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 <<>> 104.21.13.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17689
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.21.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:53:25 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.215 attackspam
2020-07-31T20:18:08.433805snf-827550 sshd[22117]: Failed password for root from 218.92.0.215 port 31303 ssh2
2020-07-31T20:18:15.608942snf-827550 sshd[22117]: Failed password for root from 218.92.0.215 port 31303 ssh2
2020-07-31T20:18:19.330563snf-827550 sshd[22117]: Failed password for root from 218.92.0.215 port 31303 ssh2
...
2020-08-01 01:39:54
49.236.195.150 attackspam
Jul 31 13:56:27 zooi sshd[13196]: Failed password for root from 49.236.195.150 port 51336 ssh2
...
2020-08-01 01:48:43
87.208.56.229 attackbotsspam
 TCP (SYN) 87.208.56.229:53048 -> port 22, len 44
2020-08-01 01:37:18
144.34.175.84 attackbots
Jul 31 16:52:19 mail sshd[426983]: Failed password for root from 144.34.175.84 port 59172 ssh2
Jul 31 17:03:16 mail sshd[427381]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.34.175.84  user=root
Jul 31 17:03:18 mail sshd[427381]: Failed password for root from 144.34.175.84 port 44484 ssh2
...
2020-08-01 01:31:39
184.105.247.215 attackbotsspam
srv02 Mass scanning activity detected Target: 2323  ..
2020-08-01 02:11:45
80.82.65.74 attackspam
 TCP (SYN) 80.82.65.74:42537 -> port 2002, len 44
2020-08-01 02:06:48
101.132.131.236 attack
(sshd) Failed SSH login from 101.132.131.236 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jul 31 14:32:11 srv sshd[1081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.132.131.236  user=root
Jul 31 14:32:13 srv sshd[1081]: Failed password for root from 101.132.131.236 port 50910 ssh2
Jul 31 15:01:34 srv sshd[1611]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.132.131.236  user=root
Jul 31 15:01:36 srv sshd[1611]: Failed password for root from 101.132.131.236 port 34688 ssh2
Jul 31 15:03:22 srv sshd[1638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.132.131.236  user=root
2020-08-01 02:01:16
45.163.134.214 attack
Portscan detected
2020-08-01 01:49:43
49.69.162.170 attackspam
Lines containing failures of 49.69.162.170
Jul 31 13:52:29 new sshd[16586]: Bad protocol version identification '' from 49.69.162.170 port 30942
Jul 31 13:53:08 new sshd[16593]: Invalid user osbash from 49.69.162.170 port 31111
Jul 31 13:53:12 new sshd[16593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.69.162.170
Jul 31 13:53:13 new sshd[16593]: Failed password for invalid user osbash from 49.69.162.170 port 31111 ssh2


........
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https://www.blocklist.de/en/view.html?ip=49.69.162.170
2020-08-01 01:49:19
185.86.91.58 attackbotsspam
1596197053 - 07/31/2020 14:04:13 Host: 185.86.91.58/185.86.91.58 Port: 445 TCP Blocked
2020-08-01 01:32:30
102.39.226.220 attack
Automatic report - XMLRPC Attack
2020-08-01 02:13:04
159.203.30.226 attackspam
(mod_security) mod_security (id:20000005) triggered by 159.203.30.226 (CA/Canada/-): 5 in the last 300 secs
2020-08-01 01:56:00
106.2.176.2 attackspambots
IP 106.2.176.2 attacked honeypot on port: 23 at 7/31/2020 5:02:29 AM
2020-08-01 02:12:04
106.225.129.108 attack
SSH bruteforce
2020-08-01 02:03:09
92.55.194.111 attackbotsspam
failed_logins
2020-08-01 02:08:26

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