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 <<>> 104.21.38.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52077
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.38.21.			IN	A

;; AUTHORITY SECTION:
.			338	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 09:59:23 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.38.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.38.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.75.199.214 attackspam
Aug  3 21:48:27 rocket sshd[31366]: Failed password for root from 49.75.199.214 port 54508 ssh2
Aug  3 21:52:51 rocket sshd[32108]: Failed password for root from 49.75.199.214 port 37564 ssh2
...
2020-08-04 06:24:20
85.14.251.242 attackbotsspam
Lines containing failures of 85.14.251.242
Aug  3 04:27:35 nbi-636 sshd[15457]: User r.r from 85.14.251.242 not allowed because not listed in AllowUsers
Aug  3 04:27:35 nbi-636 sshd[15457]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.14.251.242  user=r.r
Aug  3 04:27:37 nbi-636 sshd[15457]: Failed password for invalid user r.r from 85.14.251.242 port 9789 ssh2
Aug  3 04:27:37 nbi-636 sshd[15457]: Received disconnect from 85.14.251.242 port 9789:11: Bye Bye [preauth]
Aug  3 04:27:37 nbi-636 sshd[15457]: Disconnected from invalid user r.r 85.14.251.242 port 9789 [preauth]
Aug  3 04:42:13 nbi-636 sshd[19010]: User r.r from 85.14.251.242 not allowed because not listed in AllowUsers
Aug  3 04:42:13 nbi-636 sshd[19010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.14.251.242  user=r.r
Aug  3 04:42:15 nbi-636 sshd[19010]: Failed password for invalid user r.r from 85.14.251.242 port 1268........
------------------------------
2020-08-04 06:46:17
111.93.10.213 attack
2020-08-03T16:05:58.4938211495-001 sshd[38647]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.10.213  user=root
2020-08-03T16:06:00.5649681495-001 sshd[38647]: Failed password for root from 111.93.10.213 port 51816 ssh2
2020-08-03T16:10:22.8290391495-001 sshd[38855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.10.213  user=root
2020-08-03T16:10:24.8098401495-001 sshd[38855]: Failed password for root from 111.93.10.213 port 35270 ssh2
2020-08-03T16:14:45.3410251495-001 sshd[39055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.10.213  user=root
2020-08-03T16:14:47.4272821495-001 sshd[39055]: Failed password for root from 111.93.10.213 port 46950 ssh2
...
2020-08-04 06:19:28
45.160.145.57 attackspam
Port probing on unauthorized port 8080
2020-08-04 06:33:25
159.65.224.137 attackspam
Aug  4 00:06:55 eventyay sshd[30723]: Failed password for root from 159.65.224.137 port 36460 ssh2
Aug  4 00:09:31 eventyay sshd[30799]: Failed password for root from 159.65.224.137 port 48452 ssh2
...
2020-08-04 06:17:10
89.165.200.34 attackbots
trying to access non-authorized port
2020-08-04 06:29:28
194.26.29.135 attackspam
08/03/2020-18:18:14.722861 194.26.29.135 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-08-04 06:30:33
85.95.150.143 attackspambots
Aug  4 00:16:06 abendstille sshd\[16508\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.95.150.143  user=root
Aug  4 00:16:08 abendstille sshd\[16508\]: Failed password for root from 85.95.150.143 port 54096 ssh2
Aug  4 00:18:12 abendstille sshd\[18743\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.95.150.143  user=root
Aug  4 00:18:14 abendstille sshd\[18743\]: Failed password for root from 85.95.150.143 port 58340 ssh2
Aug  4 00:20:18 abendstille sshd\[20901\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.95.150.143  user=root
...
2020-08-04 06:25:52
154.120.242.70 attackspam
SSH Invalid Login
2020-08-04 06:36:12
54.172.117.167 attackbotsspam
404 NOT FOUND
2020-08-04 06:44:55
79.78.46.116 attackbotsspam
Telnetd brute force attack detected by fail2ban
2020-08-04 06:48:03
178.153.103.113 attackspam
Aug  3 22:35:25 host sshd[31375]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.153.103.113  user=root
Aug  3 22:35:27 host sshd[31375]: Failed password for root from 178.153.103.113 port 39462 ssh2
...
2020-08-04 06:29:05
36.110.50.254 attack
Aug  3 22:42:27 gospond sshd[16991]: Failed password for root from 36.110.50.254 port 2450 ssh2
Aug  3 22:42:25 gospond sshd[16991]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.110.50.254  user=root
Aug  3 22:42:27 gospond sshd[16991]: Failed password for root from 36.110.50.254 port 2450 ssh2
...
2020-08-04 06:41:53
91.206.14.169 attackspam
Aug  3 20:31:28 ip-172-31-61-156 sshd[22583]: Failed password for root from 91.206.14.169 port 36424 ssh2
Aug  3 20:31:27 ip-172-31-61-156 sshd[22583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.206.14.169  user=root
Aug  3 20:31:28 ip-172-31-61-156 sshd[22583]: Failed password for root from 91.206.14.169 port 36424 ssh2
Aug  3 20:35:18 ip-172-31-61-156 sshd[22723]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.206.14.169  user=root
Aug  3 20:35:20 ip-172-31-61-156 sshd[22723]: Failed password for root from 91.206.14.169 port 48448 ssh2
...
2020-08-04 06:33:12
27.155.83.174 attackbots
Aug  3 20:35:36 *** sshd[9910]: User root from 27.155.83.174 not allowed because not listed in AllowUsers
2020-08-04 06:19:39

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