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 <<>> 104.19.187.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32868
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.19.187.21.			IN	A

;; AUTHORITY SECTION:
.			107	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022201 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 23 03:47:18 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 21.187.19.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.187.19.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
82.119.100.182 attack
Jun 15 15:53:28 localhost sshd[27523]: Invalid user verwalter from 82.119.100.182 port 64513
Jun 15 15:53:28 localhost sshd[27523]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=82.119.100.182
Jun 15 15:53:28 localhost sshd[27523]: Invalid user verwalter from 82.119.100.182 port 64513
Jun 15 15:53:31 localhost sshd[27523]: Failed password for invalid user verwalter from 82.119.100.182 port 64513 ssh2
...
2019-06-27 02:47:34
110.35.180.239 attack
SSH bruteforce
2019-06-27 02:06:41
112.133.204.24 attackbotsspam
445/tcp
[2019-06-26]1pkt
2019-06-27 02:12:21
87.100.243.117 attackbotsspam
Jun 26 18:52:32 s64-1 sshd[29891]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.100.243.117
Jun 26 18:52:35 s64-1 sshd[29891]: Failed password for invalid user admin from 87.100.243.117 port 42482 ssh2
Jun 26 18:59:34 s64-1 sshd[29962]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.100.243.117
...
2019-06-27 02:20:25
43.249.104.68 attack
Jun 26 20:33:37 srv-4 sshd\[22564\]: Invalid user cron from 43.249.104.68
Jun 26 20:33:37 srv-4 sshd\[22564\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.249.104.68
Jun 26 20:33:40 srv-4 sshd\[22564\]: Failed password for invalid user cron from 43.249.104.68 port 47372 ssh2
...
2019-06-27 02:43:22
84.18.119.179 attackbotsspam
Unauthorized connection attempt from IP address 84.18.119.179 on Port 445(SMB)
2019-06-27 02:05:56
185.200.189.189 attackbots
firewall-block, port(s): 4899/tcp
2019-06-27 02:40:31
36.74.145.251 attackbotsspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-06-26 01:22:36,965 INFO [shellcode_manager] (36.74.145.251) no match, writing hexdump (610f7fa9fdd06fdc006d6b89386d507f :2217643) - MS17010 (EternalBlue)
2019-06-27 02:19:18
119.117.81.2 attack
5500/tcp
[2019-06-26]1pkt
2019-06-27 02:33:36
125.75.206.244 attack
IMAP brute force
...
2019-06-27 02:04:58
107.170.204.26 attackbotsspam
1080/tcp 61815/tcp 1400/tcp...
[2019-04-26/06-26]58pkt,40pt.(tcp),7pt.(udp)
2019-06-27 02:46:12
193.32.161.19 attackbots
Portscan or hack attempt detected by psad/fwsnort
2019-06-27 02:27:16
103.126.138.122 attackbots
2019-06-25T19:22:26.927941stt-1.[munged] kernel: [5536572.309492] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=103.126.138.122 DST=[mungedIP1] LEN=44 TOS=0x00 PREC=0x00 TTL=50 ID=0 DF PROTO=TCP SPT=80 DPT=56415 WINDOW=29200 RES=0x00 ACK SYN URGP=0 
2019-06-26T10:21:54.579327stt-1.[munged] kernel: [5590539.811516] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=103.126.138.122 DST=[mungedIP1] LEN=60 TOS=0x00 PREC=0x00 TTL=50 ID=0 DF PROTO=TCP SPT=80 DPT=49162 WINDOW=28960 RES=0x00 ACK SYN URGP=0 
2019-06-26T11:02:44.999151stt-1.[munged] kernel: [5592990.224172] iptables_INPUT_denied: IN=eth0 OUT= MAC=f2:3c:91:97:36:58:84:78:ac:57:aa:c1:08:00 SRC=103.126.138.122 DST=[mungedIP1] LEN=44 TOS=0x00 PREC=0x00 TTL=50 ID=0 DF PROTO=TCP SPT=80 DPT=42545 WINDOW=29200 RES=0x00 ACK SYN URGP=0
2019-06-27 02:32:30
129.213.97.191 attackbots
Jun 26 16:26:57 MK-Soft-VM4 sshd\[2091\]: Invalid user phion from 129.213.97.191 port 47855
Jun 26 16:26:57 MK-Soft-VM4 sshd\[2091\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.97.191
Jun 26 16:26:58 MK-Soft-VM4 sshd\[2091\]: Failed password for invalid user phion from 129.213.97.191 port 47855 ssh2
...
2019-06-27 02:11:58
110.156.149.19 attackbots
23/tcp
[2019-06-26]1pkt
2019-06-27 02:26:38

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