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 <<>> 104.21.75.126
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55316
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.126.			IN	A

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

;; Query time: 92 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:53:54 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 126.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 126.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
174.138.32.244 attackspambots
Jul 31 15:48:32 debian sshd\[18077\]: Invalid user informatica from 174.138.32.244 port 58724
Jul 31 15:48:32 debian sshd\[18077\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.138.32.244
Jul 31 15:48:34 debian sshd\[18077\]: Failed password for invalid user informatica from 174.138.32.244 port 58724 ssh2
...
2019-08-01 04:49:52
134.209.59.66 attack
Jul 31 22:28:32 plex sshd[19573]: Invalid user 01234 from 134.209.59.66 port 40444
2019-08-01 04:42:58
51.79.69.48 attackspam
Jul 31 22:41:40 SilenceServices sshd[20665]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.69.48
Jul 31 22:41:42 SilenceServices sshd[20665]: Failed password for invalid user mmy from 51.79.69.48 port 57790 ssh2
Jul 31 22:47:45 SilenceServices sshd[24503]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.69.48
2019-08-01 04:50:45
130.61.121.78 attack
May  8 20:56:03 server sshd\[236296\]: Invalid user anton from 130.61.121.78
May  8 20:56:03 server sshd\[236296\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=130.61.121.78
May  8 20:56:06 server sshd\[236296\]: Failed password for invalid user anton from 130.61.121.78 port 39626 ssh2
...
2019-08-01 04:33:12
190.145.138.19 attack
Apr 18 13:13:32 ubuntu sshd[32018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.145.138.19
Apr 18 13:13:35 ubuntu sshd[32018]: Failed password for invalid user apps from 190.145.138.19 port 47708 ssh2
Apr 18 13:16:08 ubuntu sshd[32141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.145.138.19
Apr 18 13:16:09 ubuntu sshd[32141]: Failed password for invalid user Elvi from 190.145.138.19 port 45304 ssh2
2019-08-01 04:32:48
83.142.138.2 attack
Automatic report - Banned IP Access
2019-08-01 04:38:49
106.52.116.101 attackbotsspam
2019-07-31T21:07:19.306660lon01.zurich-datacenter.net sshd\[30544\]: Invalid user lynda from 106.52.116.101 port 22235
2019-07-31T21:07:19.312549lon01.zurich-datacenter.net sshd\[30544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.116.101
2019-07-31T21:07:21.543124lon01.zurich-datacenter.net sshd\[30544\]: Failed password for invalid user lynda from 106.52.116.101 port 22235 ssh2
2019-07-31T21:10:28.418909lon01.zurich-datacenter.net sshd\[30598\]: Invalid user amt from 106.52.116.101 port 52769
2019-07-31T21:10:28.427350lon01.zurich-datacenter.net sshd\[30598\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.116.101
...
2019-08-01 04:52:58
185.88.252.151 attack
Automatic report - Port Scan Attack
2019-08-01 04:41:21
216.71.120.20 attackbots
[WedJul3120:45:43.5304862019][:error][pid7819:tid47921129121536][client216.71.120.20:49423][client216.71.120.20]ModSecurity:Accessdeniedwithcode400\(phase2\).InvalidURLEncoding:Non-hexadecimaldigitsusedatREQUEST_BODY.[file"/usr/local/apache.ea3/conf/modsec_rules/00_asl_zz_strict.conf"][line"76"][id"390704"][rev"1"][msg"Atomicorp.comWAFRules:PossibleEncodingAbuseAttackAttempt"][severity"NOTICE"][hostname"cser.eatasting.com"][uri"/wp-login.php"][unique_id"XUHh1xIUyjObuioSP2iv8QAAABM"][WedJul3120:48:20.3721562019][:error][pid25202:tid47921114412800][client216.71.120.20:36634][client216.71.120.20]ModSecurity:Accessdeniedwithcode400\(phase2\).InvalidURLEncoding:Non-hexadecimaldigitsusedatREQUEST_BODY.[file"/usr/local/apache.ea3/conf/modsec_rules/00_asl_zz_strict.conf"][line"76"][id"390704"][rev"1"][msg"Atomicorp.comWAFRules:PossibleEncodingAbuseAttackAttempt"][severity"NOTICE"][hostname"cser.eatasting.com"][uri"/wp-login.php"][unique_id"XUHidJM9kQV-ZxhzgcEN4AAAAUw"]
2019-08-01 04:41:00
190.144.14.170 attackbots
Jul  6 02:48:10 dallas01 sshd[14080]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.144.14.170
Jul  6 02:48:12 dallas01 sshd[14080]: Failed password for invalid user zhan from 190.144.14.170 port 51918 ssh2
Jul  6 02:50:26 dallas01 sshd[14392]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.144.14.170
2019-08-01 04:49:09
211.106.126.221 attackspam
Unauthorised access (Jul 31) SRC=211.106.126.221 LEN=40 TTL=244 ID=52818 TCP DPT=3389 WINDOW=1024 SYN
2019-08-01 04:54:32
90.188.38.1 attackspam
Trying ports that it shouldn't be.
2019-08-01 05:02:58
15.164.110.20 attackspambots
Jul 31 14:23:59 archiv sshd[30331]: Invalid user mi from 15.164.110.20 port 38024
Jul 31 14:23:59 archiv sshd[30331]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-15-164-110-20.ap-northeast-2.compute.amazonaws.com
Jul 31 14:24:01 archiv sshd[30331]: Failed password for invalid user mi from 15.164.110.20 port 38024 ssh2
Jul 31 14:24:26 archiv sshd[30331]: Received disconnect from 15.164.110.20 port 38024:11: Bye Bye [preauth]
Jul 31 14:24:26 archiv sshd[30331]: Disconnected from 15.164.110.20 port 38024 [preauth]
Jul 31 15:17:23 archiv sshd[30608]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=em3-15-164-110-20.ap-northeast-2.compute.amazonaws.com  user=r.r
Jul 31 15:17:24 archiv sshd[30608]: Failed password for r.r from 15.164.110.20 port 60940 ssh2
Jul 31 15:17:25 archiv sshd[30608]: Received disconnect from 15.164.110.20 port 60940:11: Bye Bye [preauth]
Jul 31 15:17:25 archiv sshd........
-------------------------------
2019-08-01 04:56:50
180.109.187.227 attackbotsspam
Jul 31 14:47:35 esmtp postfix/smtpd[25481]: lost connection after AUTH from unknown[180.109.187.227]
Jul 31 14:47:36 esmtp postfix/smtpd[25639]: lost connection after AUTH from unknown[180.109.187.227]
Jul 31 14:47:37 esmtp postfix/smtpd[25481]: lost connection after AUTH from unknown[180.109.187.227]
Jul 31 14:47:39 esmtp postfix/smtpd[25639]: lost connection after AUTH from unknown[180.109.187.227]
Jul 31 14:47:40 esmtp postfix/smtpd[25481]: lost connection after AUTH from unknown[180.109.187.227]

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=180.109.187.227
2019-08-01 04:57:43
159.89.197.196 attackbotsspam
Aug  1 03:35:50 webhost01 sshd[11222]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.197.196
Aug  1 03:35:52 webhost01 sshd[11222]: Failed password for invalid user red5 from 159.89.197.196 port 40248 ssh2
...
2019-08-01 05:03:52

Recently Reported IPs

104.21.75.123 104.21.75.129 132.29.4.92 104.21.75.13
104.21.75.132 104.21.75.131 104.21.75.124 104.21.75.130
104.21.75.133 104.21.75.134 104.21.75.135 104.21.75.139
104.21.75.14 104.21.75.147 104.21.75.138 104.21.75.143
104.21.75.144 104.21.75.148 104.21.75.149 104.21.75.15