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: None

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 <<>> 104.21.47.155
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41776
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.47.155.			IN	A

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

;; Query time: 26 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:56:11 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 155.47.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 155.47.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.6.93.222 attackbots
Oct 24 23:08:08 eola sshd[11993]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.6.93.222  user=r.r
Oct 24 23:08:10 eola sshd[11993]: Failed password for r.r from 45.6.93.222 port 51534 ssh2
Oct 24 23:08:10 eola sshd[11993]: Received disconnect from 45.6.93.222 port 51534:11: Bye Bye [preauth]
Oct 24 23:08:10 eola sshd[11993]: Disconnected from 45.6.93.222 port 51534 [preauth]
Oct 24 23:26:26 eola sshd[12452]: Invalid user 3389 from 45.6.93.222 port 35936
Oct 24 23:26:26 eola sshd[12452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.6.93.222 
Oct 24 23:26:28 eola sshd[12452]: Failed password for invalid user 3389 from 45.6.93.222 port 35936 ssh2
Oct 24 23:26:28 eola sshd[12452]: Received disconnect from 45.6.93.222 port 35936:11: Bye Bye [preauth]
Oct 24 23:26:28 eola sshd[12452]: Disconnected from 45.6.93.222 port 35936 [preauth]
Oct 24 23:31:05 eola sshd[12618]: Invalid user 123 ........
-------------------------------
2019-10-28 04:50:51
129.211.14.39 attackspam
Oct 27 21:29:17 v22019058497090703 sshd[26185]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.14.39
Oct 27 21:29:19 v22019058497090703 sshd[26185]: Failed password for invalid user killall from 129.211.14.39 port 42526 ssh2
Oct 27 21:35:36 v22019058497090703 sshd[26632]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.14.39
...
2019-10-28 04:45:32
51.77.220.183 attackspambots
$f2bV_matches
2019-10-28 04:19:05
190.60.95.3 attackspam
Oct 27 21:25:19 localhost sshd\[19284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.60.95.3  user=root
Oct 27 21:25:21 localhost sshd\[19284\]: Failed password for root from 190.60.95.3 port 40545 ssh2
Oct 27 21:29:31 localhost sshd\[19629\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.60.95.3  user=root
2019-10-28 04:54:24
49.232.23.127 attackspambots
Oct 27 21:29:54 amit sshd\[15908\]: Invalid user sniff from 49.232.23.127
Oct 27 21:29:54 amit sshd\[15908\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.23.127
Oct 27 21:29:57 amit sshd\[15908\]: Failed password for invalid user sniff from 49.232.23.127 port 53976 ssh2
...
2019-10-28 04:33:53
217.68.214.169 attack
Host is trying to send e-mails. Multiple unauthorized connections to SMTP Sever: tcp/25.
2019-10-28 04:32:25
106.12.151.201 attack
Oct 24 19:57:50 plesk sshd[10674]: Invalid user teste from 106.12.151.201
Oct 24 19:57:50 plesk sshd[10674]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.151.201 
Oct 24 19:57:52 plesk sshd[10674]: Failed password for invalid user teste from 106.12.151.201 port 38652 ssh2
Oct 24 19:57:52 plesk sshd[10674]: Received disconnect from 106.12.151.201: 11: Bye Bye [preauth]
Oct 24 20:08:33 plesk sshd[11380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.151.201  user=r.r
Oct 24 20:08:34 plesk sshd[11380]: Failed password for r.r from 106.12.151.201 port 56452 ssh2
Oct 24 20:08:35 plesk sshd[11380]: Received disconnect from 106.12.151.201: 11: Bye Bye [preauth]
Oct 24 20:12:30 plesk sshd[11716]: Invalid user lx from 106.12.151.201
Oct 24 20:12:30 plesk sshd[11716]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.151.201 
Oct 24 20:12........
-------------------------------
2019-10-28 04:39:35
186.149.243.192 attackbotsspam
Oct 27 12:04:21 anodpoucpklekan sshd[51676]: Invalid user sniffer from 186.149.243.192 port 50589
Oct 27 12:04:24 anodpoucpklekan sshd[51676]: Failed password for invalid user sniffer from 186.149.243.192 port 50589 ssh2
...
2019-10-28 04:25:25
116.196.85.71 attackspam
Oct 27 21:25:44 v22019058497090703 sshd[25960]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.85.71
Oct 27 21:25:46 v22019058497090703 sshd[25960]: Failed password for invalid user jethro from 116.196.85.71 port 58362 ssh2
Oct 27 21:29:23 v22019058497090703 sshd[26192]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.196.85.71
...
2019-10-28 04:43:34
217.68.214.231 attackspambots
Host is trying to send e-mails. Multiple unauthorized connections to SMTP Sever: tcp/25.
2019-10-28 04:17:22
104.155.47.43 attackspam
fail2ban honeypot
2019-10-28 04:27:53
175.161.25.100 attack
Port Scan
2019-10-28 04:16:28
58.87.69.177 attackbots
Oct 27 17:25:13 firewall sshd[31168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.87.69.177  user=root
Oct 27 17:25:15 firewall sshd[31168]: Failed password for root from 58.87.69.177 port 45995 ssh2
Oct 27 17:29:29 firewall sshd[31311]: Invalid user gerrit2 from 58.87.69.177
...
2019-10-28 04:55:20
78.194.214.19 attack
2019-10-27T20:29:33.247332abusebot-5.cloudsearch.cf sshd\[6144\]: Invalid user robert from 78.194.214.19 port 50666
2019-10-28 04:52:11
217.68.214.18 attackspam
Host is trying to send e-mails. Multiple unauthorized connections to SMTP Sever: tcp/25.
2019-10-28 04:29:35

Recently Reported IPs

104.21.47.153 72.0.190.249 104.21.47.161 104.21.47.162
213.63.135.70 104.21.47.163 104.21.47.164 104.21.47.167
104.21.47.17 104.21.47.172 104.21.47.174 104.21.47.177
104.21.47.179 104.21.47.18 104.21.47.185 104.21.47.190
104.21.47.191 114.71.14.42 104.21.47.193 104.21.47.202