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:
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Comments on same subnet:
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Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.89.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36422
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.89.20.			IN	A

;; AUTHORITY SECTION:
.			540	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:21:43 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.89.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.89.21.104.in-addr.arpa: NXDOMAIN
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104.21.89.38
104.21.89.224
104.21.89.10
104.21.89.146
104.21.89.20
104.21.89.2
104.21.89.13
104.21.89.162
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104.21.89.119
104.21.89.8
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104.21.89.241
104.21.89.62
104.21.89.11
104.21.89.136
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104.21.89.203
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Related comments:
IP Type Details Datetime
45.55.214.64 attackbots 
fail2ban
 2020-03-01 20:47:15
185.147.215.13 attackspam 
[2020-03-01 05:52:20] SECURITY[3242] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-01T05:52:20.092-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="924",SessionID="0x7f09f8569b10",LocalAddress="IPV4/UDP/99.31.168.201/5060",RemoteAddress="IPV4/UDP/185.147.215.13/55055",Challenge="466e4a98",ReceivedChallenge="466e4a98",ReceivedHash="4af838922f3f881dbcadfc498d68cbb5"
[2020-03-01 05:52:40] NOTICE[3197] chan_sip.c: Registration from '' failed for '185.147.215.13:50484' - Wrong password
[2020-03-01 05:52:40] SECURITY[3242] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-03-01T05:52:40.836-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="8589",SessionID="0x7f09f85a14f0",LocalAddress="IPV4/UDP/99.31.168.201/5060",RemoteAddress="IPV4/UDP/185.147.215.13/50484",Challenge="45445ece",ReceivedChallenge="45445ece",ReceivedHash="0331cbf8abfd1eaddc7d46b245173d70"
[2020-03-01 05:53:01] NOTICE[3197] chan_sip.
...
 2020-03-01 20:53:02
77.42.76.26 attackspam 
Unauthorized connection attempt detected from IP address 77.42.76.26 to port 23 [J]
 2020-03-01 20:34:26
39.100.246.181 attackbots 
B: /wp-login.php attack
 2020-03-01 21:06:18
152.136.143.248 attackspambots 
Mar  1 12:43:40 marvibiene sshd[4327]: Invalid user app from 152.136.143.248 port 56109
Mar  1 12:43:40 marvibiene sshd[4327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.136.143.248
Mar  1 12:43:40 marvibiene sshd[4327]: Invalid user app from 152.136.143.248 port 56109
Mar  1 12:43:42 marvibiene sshd[4327]: Failed password for invalid user app from 152.136.143.248 port 56109 ssh2
...
 2020-03-01 20:54:25
50.62.208.68 attack 
Automatic report - XMLRPC Attack
 2020-03-01 20:31:03
185.14.194.36 attackbots 
B: Magento admin pass test (wrong country)
 2020-03-01 20:45:35
46.105.31.249 attackspambots 
Mar  1 13:42:21 localhost sshd\[29389\]: Invalid user jayendra from 46.105.31.249 port 59028
Mar  1 13:42:21 localhost sshd\[29389\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.31.249
Mar  1 13:42:24 localhost sshd\[29389\]: Failed password for invalid user jayendra from 46.105.31.249 port 59028 ssh2
 2020-03-01 20:54:42
108.196.191.84 attack 
IDS admin
 2020-03-01 20:40:56
45.125.65.35 attackspambots 
Mar  1 14:01:56 v22019058497090703 postfix/smtpd[9548]: warning: unknown[45.125.65.35]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar  1 14:06:15 v22019058497090703 postfix/smtpd[9990]: warning: unknown[45.125.65.35]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar  1 14:06:47 v22019058497090703 postfix/smtpd[10137]: warning: unknown[45.125.65.35]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
 2020-03-01 21:09:03
134.209.228.241 attackspam 
SSH Brute Force
 2020-03-01 20:46:45
80.82.64.124 attackspambots 
Mar  1 06:41:22 targaryen sshd[29312]: Invalid user pi from 80.82.64.124
Mar  1 06:41:23 targaryen sshd[29314]: Invalid user admin from 80.82.64.124
Mar  1 06:41:23 targaryen sshd[29316]: Invalid user a from 80.82.64.124
Mar  1 06:41:24 targaryen sshd[29318]: Invalid user halt from 80.82.64.124
...
 2020-03-01 20:59:55
86.176.35.38 attackspambots 
Unauthorized connection attempt detected from IP address 86.176.35.38 to port 2323 [J]
 2020-03-01 21:11:17
221.127.1.140 attackbotsspam 
SSH login attempt
 2020-03-01 21:02:23
122.167.87.31 attack 
Unauthorized connection attempt detected from IP address 122.167.87.31 to port 22 [J]
 2020-03-01 21:00:38

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