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 <<>> 104.21.55.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25456
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.99.			IN	A

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

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:37:35 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 99.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
148.153.65.58 attackspam
SSH Brute Force
2020-04-12 22:37:04
34.69.42.148 attackbotsspam
Apr 12 14:32:41 meumeu sshd[12586]: Failed password for root from 34.69.42.148 port 33140 ssh2
Apr 12 14:36:20 meumeu sshd[13034]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.69.42.148 
Apr 12 14:36:22 meumeu sshd[13034]: Failed password for invalid user ftp from 34.69.42.148 port 41468 ssh2
...
2020-04-12 22:34:14
219.139.131.131 attackbotsspam
Apr 12 15:11:34 pve sshd[23182]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.139.131.131 
Apr 12 15:11:35 pve sshd[23182]: Failed password for invalid user students from 219.139.131.131 port 43700 ssh2
Apr 12 15:19:24 pve sshd[29413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.139.131.131
2020-04-12 21:56:27
222.186.169.192 attackspambots
Apr 12 16:25:51 vpn01 sshd[8474]: Failed password for root from 222.186.169.192 port 15588 ssh2
Apr 12 16:26:04 vpn01 sshd[8474]: error: maximum authentication attempts exceeded for root from 222.186.169.192 port 15588 ssh2 [preauth]
...
2020-04-12 22:28:24
85.57.87.9 attackspam
failed root login
2020-04-12 21:56:00
218.92.0.173 attackbotsspam
Apr 12 20:41:49 webhost01 sshd[14686]: Failed password for root from 218.92.0.173 port 49911 ssh2
Apr 12 20:42:01 webhost01 sshd[14686]: error: maximum authentication attempts exceeded for root from 218.92.0.173 port 49911 ssh2 [preauth]
...
2020-04-12 22:04:20
167.86.100.98 attackbots
(ftpd) Failed FTP login from 167.86.100.98 (DE/Germany/vmi258478.contaboserver.net): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Apr 12 16:37:54 ir1 pure-ftpd: (?@167.86.100.98) [WARNING] Authentication failed for user [behzisty-esfahan.ir]
2020-04-12 22:11:47
128.199.170.135 attack
Apr 12 14:19:43 srv01 sshd[1301]: Invalid user scan from 128.199.170.135 port 26584
Apr 12 14:19:43 srv01 sshd[1301]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.170.135
Apr 12 14:19:43 srv01 sshd[1301]: Invalid user scan from 128.199.170.135 port 26584
Apr 12 14:19:45 srv01 sshd[1301]: Failed password for invalid user scan from 128.199.170.135 port 26584 ssh2
Apr 12 14:23:37 srv01 sshd[1610]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.170.135  user=root
Apr 12 14:23:39 srv01 sshd[1610]: Failed password for root from 128.199.170.135 port 25193 ssh2
...
2020-04-12 22:22:32
80.253.235.144 attackspam
Unauthorized connection attempt detected from IP address 80.253.235.144 to port 445
2020-04-12 21:54:26
64.227.5.37 attackbotsspam
*Port Scan* detected from 64.227.5.37 (US/United States/New Jersey/North Bergen/-). 4 hits in the last 260 seconds
2020-04-12 22:17:48
45.133.99.10 attackbotsspam
Apr 12 15:55:45 web01.agentur-b-2.de postfix/smtpd[174396]: warning: unknown[45.133.99.10]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 12 15:55:45 web01.agentur-b-2.de postfix/smtpd[174396]: lost connection after AUTH from unknown[45.133.99.10]
Apr 12 15:55:51 web01.agentur-b-2.de postfix/smtpd[170275]: lost connection after AUTH from unknown[45.133.99.10]
Apr 12 15:55:58 web01.agentur-b-2.de postfix/smtpd[174396]: lost connection after AUTH from unknown[45.133.99.10]
Apr 12 15:56:04 web01.agentur-b-2.de postfix/smtpd[170275]: warning: unknown[45.133.99.10]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-04-12 22:23:02
104.248.170.186 attackspambots
Apr 12 12:08:14 *** sshd[27779]: User root from 104.248.170.186 not allowed because not listed in AllowUsers
2020-04-12 21:55:38
113.133.176.204 attack
k+ssh-bruteforce
2020-04-12 22:36:03
129.213.107.56 attack
Apr 12 13:59:57 ks10 sshd[3994021]: Failed password for root from 129.213.107.56 port 47882 ssh2
Apr 12 14:07:54 ks10 sshd[3995683]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.213.107.56 
...
2020-04-12 22:15:54
122.114.189.58 attackspambots
Apr 12 15:49:13 ns381471 sshd[2245]: Failed password for root from 122.114.189.58 port 49227 ssh2
2020-04-12 22:13:22

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