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 <<>> 104.21.5.154
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35249
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.154.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:34:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 154.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 154.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.239.128 attackbots
Lines containing failures of 106.13.239.128
Nov 27 10:11:42 dns01 sshd[26964]: Invalid user mdcho from 106.13.239.128 port 39904
Nov 27 10:11:42 dns01 sshd[26964]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.239.128
Nov 27 10:11:44 dns01 sshd[26964]: Failed password for invalid user mdcho from 106.13.239.128 port 39904 ssh2
Nov 27 10:11:45 dns01 sshd[26964]: Received disconnect from 106.13.239.128 port 39904:11: Bye Bye [preauth]
Nov 27 10:11:45 dns01 sshd[26964]: Disconnected from invalid user mdcho 106.13.239.128 port 39904 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.13.239.128
2019-11-27 20:18:57
197.156.67.250 attack
SSH brute-force: detected 36 distinct usernames within a 24-hour window.
2019-11-27 19:51:14
210.51.161.210 attackspambots
Invalid user server from 210.51.161.210 port 55560
2019-11-27 19:45:41
79.137.33.20 attack
Nov 27 11:22:51 srv01 sshd[31981]: Invalid user beta from 79.137.33.20 port 45907
Nov 27 11:22:51 srv01 sshd[31981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.137.33.20
Nov 27 11:22:51 srv01 sshd[31981]: Invalid user beta from 79.137.33.20 port 45907
Nov 27 11:22:52 srv01 sshd[31981]: Failed password for invalid user beta from 79.137.33.20 port 45907 ssh2
Nov 27 11:28:55 srv01 sshd[32406]: Invalid user vagrant from 79.137.33.20 port 35777
...
2019-11-27 20:17:06
159.65.49.251 attack
Nov 27 00:39:56 web1 sshd\[12168\]: Invalid user dongfangniu from 159.65.49.251
Nov 27 00:39:56 web1 sshd\[12168\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.49.251
Nov 27 00:39:58 web1 sshd\[12168\]: Failed password for invalid user dongfangniu from 159.65.49.251 port 38994 ssh2
Nov 27 00:46:05 web1 sshd\[12728\]: Invalid user ibrahi from 159.65.49.251
Nov 27 00:46:05 web1 sshd\[12728\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.49.251
2019-11-27 19:43:50
94.76.252.46 attack
SSH/22 MH Probe, BF, Hack -
2019-11-27 20:15:43
36.228.216.48 attackbots
19/11/27@03:51:50: FAIL: IoT-Telnet address from=36.228.216.48
...
2019-11-27 20:03:27
218.1.18.78 attackspambots
Nov 27 18:21:32 webhost01 sshd[21534]: Failed password for root from 218.1.18.78 port 22936 ssh2
Nov 27 18:30:12 webhost01 sshd[21569]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.1.18.78
...
2019-11-27 19:54:40
121.136.167.50 attackspam
Nov 27 10:42:31 XXX sshd[11539]: Invalid user ofsaa from 121.136.167.50 port 56530
2019-11-27 20:04:10
42.119.182.159 attackbotsspam
Honeypot attack, port: 23, PTR: PTR record not found
2019-11-27 19:54:17
91.226.35.33 attackspam
Honeypot attack, port: 23, PTR: host-33.dvs-sat.com.
2019-11-27 19:44:13
222.186.180.147 attackspam
Nov 27 12:51:36 jane sshd[30890]: Failed password for root from 222.186.180.147 port 40840 ssh2
Nov 27 12:51:40 jane sshd[30890]: Failed password for root from 222.186.180.147 port 40840 ssh2
...
2019-11-27 19:52:56
36.155.114.151 attack
Nov 27 11:44:21 srv206 sshd[29071]: Invalid user baughan from 36.155.114.151
Nov 27 11:44:21 srv206 sshd[29071]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.155.114.151
Nov 27 11:44:21 srv206 sshd[29071]: Invalid user baughan from 36.155.114.151
Nov 27 11:44:23 srv206 sshd[29071]: Failed password for invalid user baughan from 36.155.114.151 port 39129 ssh2
...
2019-11-27 20:15:02
207.154.193.178 attack
Nov 27 12:00:06 pornomens sshd\[21566\]: Invalid user pcap from 207.154.193.178 port 35514
Nov 27 12:00:06 pornomens sshd\[21566\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=207.154.193.178
Nov 27 12:00:09 pornomens sshd\[21566\]: Failed password for invalid user pcap from 207.154.193.178 port 35514 ssh2
...
2019-11-27 19:50:50
217.61.17.7 attack
Nov 27 12:09:20 ns381471 sshd[7826]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.61.17.7
Nov 27 12:09:22 ns381471 sshd[7826]: Failed password for invalid user encipher from 217.61.17.7 port 57526 ssh2
2019-11-27 20:06:12

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