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: None

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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.136
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55241
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.136.			IN	A

;; AUTHORITY SECTION:
.			278	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:19:21 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 136.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 136.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
125.124.157.48 attackspam
Brute%20Force%20SSH
2020-10-09 07:06:17
61.177.172.128 attackspam
Oct  8 22:44:58 scw-6657dc sshd[1461]: Failed password for root from 61.177.172.128 port 27678 ssh2
Oct  8 22:44:58 scw-6657dc sshd[1461]: Failed password for root from 61.177.172.128 port 27678 ssh2
Oct  8 22:45:02 scw-6657dc sshd[1461]: Failed password for root from 61.177.172.128 port 27678 ssh2
...
2020-10-09 07:07:51
3.133.236.208 attack
5x Failed Password
2020-10-09 07:30:37
171.246.51.129 attack
Unauthorized connection attempt detected from IP address 171.246.51.129 to port 23 [T]
2020-10-09 07:02:57
201.149.49.146 attackspambots
SSH brute-force attack detected from [201.149.49.146]
2020-10-09 07:18:45
104.131.131.140 attack
Oct  9 00:27:54 electroncash sshd[3996]: Invalid user system from 104.131.131.140 port 51498
Oct  9 00:27:54 electroncash sshd[3996]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.131.140 
Oct  9 00:27:54 electroncash sshd[3996]: Invalid user system from 104.131.131.140 port 51498
Oct  9 00:27:56 electroncash sshd[3996]: Failed password for invalid user system from 104.131.131.140 port 51498 ssh2
Oct  9 00:32:04 electroncash sshd[5533]: Invalid user ftpguest from 104.131.131.140 port 54930
...
2020-10-09 07:16:11
154.83.16.242 attack
Oct  9 01:01:07 Server sshd[38172]: Failed password for invalid user jeffrey from 154.83.16.242 port 57410 ssh2
Oct  9 01:04:44 Server sshd[38492]: Invalid user admin from 154.83.16.242 port 35018
Oct  9 01:04:44 Server sshd[38492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=154.83.16.242 
Oct  9 01:04:44 Server sshd[38492]: Invalid user admin from 154.83.16.242 port 35018
Oct  9 01:04:47 Server sshd[38492]: Failed password for invalid user admin from 154.83.16.242 port 35018 ssh2
...
2020-10-09 07:23:51
202.179.76.187 attackbots
Oct  8 21:38:45 ip-172-31-42-142 sshd\[1396\]: Invalid user seb from 202.179.76.187\
Oct  8 21:38:47 ip-172-31-42-142 sshd\[1396\]: Failed password for invalid user seb from 202.179.76.187 port 46338 ssh2\
Oct  8 21:42:25 ip-172-31-42-142 sshd\[1523\]: Invalid user jakarta from 202.179.76.187\
Oct  8 21:42:27 ip-172-31-42-142 sshd\[1523\]: Failed password for invalid user jakarta from 202.179.76.187 port 50970 ssh2\
Oct  8 21:46:10 ip-172-31-42-142 sshd\[1566\]: Failed password for root from 202.179.76.187 port 55590 ssh2\
2020-10-09 07:17:31
186.154.38.249 attackspam
 TCP (SYN) 186.154.38.249:44286 -> port 23, len 40
2020-10-09 07:26:22
186.179.68.217 attackspambots
SMB Server BruteForce Attack
2020-10-09 07:02:38
1.2.151.181 attackspambots
Automatic report - Port Scan Attack
2020-10-09 07:14:42
186.122.149.191 attackspam
Oct  8 10:52:05 lanister sshd[5776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.122.149.191  user=root
Oct  8 10:52:07 lanister sshd[5776]: Failed password for root from 186.122.149.191 port 42762 ssh2
Oct  8 10:56:53 lanister sshd[5835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.122.149.191  user=root
Oct  8 10:56:55 lanister sshd[5835]: Failed password for root from 186.122.149.191 port 49022 ssh2
2020-10-09 07:32:59
173.12.157.141 attack
Oct  8 15:02:03 logopedia-1vcpu-1gb-nyc1-01 sshd[222129]: Failed password for root from 173.12.157.141 port 51035 ssh2
...
2020-10-09 07:29:52
106.38.203.230 attack
106.38.203.230 (CN/China/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct  8 17:10:13 server2 sshd[22697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.1.149.196  user=root
Oct  8 17:08:02 server2 sshd[21412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.38.203.230  user=root
Oct  8 17:09:28 server2 sshd[22210]: Failed password for root from 111.229.76.117 port 53196 ssh2
Oct  8 17:08:04 server2 sshd[21412]: Failed password for root from 106.38.203.230 port 51575 ssh2
Oct  8 17:09:11 server2 sshd[22158]: Failed password for root from 51.77.230.49 port 58692 ssh2
Oct  8 17:09:27 server2 sshd[22210]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.76.117  user=root

IP Addresses Blocked:

116.1.149.196 (CN/China/-)
2020-10-09 07:20:01
181.48.139.118 attack
Oct  8 02:27:43 gw1 sshd[26728]: Failed password for root from 181.48.139.118 port 58450 ssh2
...
2020-10-09 07:26:54

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