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 <<>> 104.21.16.7
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17316
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.7.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:29:40 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 7.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 7.16.21.104.in-addr.arpa: NXDOMAIN
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Related comments:
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2020-03-20 05:05:46
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2020-03-19T20:33:57.292202shield sshd\[3929\]: Invalid user cftest from 198.23.189.18 port 42647
2020-03-19T20:33:57.301404shield sshd\[3929\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.189.18
2020-03-19T20:33:59.387850shield sshd\[3929\]: Failed password for invalid user cftest from 198.23.189.18 port 42647 ssh2
2020-03-19T20:36:11.793908shield sshd\[4376\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.23.189.18  user=root
2020-03-19T20:36:14.276608shield sshd\[4376\]: Failed password for root from 198.23.189.18 port 55859 ssh2
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2020-03-20 04:47:29
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2020-03-20 04:44:48
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2020-03-20 04:56:57
49.7.14.184 attackspam
Mar 19 21:32:19 cp sshd[28707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.7.14.184
Mar 19 21:32:21 cp sshd[28707]: Failed password for invalid user user from 49.7.14.184 port 45494 ssh2
Mar 19 21:38:12 cp sshd[31964]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.7.14.184
2020-03-20 04:42:41
62.146.44.82 attackspam
Mar 19 20:54:45 odroid64 sshd\[27112\]: User root from 62.146.44.82 not allowed because not listed in AllowUsers
Mar 19 20:54:45 odroid64 sshd\[27112\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.146.44.82  user=root
...
2020-03-20 04:39:16

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