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 <<>> 104.21.39.163
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16992
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.163.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:38:27 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 163.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 163.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.42.213 attack
2020-08-06T00:01:09.030318shield sshd\[24667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.213  user=root
2020-08-06T00:01:11.254533shield sshd\[24667\]: Failed password for root from 222.186.42.213 port 37217 ssh2
2020-08-06T00:01:13.825302shield sshd\[24667\]: Failed password for root from 222.186.42.213 port 37217 ssh2
2020-08-06T00:01:15.800929shield sshd\[24667\]: Failed password for root from 222.186.42.213 port 37217 ssh2
2020-08-06T00:01:18.833304shield sshd\[24743\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.213  user=root
2020-08-06 08:03:07
127.0.0.1 attackspambots
Test Connectivity
2020-08-06 08:04:11
112.85.42.104 attackspam
Aug  6 02:05:23 minden010 sshd[27760]: Failed password for root from 112.85.42.104 port 58304 ssh2
Aug  6 02:05:31 minden010 sshd[27760]: Failed password for root from 112.85.42.104 port 58304 ssh2
Aug  6 02:05:33 minden010 sshd[27760]: Failed password for root from 112.85.42.104 port 58304 ssh2
...
2020-08-06 08:11:06
45.62.234.151 attack
Aug  5 19:51:45 logopedia-1vcpu-1gb-nyc1-01 sshd[183994]: Failed password for root from 45.62.234.151 port 39224 ssh2
...
2020-08-06 08:15:52
50.236.62.30 attackspambots
SSH brute-force attempt
2020-08-06 07:36:58
103.123.8.75 attack
Aug  5 20:45:43 firewall sshd[32090]: Failed password for root from 103.123.8.75 port 50604 ssh2
Aug  5 20:48:59 firewall sshd[32215]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.123.8.75  user=root
Aug  5 20:49:00 firewall sshd[32215]: Failed password for root from 103.123.8.75 port 42924 ssh2
...
2020-08-06 08:13:23
142.93.215.22 attackspambots
SSH Brute Force
2020-08-06 07:47:20
189.34.49.81 attackspambots
Aug  5 18:45:14 NPSTNNYC01T sshd[451]: Failed password for root from 189.34.49.81 port 55070 ssh2
Aug  5 18:49:44 NPSTNNYC01T sshd[921]: Failed password for root from 189.34.49.81 port 34144 ssh2
...
2020-08-06 07:48:09
175.24.49.210 attackspam
2020-08-06T00:11:51+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)
2020-08-06 07:51:20
89.121.143.119 attack
Automatic report - Banned IP Access
2020-08-06 07:42:41
171.247.195.87 attackspambots
20/8/5@16:37:33: FAIL: Alarm-Network address from=171.247.195.87
...
2020-08-06 07:48:41
120.203.160.18 attackspam
Aug  5 23:33:35 abendstille sshd\[14769\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.203.160.18  user=root
Aug  5 23:33:37 abendstille sshd\[14769\]: Failed password for root from 120.203.160.18 port 54992 ssh2
Aug  5 23:37:59 abendstille sshd\[18831\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.203.160.18  user=root
Aug  5 23:38:01 abendstille sshd\[18831\]: Failed password for root from 120.203.160.18 port 29262 ssh2
Aug  5 23:42:37 abendstille sshd\[22841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.203.160.18  user=root
...
2020-08-06 08:14:50
112.206.1.204 attack
Try admin account
2020-08-06 08:07:12
62.234.164.238 attackbotsspam
Aug  6 01:54:30 mout sshd[6642]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.164.238  user=root
Aug  6 01:54:32 mout sshd[6642]: Failed password for root from 62.234.164.238 port 58006 ssh2
2020-08-06 08:13:37
125.227.236.60 attackbotsspam
Brute-force attempt banned
2020-08-06 08:09:22

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