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 <<>> 104.21.42.205
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39023
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.205.			IN	A

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

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:29:45 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 205.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 205.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
107.170.201.213 attackspambots
5903/tcp 51465/tcp 135/tcp...
[2019-06-01/07-31]65pkt,53pt.(tcp),4pt.(udp)
2019-08-02 12:26:20
192.144.155.63 attack
Aug  2 02:29:35 MK-Soft-VM7 sshd\[7879\]: Invalid user ksb from 192.144.155.63 port 35636
Aug  2 02:29:35 MK-Soft-VM7 sshd\[7879\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.155.63
Aug  2 02:29:37 MK-Soft-VM7 sshd\[7879\]: Failed password for invalid user ksb from 192.144.155.63 port 35636 ssh2
...
2019-08-02 13:11:26
66.150.26.41 attackbotsspam
firewall-block, port(s): 8081/tcp
2019-08-02 12:51:15
106.105.197.81 attackspambots
2019-08-01 18:18:07 H=(106.105.197.81.adsl.dynamic.seed.net.tw) [106.105.197.81]:42820 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3, 127.0.0.11) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-08-01 18:18:08 H=(106.105.197.81.adsl.dynamic.seed.net.tw) [106.105.197.81]:42820 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.11, 127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/sbl/query/SBLCSS)
2019-08-01 18:18:09 H=(106.105.197.81.adsl.dynamic.seed.net.tw) [106.105.197.81]:42820 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.11, 127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/sbl/query/SBLCSS)
...
2019-08-02 12:57:28
112.73.93.180 attack
Aug  2 07:34:45 site1 sshd\[50725\]: Address 112.73.93.180 maps to ns1.eflydns.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Aug  2 07:34:45 site1 sshd\[50725\]: Invalid user rodica from 112.73.93.180Aug  2 07:34:48 site1 sshd\[50725\]: Failed password for invalid user rodica from 112.73.93.180 port 41162 ssh2Aug  2 07:40:30 site1 sshd\[51501\]: Address 112.73.93.180 maps to ns1.eflydns.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!Aug  2 07:40:30 site1 sshd\[51501\]: Invalid user arma3 from 112.73.93.180Aug  2 07:40:32 site1 sshd\[51501\]: Failed password for invalid user arma3 from 112.73.93.180 port 38081 ssh2
...
2019-08-02 12:55:50
196.52.43.85 attackspambots
5910/tcp 6379/tcp 3333/tcp...
[2019-06-01/08-01]53pkt,37pt.(tcp),4pt.(udp),1tp.(icmp)
2019-08-02 12:45:30
196.52.43.116 attackspambots
3389BruteforceFW23
2019-08-02 12:48:29
142.112.237.175 attackbotsspam
Aug  1 21:11:09 ntp sshd[9020]: Invalid user temp from 142.112.237.175
Aug  1 21:11:09 ntp sshd[9020]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.112.237.175
Aug  1 21:11:12 ntp sshd[9020]: Failed password for invalid user temp from 142.112.237.175 port 57260 ssh2
Aug  1 21:15:22 ntp sshd[9024]: Invalid user test1 from 142.112.237.175
Aug  1 21:15:22 ntp sshd[9024]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.112.237.175

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=142.112.237.175
2019-08-02 12:46:24
185.220.101.28 attackspam
Aug  2 01:53:24 s1 sshd\[12721\]: Invalid user administrator from 185.220.101.28 port 35855
Aug  2 01:53:24 s1 sshd\[12721\]: Failed password for invalid user administrator from 185.220.101.28 port 35855 ssh2
Aug  2 01:53:27 s1 sshd\[12723\]: Invalid user NetLinx from 185.220.101.28 port 37955
Aug  2 01:53:27 s1 sshd\[12723\]: Failed password for invalid user NetLinx from 185.220.101.28 port 37955 ssh2
Aug  2 01:53:30 s1 sshd\[12726\]: Invalid user administrator from 185.220.101.28 port 43668
Aug  2 01:53:30 s1 sshd\[12726\]: Failed password for invalid user administrator from 185.220.101.28 port 43668 ssh2
...
2019-08-02 12:49:58
221.5.37.194 attack
Aug  1 23:37:07 **** sshd[11340]: Did not receive identification string from 221.5.37.194 port 51772
2019-08-02 12:38:27
106.13.32.106 attack
Aug  2 01:31:07 Ubuntu-1404-trusty-64-minimal sshd\[11284\]: Invalid user fctrserver from 106.13.32.106
Aug  2 01:31:07 Ubuntu-1404-trusty-64-minimal sshd\[11284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.32.106
Aug  2 01:31:09 Ubuntu-1404-trusty-64-minimal sshd\[11284\]: Failed password for invalid user fctrserver from 106.13.32.106 port 33192 ssh2
Aug  2 01:36:01 Ubuntu-1404-trusty-64-minimal sshd\[12322\]: Invalid user radu from 106.13.32.106
Aug  2 01:36:01 Ubuntu-1404-trusty-64-minimal sshd\[12322\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.32.106
2019-08-02 12:39:37
185.176.27.110 attack
Aug  2 03:22:39   TCP Attack: SRC=185.176.27.110 DST=[Masked] LEN=40 TOS=0x08 PREC=0x20 TTL=245  PROTO=TCP SPT=59807 DPT=6690 WINDOW=1024 RES=0x00 SYN URGP=0
2019-08-02 13:17:58
118.24.246.208 attackspambots
Automatic report - Banned IP Access
2019-08-02 13:08:04
47.222.107.145 attack
Aug  2 07:26:41 docs sshd\[40960\]: Invalid user ly from 47.222.107.145Aug  2 07:26:43 docs sshd\[40960\]: Failed password for invalid user ly from 47.222.107.145 port 44420 ssh2Aug  2 07:30:52 docs sshd\[41061\]: Invalid user atir from 47.222.107.145Aug  2 07:30:54 docs sshd\[41061\]: Failed password for invalid user atir from 47.222.107.145 port 38882 ssh2Aug  2 07:35:16 docs sshd\[41163\]: Invalid user pj from 47.222.107.145Aug  2 07:35:18 docs sshd\[41163\]: Failed password for invalid user pj from 47.222.107.145 port 33126 ssh2
...
2019-08-02 12:49:39
221.229.196.146 attackbotsspam
Aug  2 02:26:22 MK-Soft-VM4 sshd\[3503\]: Invalid user odoo from 221.229.196.146 port 47574
Aug  2 02:26:22 MK-Soft-VM4 sshd\[3503\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.229.196.146
Aug  2 02:26:25 MK-Soft-VM4 sshd\[3503\]: Failed password for invalid user odoo from 221.229.196.146 port 47574 ssh2
...
2019-08-02 12:59:16

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