan  3 03:04:16 web9 sshd\[19939\]: Failed password for invalid user loveture from 106.52.121.64 port 53642 ssh2
Jan  3 03:05:24 web9 sshd\[20141\]: Invalid user wildfly from 106.52.121.64
Jan  3 03:05:24 web9 sshd\[20141\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.121.64
2020-01-03 23:29:42
222.186.31.83 attackspambots
Jan  3 16:00:07 mail sshd[9204]: Failed password for root from 222.186.31.83 port 31005 ssh2
Jan  3 16:00:10 mail sshd[9204]: Failed password for root from 222.186.31.83 port 31005 ssh2
...
2020-01-03 23:07:28
140.143.230.161 attackbotsspam
Jan  2 17:16:23 server sshd\[32309\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.161  user=root
Jan  2 17:16:25 server sshd\[32309\]: Failed password for root from 140.143.230.161 port 32466 ssh2
Jan  3 16:05:44 server sshd\[24350\]: Invalid user alex from 140.143.230.161
Jan  3 16:05:44 server sshd\[24350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.230.161 
Jan  3 16:05:46 server sshd\[24350\]: Failed password for invalid user alex from 140.143.230.161 port 51256 ssh2
...
2020-01-03 23:15:15

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