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 of America (the)

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 <<>> 104.21.240.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49629
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.240.135.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021600 1800 900 604800 86400

;; Query time: 42 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 16 14:44:41 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 135.240.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 135.240.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.199.79 attack
$f2bV_matches
2020-07-08 11:32:50
185.143.73.162 attackbots
Jul  8 05:40:45 srv01 postfix/smtpd\[18367\]: warning: unknown\[185.143.73.162\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 05:41:23 srv01 postfix/smtpd\[28995\]: warning: unknown\[185.143.73.162\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 05:42:03 srv01 postfix/smtpd\[28995\]: warning: unknown\[185.143.73.162\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 05:42:39 srv01 postfix/smtpd\[18367\]: warning: unknown\[185.143.73.162\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul  8 05:43:19 srv01 postfix/smtpd\[28995\]: warning: unknown\[185.143.73.162\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-07-08 11:43:47
163.172.122.161 attackbotsspam
SSH invalid-user multiple login try
2020-07-08 11:49:34
35.229.84.55 attack
20 attempts against mh-ssh on pluto
2020-07-08 11:51:19
183.88.243.21 attack
183.88.243.21 has been banned for [WebApp Attack]
...
2020-07-08 11:45:03
185.56.81.52 attack
185.56.81.52 - - [03/Jun/2020:14:56:38 +0000] "\x05\x01\x00" 400 166 "-" "-"
2020-07-08 11:46:48
218.92.0.251 attack
Jul  8 05:46:17 ovpn sshd\[28049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.251  user=root
Jul  8 05:46:19 ovpn sshd\[28049\]: Failed password for root from 218.92.0.251 port 2863 ssh2
Jul  8 05:46:36 ovpn sshd\[28139\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.251  user=root
Jul  8 05:46:38 ovpn sshd\[28139\]: Failed password for root from 218.92.0.251 port 30235 ssh2
Jul  8 05:47:04 ovpn sshd\[28238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.251  user=root
2020-07-08 11:58:40
112.85.42.104 attackbotsspam
Jul  8 05:46:57 eventyay sshd[1445]: Failed password for root from 112.85.42.104 port 19938 ssh2
Jul  8 05:47:05 eventyay sshd[1449]: Failed password for root from 112.85.42.104 port 48847 ssh2
Jul  8 05:47:08 eventyay sshd[1449]: Failed password for root from 112.85.42.104 port 48847 ssh2
...
2020-07-08 11:55:57
180.76.146.60 attackbots
18619/tcp 10179/tcp
[2020-06-26/07-08]2pkt
2020-07-08 11:32:00
60.15.67.178 attack
2020-07-08T06:11:16.378922SusPend.routelink.net.id sshd[14073]: Invalid user test from 60.15.67.178 port 48338
2020-07-08T06:11:18.621673SusPend.routelink.net.id sshd[14073]: Failed password for invalid user test from 60.15.67.178 port 48338 ssh2
2020-07-08T06:14:19.799814SusPend.routelink.net.id sshd[14416]: Invalid user dujoey from 60.15.67.178 port 39451
...
2020-07-08 11:37:06
116.235.40.179 attackspambots
Unauthorized connection attempt detected from IP address 116.235.40.179 to port 1433
2020-07-08 11:29:54
193.228.91.123 attack
 TCP (SYN) 193.228.91.123:43388 -> port 22, len 48
2020-07-08 11:29:30
121.33.147.54 attack
07/07/2020-16:07:33.616434 121.33.147.54 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-07-08 11:41:00
185.36.81.51 attack
port
2020-07-08 11:56:30
106.246.92.234 attackspambots
Jul  8 00:47:07 vps46666688 sshd[32155]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.246.92.234
Jul  8 00:47:10 vps46666688 sshd[32155]: Failed password for invalid user zhb from 106.246.92.234 port 46788 ssh2
...
2020-07-08 11:53:22

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