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 <<>> 104.21.8.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22224
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.100.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:59:23 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 100.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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...
2019-12-30 09:16:16
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3389BruteforceFW23
2019-12-30 09:14:08
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2019-12-30 09:03:52
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2019-12-30 09:05:34
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2019-12-30 09:06:06
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SSH authentication failure x 6 reported by Fail2Ban
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2019-12-30 08:55:32
109.133.110.117 attackspambots
Dec 30 03:00:44 microserver sshd[50204]: Invalid user admin from 109.133.110.117 port 48393
Dec 30 03:00:44 microserver sshd[50204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.133.110.117
Dec 30 03:00:46 microserver sshd[50204]: Failed password for invalid user admin from 109.133.110.117 port 48393 ssh2
Dec 30 03:01:47 microserver sshd[50280]: Invalid user ubuntu from 109.133.110.117 port 48520
Dec 30 03:01:47 microserver sshd[50280]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.133.110.117
2019-12-30 08:58:38
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Dec 29 01:57:28 XXX sshd[8706]: Invalid user demo from 123.31.47.20 port 60945
2019-12-30 09:01:07
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Unauthorized connection attempt detected from IP address 124.235.118.14 to port 8080
2019-12-30 09:06:26
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Unauthorized connection attempt detected from IP address 218.40.142.238 to port 81
2019-12-30 09:22:51

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