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 <<>> 104.21.19.105
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17928
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.105.			IN	A

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

;; Query time: 276 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:14:03 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 105.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 105.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
208.115.196.6 attackspambots
CloudCIX Reconnaissance Scan Detected, PTR: 6-196-115-208.static.reverse.lstn.net.
2019-09-05 19:50:34
139.211.114.169 attack
Unauthorised access (Sep  5) SRC=139.211.114.169 LEN=40 TTL=49 ID=24924 TCP DPT=8080 WINDOW=60967 SYN
2019-09-05 20:02:30
134.209.87.150 attackbots
Sep  5 11:55:47 localhost sshd\[57021\]: Invalid user demo from 134.209.87.150 port 59290
Sep  5 11:55:47 localhost sshd\[57021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.87.150
Sep  5 11:55:49 localhost sshd\[57021\]: Failed password for invalid user demo from 134.209.87.150 port 59290 ssh2
Sep  5 11:59:39 localhost sshd\[57147\]: Invalid user ftp-user from 134.209.87.150 port 46332
Sep  5 11:59:39 localhost sshd\[57147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.87.150
...
2019-09-05 20:01:07
39.49.28.28 attackbots
Automatic report - Port Scan Attack
2019-09-05 19:42:06
120.136.167.74 attackspam
Sep  5 13:39:38 dedicated sshd[21449]: Invalid user 1 from 120.136.167.74 port 48527
2019-09-05 19:58:36
51.254.175.184 attackbots
fail2ban honeypot
2019-09-05 20:05:38
222.252.31.112 attack
Unauthorized connection attempt from IP address 222.252.31.112 on Port 445(SMB)
2019-09-05 20:15:52
36.75.14.75 attack
Unauthorized connection attempt from IP address 36.75.14.75 on Port 445(SMB)
2019-09-05 19:54:18
129.28.115.92 attack
$f2bV_matches
2019-09-05 19:57:56
188.162.229.252 attackspambots
Unauthorized connection attempt from IP address 188.162.229.252 on Port 445(SMB)
2019-09-05 20:13:44
77.247.110.122 attack
repeared attacks (over 120) in the space of 10 hours
2019-09-05 19:41:53
140.143.17.156 attackspam
Sep  5 07:38:11 debian sshd\[13340\]: Invalid user 1234 from 140.143.17.156 port 53476
Sep  5 07:38:11 debian sshd\[13340\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.17.156
Sep  5 07:38:13 debian sshd\[13340\]: Failed password for invalid user 1234 from 140.143.17.156 port 53476 ssh2
...
2019-09-05 19:41:00
139.199.113.2 attack
Sep  5 13:50:57 markkoudstaal sshd[24445]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.113.2
Sep  5 13:50:59 markkoudstaal sshd[24445]: Failed password for invalid user webcam from 139.199.113.2 port 22096 ssh2
Sep  5 13:56:38 markkoudstaal sshd[24939]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.113.2
2019-09-05 20:09:42
47.63.220.194 attackspambots
05.09.2019 14:10:06 - RDP Login Fail Detected by 
https://www.elinox.de/RDP-Wächter
2019-09-05 20:20:38
36.67.177.115 attackspambots
Unauthorized connection attempt from IP address 36.67.177.115 on Port 445(SMB)
2019-09-05 20:23:44

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