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 <<>> 104.21.21.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56544
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.55.			IN	A

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

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:57:38 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 55.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.236.75.62 attackbots
php WP PHPmyadamin ABUSE blocked for 12h
2020-08-03 01:08:41
172.73.162.118 attackspam
ICMP MH Probe, Scan /Distributed -
2020-08-03 00:24:15
213.22.40.77 attackbotsspam
213.22.40.77 - - [02/Aug/2020:15:57:18 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
213.22.40.77 - - [02/Aug/2020:16:12:52 +0100] "POST /wp-login.php HTTP/1.1" 200 1968 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
213.22.40.77 - - [02/Aug/2020:16:12:53 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-03 01:07:29
87.251.74.79 attackspambots
08/02/2020-12:10:18.265699 87.251.74.79 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-08-03 00:38:05
46.38.235.173 attackbots
Aug 2 14:22:05 *hidden* sshd[50699]: Failed password for *hidden* from 46.38.235.173 port 43602 ssh2 Aug 2 14:31:06 *hidden* sshd[52165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.38.235.173 user=root Aug 2 14:31:08 *hidden* sshd[52165]: Failed password for *hidden* from 46.38.235.173 port 56722 ssh2
2020-08-03 00:32:44
180.76.188.63 attack
Failed password for root from 180.76.188.63 port 50890 ssh2
2020-08-03 00:25:26
182.75.248.254 attackbots
(sshd) Failed SSH login from 182.75.248.254 (IN/India/nsg-static-254.248.75.182-airtel.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Aug  2 17:53:49 srv sshd[845]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.75.248.254  user=root
Aug  2 17:53:51 srv sshd[845]: Failed password for root from 182.75.248.254 port 27042 ssh2
Aug  2 18:05:08 srv sshd[1007]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.75.248.254  user=root
Aug  2 18:05:10 srv sshd[1007]: Failed password for root from 182.75.248.254 port 63973 ssh2
Aug  2 18:10:02 srv sshd[1081]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.75.248.254  user=root
2020-08-03 00:27:32
123.5.54.185 attackspam
Aug  2 09:49:59 r.ca sshd[21456]: Failed password for root from 123.5.54.185 port 37516 ssh2
2020-08-03 00:44:58
118.27.14.123 attackspam
2020-08-02T16:20:14.726112n23.at sshd[3980606]: Failed password for root from 118.27.14.123 port 54878 ssh2
2020-08-02T16:24:47.755360n23.at sshd[3983726]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.27.14.123  user=root
2020-08-02T16:24:49.965372n23.at sshd[3983726]: Failed password for root from 118.27.14.123 port 40224 ssh2
...
2020-08-03 01:00:29
27.72.59.164 attackbots
Dovecot Invalid User Login Attempt.
2020-08-03 00:48:34
139.199.80.67 attackspambots
Aug  2 12:37:23 vps-51d81928 sshd[393833]: Failed password for root from 139.199.80.67 port 46592 ssh2
Aug  2 12:38:34 vps-51d81928 sshd[393850]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.80.67  user=root
Aug  2 12:38:36 vps-51d81928 sshd[393850]: Failed password for root from 139.199.80.67 port 58464 ssh2
Aug  2 12:39:50 vps-51d81928 sshd[393864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.80.67  user=root
Aug  2 12:39:52 vps-51d81928 sshd[393864]: Failed password for root from 139.199.80.67 port 42112 ssh2
...
2020-08-03 00:34:31
139.170.150.252 attack
Aug  2 18:03:16 sso sshd[21407]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.170.150.252
Aug  2 18:03:18 sso sshd[21407]: Failed password for invalid user manager from 139.170.150.252 port 53669 ssh2
...
2020-08-03 00:43:37
103.239.252.66 attackspam
Icarus honeypot on github
2020-08-03 00:24:35
181.39.37.101 attackspam
Aug  2 16:33:02 django-0 sshd[27088]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=host-181-39-37-101.telconet.net  user=root
Aug  2 16:33:04 django-0 sshd[27088]: Failed password for root from 181.39.37.101 port 43174 ssh2
...
2020-08-03 00:31:32
87.190.16.229 attack
SSH invalid-user multiple login try
2020-08-03 00:31:09

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