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 <<>> 104.21.40.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 18375
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.55.			IN	A

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

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:28:50 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 55.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
167.71.67.238 attackbots
May  2 16:23:43 r.ca sshd[29087]: Failed password for invalid user ts3srv from 167.71.67.238 port 60392 ssh2
2020-05-03 04:55:05
142.93.101.148 attackspam
2020-05-03T05:31:04.052581vivaldi2.tree2.info sshd[16864]: Invalid user dsanchez from 142.93.101.148
2020-05-03T05:31:06.869510vivaldi2.tree2.info sshd[16864]: Failed password for invalid user dsanchez from 142.93.101.148 port 36678 ssh2
2020-05-03T05:33:05.972414vivaldi2.tree2.info sshd[16949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.101.148  user=root
2020-05-03T05:33:07.389514vivaldi2.tree2.info sshd[16949]: Failed password for root from 142.93.101.148 port 43626 ssh2
2020-05-03T05:35:09.304430vivaldi2.tree2.info sshd[17040]: Invalid user m from 142.93.101.148
...
2020-05-03 04:48:12
118.25.91.103 attackspam
May  2 14:51:27 plex sshd[19376]: Invalid user info from 118.25.91.103 port 34492
2020-05-03 04:32:57
94.191.94.179 attackspam
2020-05-02T19:56:10.279426v22018076590370373 sshd[30813]: Invalid user banana from 94.191.94.179 port 60138
2020-05-02T19:56:10.285914v22018076590370373 sshd[30813]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.94.179
2020-05-02T19:56:10.279426v22018076590370373 sshd[30813]: Invalid user banana from 94.191.94.179 port 60138
2020-05-02T19:56:12.851962v22018076590370373 sshd[30813]: Failed password for invalid user banana from 94.191.94.179 port 60138 ssh2
2020-05-02T19:57:41.598088v22018076590370373 sshd[3207]: Invalid user toor from 94.191.94.179 port 46488
...
2020-05-03 04:34:09
103.212.32.184 attack
May  1 19:56:15 host sshd[11440]: User r.r from 103.212.32.184 not allowed because none of user's groups are listed in AllowGroups
May  1 19:56:15 host sshd[11440]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.212.32.184  user=r.r
May  1 19:56:17 host sshd[11440]: Failed password for invalid user r.r from 103.212.32.184 port 37472 ssh2
May  1 19:56:18 host sshd[11440]: Received disconnect from 103.212.32.184 port 37472:11: Bye Bye [preauth]
May  1 19:56:18 host sshd[11440]: Disconnected from invalid user r.r 103.212.32.184 port 37472 [preauth]
May  1 20:14:33 host sshd[15951]: User r.r from 103.212.32.184 not allowed because none of user's groups are listed in AllowGroups
May  1 20:14:33 host sshd[15951]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.212.32.184  user=r.r
May  1 20:14:35 host sshd[15951]: Failed password for invalid user r.r from 103.212.32.184 port 35444 ssh2
Ma........
-------------------------------
2020-05-03 04:23:21
188.157.136.79 attackspam
Honeypot attack, port: 81, PTR: BC9D884F.mobile.pool.telekom.hu.
2020-05-03 04:19:09
158.69.223.91 attackspam
May  2 16:46:24 ny01 sshd[2888]: Failed password for root from 158.69.223.91 port 34825 ssh2
May  2 16:50:24 ny01 sshd[3403]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.69.223.91
May  2 16:50:26 ny01 sshd[3403]: Failed password for invalid user caroline from 158.69.223.91 port 39385 ssh2
2020-05-03 04:59:38
190.119.190.122 attackspambots
May  2 21:16:26 icinga sshd[52894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.119.190.122 
May  2 21:16:28 icinga sshd[52894]: Failed password for invalid user auth from 190.119.190.122 port 42772 ssh2
May  2 21:29:08 icinga sshd[8573]: Failed password for root from 190.119.190.122 port 40360 ssh2
...
2020-05-03 04:34:41
185.143.74.73 attackspam
May  2 22:33:00 relay postfix/smtpd\[31812\]: warning: unknown\[185.143.74.73\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  2 22:33:24 relay postfix/smtpd\[7224\]: warning: unknown\[185.143.74.73\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  2 22:34:06 relay postfix/smtpd\[9788\]: warning: unknown\[185.143.74.73\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  2 22:34:29 relay postfix/smtpd\[2286\]: warning: unknown\[185.143.74.73\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
May  2 22:35:12 relay postfix/smtpd\[660\]: warning: unknown\[185.143.74.73\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-05-03 04:42:37
185.46.18.99 attackspambots
2020-05-02T18:59:44.970313upcloud.m0sh1x2.com sshd[24958]: Invalid user rutorrent from 185.46.18.99 port 41376
2020-05-03 04:32:09
112.112.139.170 attackbots
Honeypot attack, port: 5555, PTR: 170.139.112.112.broad.km.yn.dynamic.163data.com.cn.
2020-05-03 04:28:44
36.232.107.182 attackbots
Honeypot attack, port: 5555, PTR: 36-232-107-182.dynamic-ip.hinet.net.
2020-05-03 04:25:09
185.19.78.160 attackbotsspam
Unauthorized connection attempt detected from IP address 185.19.78.160 to port 23
2020-05-03 04:29:55
51.75.17.122 attackbotsspam
2020-05-02T20:32:56.104453shield sshd\[3457\]: Invalid user av from 51.75.17.122 port 33404
2020-05-02T20:32:56.108906shield sshd\[3457\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.ip-51-75-17.eu
2020-05-02T20:32:58.297824shield sshd\[3457\]: Failed password for invalid user av from 51.75.17.122 port 33404 ssh2
2020-05-02T20:41:15.619478shield sshd\[4736\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.ip-51-75-17.eu  user=root
2020-05-02T20:41:17.644348shield sshd\[4736\]: Failed password for root from 51.75.17.122 port 57720 ssh2
2020-05-03 04:50:23
193.58.196.146 attack
May  2 21:35:12 ms-srv sshd[16715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.58.196.146  user=root
May  2 21:35:14 ms-srv sshd[16715]: Failed password for invalid user root from 193.58.196.146 port 44294 ssh2
2020-05-03 04:41:01

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