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 <<>> 104.21.42.126
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53715
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.126.			IN	A

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

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:09:10 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 126.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 126.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.43.18.215 attack
Unauthorized connection attempt detected from IP address 45.43.18.215 to port 22
2020-07-10 00:21:58
185.36.81.51 attack
Firewall Dropped Connection
2020-07-10 00:51:36
134.209.148.107 attackbotsspam
07/09/2020-12:11:35.797235 134.209.148.107 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-07-10 00:15:27
141.98.81.209 attackbots
Jul  9 13:14:41 firewall sshd[24317]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.81.209
Jul  9 13:14:41 firewall sshd[24317]: Invalid user admin from 141.98.81.209
Jul  9 13:14:42 firewall sshd[24317]: Failed password for invalid user admin from 141.98.81.209 port 33177 ssh2
...
2020-07-10 00:24:13
180.76.249.74 attack
$f2bV_matches
2020-07-10 00:37:01
141.98.81.207 attackspambots
Jul  9 13:14:06 firewall sshd[24263]: Invalid user admin from 141.98.81.207
Jul  9 13:14:08 firewall sshd[24263]: Failed password for invalid user admin from 141.98.81.207 port 27847 ssh2
Jul  9 13:14:32 firewall sshd[24286]: Invalid user Admin from 141.98.81.207
...
2020-07-10 00:28:34
186.234.249.196 attack
Jul  9 15:58:57 124388 sshd[20187]: Invalid user test from 186.234.249.196 port 58416
Jul  9 15:58:57 124388 sshd[20187]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.234.249.196
Jul  9 15:58:57 124388 sshd[20187]: Invalid user test from 186.234.249.196 port 58416
Jul  9 15:58:59 124388 sshd[20187]: Failed password for invalid user test from 186.234.249.196 port 58416 ssh2
Jul  9 16:01:38 124388 sshd[20321]: Invalid user library from 186.234.249.196 port 28976
2020-07-10 00:49:54
175.215.229.138 attackspambots
postfix
2020-07-10 00:38:29
90.63.184.110 attack
postfix (unknown user, SPF fail or relay access denied)
2020-07-10 00:41:45
80.151.5.38 attackspam
SSH brute force attempt
2020-07-10 00:20:13
210.105.148.87 attackspambots
[portscan] tcp/22 [SSH]
in blocklist.de:'listed [ssh]'
*(RWIN=65535)(07091136)
2020-07-10 00:31:16
88.229.110.87 attackbotsspam
Scan z
2020-07-10 00:19:41
187.19.185.73 attackbots
postfix
2020-07-10 00:29:41
134.175.55.10 attack
Jul  9 16:20:58 hosting sshd[5691]: Invalid user administrator from 134.175.55.10 port 60676
...
2020-07-10 00:25:27
123.24.205.125 attack
Dovecot Invalid User Login Attempt.
2020-07-10 00:43:20

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