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 <<>> 104.21.19.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12804
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.19.4.			IN	A

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

;; Query time: 128 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:14:26 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 4.19.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 4.19.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
200.194.16.191 attack
Automatic report - Port Scan
2020-03-23 04:15:21
218.92.0.145 attackbotsspam
Mar 22 21:22:13 *host* sshd\[13013\]: Unable to negotiate with 218.92.0.145 port 41984: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 \[preauth\]
2020-03-23 04:23:26
45.141.84.17 attack
Mar 22 19:24:22 debian-2gb-nbg1-2 kernel: \[7160555.014657\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=45.141.84.17 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=21944 PROTO=TCP SPT=44542 DPT=8496 WINDOW=1024 RES=0x00 SYN URGP=0
2020-03-23 04:21:32
31.205.212.79 attack
SSH Bruteforce attempt
2020-03-23 04:31:00
109.225.2.247 attack
Automatic report - Port Scan Attack
2020-03-23 04:16:16
185.9.226.28 attackbotsspam
(sshd) Failed SSH login from 185.9.226.28 (DE/Germany/cable-185-9-226-28.cust.telecolumbus.net): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 22 21:33:01 amsweb01 sshd[24149]: Invalid user nc from 185.9.226.28 port 53888
Mar 22 21:33:03 amsweb01 sshd[24149]: Failed password for invalid user nc from 185.9.226.28 port 53888 ssh2
Mar 22 21:38:41 amsweb01 sshd[25011]: User admin from 185.9.226.28 not allowed because not listed in AllowUsers
Mar 22 21:38:41 amsweb01 sshd[25011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.9.226.28  user=admin
Mar 22 21:38:43 amsweb01 sshd[25011]: Failed password for invalid user admin from 185.9.226.28 port 46254 ssh2
2020-03-23 04:39:28
158.177.91.60 attackbotsspam
Mar 22 14:17:33 vps670341 sshd[4432]: Invalid user webmaster from 158.177.91.60 port 51532
2020-03-23 04:27:19
178.89.172.44 attack
Honeypot attack, port: 445, PTR: 178.89.172.44.megaline.telecom.kz.
2020-03-23 04:05:37
138.197.21.218 attackspam
Mar 22 20:03:27 vmd17057 sshd[32315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.21.218 
Mar 22 20:03:30 vmd17057 sshd[32315]: Failed password for invalid user worker from 138.197.21.218 port 32876 ssh2
...
2020-03-23 04:13:49
221.127.27.11 attackbotsspam
Honeypot attack, port: 5555, PTR: PTR record not found
2020-03-23 04:21:07
188.165.223.168 attack
Fail2Ban Ban Triggered
2020-03-23 04:26:52
109.167.231.99 attackbots
Mar 22 20:32:44 vpn01 sshd[31524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.167.231.99
Mar 22 20:32:46 vpn01 sshd[31524]: Failed password for invalid user wow from 109.167.231.99 port 48553 ssh2
...
2020-03-23 04:23:59
115.72.79.14 attack
20/3/22@10:25:26: FAIL: Alarm-Network address from=115.72.79.14
...
2020-03-23 04:24:44
90.244.206.45 attackspambots
Unauthorized connection attempt from IP address 90.244.206.45 on Port 445(SMB)
2020-03-23 04:38:21
189.18.205.81 attack
Mar 22 20:18:53 DAAP sshd[14911]: Invalid user kamal from 189.18.205.81 port 51363
Mar 22 20:18:53 DAAP sshd[14911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.18.205.81
Mar 22 20:18:53 DAAP sshd[14911]: Invalid user kamal from 189.18.205.81 port 51363
Mar 22 20:18:55 DAAP sshd[14911]: Failed password for invalid user kamal from 189.18.205.81 port 51363 ssh2
Mar 22 20:23:41 DAAP sshd[14986]: Invalid user notes from 189.18.205.81 port 53310
...
2020-03-23 04:11:05

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