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 <<>> 104.21.8.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22683
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.19.			IN	A

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

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:59:49 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 19.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 19.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
144.217.136.227 attackbots
$f2bV_matches
2019-12-29 13:28:44
202.105.107.124 attack
Automatic report - XMLRPC Attack
2019-12-29 13:47:07
14.171.171.180 attackspambots
19/12/28@23:55:14: FAIL: Alarm-Network address from=14.171.171.180
19/12/28@23:55:14: FAIL: Alarm-Network address from=14.171.171.180
...
2019-12-29 13:42:15
119.28.152.128 attack
firewall-block, port(s): 6346/tcp
2019-12-29 13:12:33
117.50.63.227 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-29 13:54:12
200.78.202.165 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-29 13:14:14
45.80.65.1 attackspambots
"SSH brute force auth login attempt."
2019-12-29 13:54:37
157.245.177.8 attack
RDP Brute-Force (Grieskirchen RZ1)
2019-12-29 13:23:46
103.66.16.18 attackspambots
Repeated failed SSH attempt
2019-12-29 13:23:29
111.205.208.142 attack
Lines containing failures of 111.205.208.142 (max 1000)
Dec 29 10:46:17 Server sshd[24677]: User bin from 111.205.208.142 not allowed because not listed in AllowUsers
Dec 29 10:46:17 Server sshd[24677]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.205.208.142  user=bin
Dec 29 10:46:19 Server sshd[24677]: Failed password for invalid user bin from 111.205.208.142 port 35593 ssh2
Dec 29 10:46:19 Server sshd[24677]: Received disconnect from 111.205.208.142 port 35593:11: Bye Bye [preauth]
Dec 29 10:46:19 Server sshd[24677]: Disconnected from invalid user bin 111.205.208.142 port 35593 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=111.205.208.142
2019-12-29 13:16:20
73.15.91.251 attackspambots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-12-29 13:19:46
139.59.23.68 attackbotsspam
Dec 29 05:16:43 zeus sshd[27364]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.23.68 
Dec 29 05:16:45 zeus sshd[27364]: Failed password for invalid user root123456 from 139.59.23.68 port 34746 ssh2
Dec 29 05:19:55 zeus sshd[27497]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.23.68 
Dec 29 05:19:58 zeus sshd[27497]: Failed password for invalid user 6tfc5rdx from 139.59.23.68 port 34804 ssh2
2019-12-29 13:29:11
112.121.7.115 attackspam
Dec 29 05:48:02 icinga sshd[17810]: Failed password for root from 112.121.7.115 port 60788 ssh2
...
2019-12-29 13:52:05
222.186.175.148 attack
Dec 28 19:23:32 tdfoods sshd\[30055\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
Dec 28 19:23:33 tdfoods sshd\[30055\]: Failed password for root from 222.186.175.148 port 32682 ssh2
Dec 28 19:23:50 tdfoods sshd\[30081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
Dec 28 19:23:52 tdfoods sshd\[30081\]: Failed password for root from 222.186.175.148 port 50714 ssh2
Dec 28 19:24:11 tdfoods sshd\[30123\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.148  user=root
2019-12-29 13:28:22
27.29.11.21 attackbots
Dec 29 05:55:48 debian-2gb-nbg1-2 kernel: \[1248062.390739\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=27.29.11.21 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=50 ID=27952 PROTO=TCP SPT=48663 DPT=23 WINDOW=25334 RES=0x00 SYN URGP=0
2019-12-29 13:19:15

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