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 <<>> 104.21.66.90
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41388
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.66.90.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:05:41 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 90.66.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 90.66.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.89.115.74 attack
Brute force attempt
2020-06-28 16:02:56
14.173.162.156 attackspam
Jun 28 05:51:53 debian-2gb-nbg1-2 kernel: \[15574962.638841\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=14.173.162.156 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=47 ID=22503 PROTO=TCP SPT=56851 DPT=81 WINDOW=12515 RES=0x00 SYN URGP=0
2020-06-28 16:22:40
14.241.236.54 attack
Jun 27 21:52:20 Host-KLAX-C dovecot: imap-login: Disconnected (auth failed, 1 attempts in 17 secs): user=, method=PLAIN, rip=14.241.236.54, lip=185.198.26.142, TLS, session=
...
2020-06-28 16:07:15
159.203.35.141 attackspam
Invalid user xzq from 159.203.35.141 port 34032
2020-06-28 16:21:04
173.201.196.176 attackspam
Automatic report - XMLRPC Attack
2020-06-28 16:33:18
153.122.170.19 attackbotsspam
C2,WP GET /en/wp-includes/wlwmanifest.xml
2020-06-28 15:58:35
152.136.108.226 attackspambots
Invalid user admin from 152.136.108.226 port 46808
2020-06-28 16:03:11
51.15.159.9 attackbots
Invalid user bai from 51.15.159.9 port 42400
2020-06-28 16:23:06
159.65.189.115 attackbotsspam
Jun 28 09:09:21 journals sshd\[75152\]: Invalid user conectar from 159.65.189.115
Jun 28 09:09:21 journals sshd\[75152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.189.115
Jun 28 09:09:24 journals sshd\[75152\]: Failed password for invalid user conectar from 159.65.189.115 port 58712 ssh2
Jun 28 09:13:18 journals sshd\[75466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.189.115  user=root
Jun 28 09:13:20 journals sshd\[75466\]: Failed password for root from 159.65.189.115 port 57756 ssh2
...
2020-06-28 15:53:09
128.72.31.28 attackbotsspam
2020-06-28T02:04:58.755859na-vps210223 sshd[5527]: Invalid user ftpuser from 128.72.31.28 port 58202
2020-06-28T02:04:58.758637na-vps210223 sshd[5527]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128-72-31-28.broadband.corbina.ru
2020-06-28T02:04:58.755859na-vps210223 sshd[5527]: Invalid user ftpuser from 128.72.31.28 port 58202
2020-06-28T02:05:00.472028na-vps210223 sshd[5527]: Failed password for invalid user ftpuser from 128.72.31.28 port 58202 ssh2
2020-06-28T02:08:17.451651na-vps210223 sshd[14635]: Invalid user deploy from 128.72.31.28 port 56242
...
2020-06-28 16:26:17
124.207.221.66 attackspambots
Jun 28 09:23:26 Ubuntu-1404-trusty-64-minimal sshd\[11567\]: Invalid user manage from 124.207.221.66
Jun 28 09:23:26 Ubuntu-1404-trusty-64-minimal sshd\[11567\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.207.221.66
Jun 28 09:23:28 Ubuntu-1404-trusty-64-minimal sshd\[11567\]: Failed password for invalid user manage from 124.207.221.66 port 53140 ssh2
Jun 28 09:28:15 Ubuntu-1404-trusty-64-minimal sshd\[14058\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.207.221.66  user=root
Jun 28 09:28:17 Ubuntu-1404-trusty-64-minimal sshd\[14058\]: Failed password for root from 124.207.221.66 port 46058 ssh2
2020-06-28 15:53:35
64.225.70.13 attackspam
firewall-block, port(s): 8600/tcp
2020-06-28 16:32:52
72.221.232.144 attack
Dovecot Invalid User Login Attempt.
2020-06-28 16:00:05
87.190.16.229 attackbotsspam
$f2bV_matches
2020-06-28 16:10:35
119.96.172.223 attack
unauthorized connection attempt
2020-06-28 16:28:40

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