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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.21.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9218
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.42.			IN	A

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

;; Query time: 94 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:16:01 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 42.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.212 attack
May  2 08:23:59 vpn01 sshd[23512]: Failed password for root from 222.186.175.212 port 52696 ssh2
May  2 08:24:12 vpn01 sshd[23512]: error: maximum authentication attempts exceeded for root from 222.186.175.212 port 52696 ssh2 [preauth]
...
2020-05-02 14:33:56
222.186.30.167 attack
May  2 02:16:31 plusreed sshd[6165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.167  user=root
May  2 02:16:33 plusreed sshd[6165]: Failed password for root from 222.186.30.167 port 18236 ssh2
...
2020-05-02 14:20:24
200.236.103.7 attackbots
Automatic report - Port Scan Attack
2020-05-02 14:49:23
219.250.188.106 attack
May  2 08:01:24 plex sshd[9238]: Failed password for invalid user greta from 219.250.188.106 port 51576 ssh2
May  2 08:01:23 plex sshd[9238]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.250.188.106
May  2 08:01:23 plex sshd[9238]: Invalid user greta from 219.250.188.106 port 51576
May  2 08:01:24 plex sshd[9238]: Failed password for invalid user greta from 219.250.188.106 port 51576 ssh2
May  2 08:05:49 plex sshd[9301]: Invalid user ci from 219.250.188.106 port 55959
2020-05-02 14:18:13
138.68.107.225 attack
May  2 06:43:04 localhost sshd\[9735\]: Invalid user sakshi from 138.68.107.225
May  2 06:43:04 localhost sshd\[9735\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.107.225
May  2 06:43:06 localhost sshd\[9735\]: Failed password for invalid user sakshi from 138.68.107.225 port 34636 ssh2
May  2 06:44:35 localhost sshd\[9766\]: Invalid user pin from 138.68.107.225
May  2 06:44:35 localhost sshd\[9766\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.107.225
...
2020-05-02 14:41:44
45.55.135.88 attack
WordPress XMLRPC scan :: 45.55.135.88 0.064 BYPASS [02/May/2020:03:55:43  0000] [censored_2] "POST /xmlrpc.php HTTP/1.1" 200 236 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-05-02 14:22:22
118.70.216.153 attack
Unauthorized connection attempt detected from IP address 118.70.216.153 to port 22 [T]
2020-05-02 14:59:38
93.170.208.86 attackbots
Automatic report - Port Scan Attack
2020-05-02 14:29:43
83.219.128.94 attackspambots
May  2 08:17:26 tuxlinux sshd[49415]: Invalid user fit from 83.219.128.94 port 46546
May  2 08:17:26 tuxlinux sshd[49415]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.219.128.94 
May  2 08:17:26 tuxlinux sshd[49415]: Invalid user fit from 83.219.128.94 port 46546
May  2 08:17:26 tuxlinux sshd[49415]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.219.128.94 
May  2 08:17:26 tuxlinux sshd[49415]: Invalid user fit from 83.219.128.94 port 46546
May  2 08:17:26 tuxlinux sshd[49415]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.219.128.94 
May  2 08:17:28 tuxlinux sshd[49415]: Failed password for invalid user fit from 83.219.128.94 port 46546 ssh2
...
2020-05-02 14:48:58
51.254.87.75 attackbotsspam
CMS (WordPress or Joomla) login attempt.
2020-05-02 14:34:51
80.94.107.161 attackbotsspam
2020-05-01T23:55:11.614268mail.thespaminator.com sshd[17560]: Invalid user lzq from 80.94.107.161 port 49310
2020-05-01T23:55:13.859213mail.thespaminator.com sshd[17560]: Failed password for invalid user lzq from 80.94.107.161 port 49310 ssh2
...
2020-05-02 14:42:43
159.203.198.34 attackspam
May  2 07:36:46 pornomens sshd\[19143\]: Invalid user admin01 from 159.203.198.34 port 44035
May  2 07:36:46 pornomens sshd\[19143\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.198.34
May  2 07:36:48 pornomens sshd\[19143\]: Failed password for invalid user admin01 from 159.203.198.34 port 44035 ssh2
...
2020-05-02 14:44:07
171.248.58.180 attackbots
Unauthorised access (May  2) SRC=171.248.58.180 LEN=52 TTL=110 ID=4484 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-02 14:49:38
195.54.167.9 attack
May  2 08:14:25 debian-2gb-nbg1-2 kernel: \[10658975.091465\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.54.167.9 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=37104 PROTO=TCP SPT=51064 DPT=41274 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-02 14:34:21
58.220.46.28 attack
Unauthorized connection attempt detected from IP address 58.220.46.28 to port 5900 [T]
2020-05-02 15:03:09

Recently Reported IPs

104.21.21.33 104.21.21.43 104.21.21.48 104.21.21.5
104.21.21.64 104.21.21.45 104.21.21.65 104.21.21.67
104.21.68.170 104.21.21.54 104.21.21.241 104.21.21.53
104.21.21.73 104.21.21.74 104.21.21.71 104.21.21.7
104.21.21.79 104.21.21.68 104.21.21.8 104.21.21.88