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:
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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.41
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60935
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.41.			IN	A

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

;; Query time: 43 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:38 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 41.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 41.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
138.118.138.147 attack
Automatic report - Port Scan
2020-10-05 01:07:09
13.49.145.182 attackspambots
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: ec2-13-49-145-182.eu-north-1.compute.amazonaws.com.
2020-10-05 01:29:58
103.140.83.18 attackbots
Sep 17 01:48:19 roki-contabo sshd\[12013\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
Sep 17 01:48:22 roki-contabo sshd\[12013\]: Failed password for root from 103.140.83.18 port 50614 ssh2
Sep 17 04:34:41 roki-contabo sshd\[13731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
Sep 17 04:34:43 roki-contabo sshd\[13731\]: Failed password for root from 103.140.83.18 port 58440 ssh2
Sep 17 04:42:48 roki-contabo sshd\[13774\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.140.83.18  user=root
...
2020-10-05 01:30:46
58.216.141.114 attackspambots
1432/tcp 1433/tcp 1434/tcp...
[2020-10-03]30pkt,30pt.(tcp)
2020-10-05 01:24:30
58.210.88.98 attack
Oct  4 18:13:49 ns382633 sshd\[10390\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.88.98  user=root
Oct  4 18:13:52 ns382633 sshd\[10390\]: Failed password for root from 58.210.88.98 port 34189 ssh2
Oct  4 18:25:41 ns382633 sshd\[12372\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.88.98  user=root
Oct  4 18:25:43 ns382633 sshd\[12372\]: Failed password for root from 58.210.88.98 port 57584 ssh2
Oct  4 18:29:16 ns382633 sshd\[12951\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.88.98  user=root
2020-10-05 01:31:11
118.25.103.178 attackbots
Found on   Github Combined on 4 lists    / proto=6  .  srcport=50345  .  dstport=14841  .     (2876)
2020-10-05 01:11:45
219.157.34.152 attack
23/tcp
[2020-10-03]1pkt
2020-10-05 01:13:31
104.129.4.186 attackspambots
2020-10-04 dovecot_login authenticator failed for \(wwAIXv8\) \[104.129.4.186\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl\)
2020-10-04 dovecot_login authenticator failed for \(DiHFaHM\) \[104.129.4.186\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl\)
2020-10-04 dovecot_login authenticator failed for \(vQ7mJL\) \[104.129.4.186\]: 535 Incorrect authentication data \(set_id=**REMOVED****REMOVED****REMOVED**_perl\)
2020-10-05 01:19:24
167.172.150.241 attackspam
167.172.150.241 (US/United States/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct  4 10:00:40 server2 sshd[4716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.27.156  user=root
Oct  4 10:00:42 server2 sshd[4716]: Failed password for root from 106.13.27.156 port 46208 ssh2
Oct  4 10:01:39 server2 sshd[8149]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.178.141.20  user=root
Oct  4 10:01:17 server2 sshd[5684]: Failed password for root from 190.64.213.155 port 39116 ssh2
Oct  4 10:01:57 server2 sshd[8265]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.172.150.241  user=root
Oct  4 10:01:41 server2 sshd[8149]: Failed password for root from 45.178.141.20 port 37536 ssh2

IP Addresses Blocked:

106.13.27.156 (CN/China/-)
45.178.141.20 (BR/Brazil/-)
190.64.213.155 (UY/Uruguay/-)
2020-10-05 01:02:28
156.223.112.74 attack
445/tcp
[2020-10-03]1pkt
2020-10-05 01:05:45
177.28.92.254 attackbotsspam
IP blocked
2020-10-05 00:56:43
183.103.115.2 attack
SSH Brute-force
2020-10-05 00:55:51
153.99.181.90 attackbots
 TCP (SYN) 153.99.181.90:31899 -> port 18569, len 44
2020-10-05 01:37:33
103.151.182.6 attackbots
(sshd) Failed SSH login from 103.151.182.6 (BD/Bangladesh/Chittagong/Chittagong/mail.bestcommunication.net): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 08:07:44 atlas sshd[24479]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.151.182.6  user=root
Oct  4 08:07:46 atlas sshd[24479]: Failed password for root from 103.151.182.6 port 54494 ssh2
Oct  4 08:19:17 atlas sshd[28488]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.151.182.6  user=root
Oct  4 08:19:19 atlas sshd[28488]: Failed password for root from 103.151.182.6 port 55090 ssh2
Oct  4 08:24:11 atlas sshd[29628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.151.182.6  user=root
2020-10-05 01:09:30
122.51.230.155 attackbotsspam
Oct  4 18:37:37 lnxmail61 sshd[32216]: Failed password for root from 122.51.230.155 port 46826 ssh2
Oct  4 18:40:09 lnxmail61 sshd[32658]: Failed password for root from 122.51.230.155 port 42498 ssh2
2020-10-05 01:02:47

Recently Reported IPs

104.21.75.44 104.21.75.42 104.21.75.48 104.21.75.45
104.21.75.50 104.21.75.49 104.21.75.51 104.21.75.5
104.21.75.56 104.21.75.47 104.21.75.52 104.21.75.54
104.21.75.6 104.21.75.58 104.21.75.55 104.21.75.57
104.21.75.61 104.21.75.65 104.21.75.64 104.21.75.63