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 <<>> 104.21.20.173
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.173.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:15:14 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 173.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 173.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.29.89.15 attackbots
Aug  4 16:15:45 itv-usvr-01 sshd[26571]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.89.15  user=root
Aug  4 16:15:47 itv-usvr-01 sshd[26571]: Failed password for root from 14.29.89.15 port 35430 ssh2
Aug  4 16:20:28 itv-usvr-01 sshd[26804]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.89.15  user=root
Aug  4 16:20:30 itv-usvr-01 sshd[26804]: Failed password for root from 14.29.89.15 port 60852 ssh2
Aug  4 16:24:28 itv-usvr-01 sshd[27003]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.29.89.15  user=root
Aug  4 16:24:30 itv-usvr-01 sshd[27003]: Failed password for root from 14.29.89.15 port 52542 ssh2
2020-08-04 21:15:57
177.25.85.149 attackbotsspam
Aug  4 13:17:06 IngegnereFirenze sshd[23102]: User root from 177.25.85.149 not allowed because not listed in AllowUsers
...
2020-08-04 21:27:20
218.92.0.133 attackbotsspam
Aug  4 15:02:43 piServer sshd[14247]: Failed password for root from 218.92.0.133 port 27632 ssh2
Aug  4 15:02:50 piServer sshd[14247]: Failed password for root from 218.92.0.133 port 27632 ssh2
Aug  4 15:02:54 piServer sshd[14247]: Failed password for root from 218.92.0.133 port 27632 ssh2
Aug  4 15:02:58 piServer sshd[14247]: Failed password for root from 218.92.0.133 port 27632 ssh2
...
2020-08-04 21:07:23
35.188.246.64 attackspam
Aug  4 14:23:11 prod4 sshd\[27260\]: Failed password for root from 35.188.246.64 port 40718 ssh2
Aug  4 14:28:32 prod4 sshd\[29940\]: Failed password for root from 35.188.246.64 port 39720 ssh2
Aug  4 14:32:43 prod4 sshd\[32147\]: Failed password for root from 35.188.246.64 port 53296 ssh2
...
2020-08-04 21:05:54
49.235.92.208 attack
Aug  4 13:54:33 piServer sshd[7190]: Failed password for root from 49.235.92.208 port 58932 ssh2
Aug  4 13:58:07 piServer sshd[7627]: Failed password for root from 49.235.92.208 port 38588 ssh2
...
2020-08-04 21:29:16
206.189.194.249 attack
2020-08-04T13:28:19.285436mail.broermann.family sshd[26815]: Failed password for root from 206.189.194.249 port 58548 ssh2
2020-08-04T13:32:40.312055mail.broermann.family sshd[26974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.194.249  user=root
2020-08-04T13:32:41.568626mail.broermann.family sshd[26974]: Failed password for root from 206.189.194.249 port 42892 ssh2
2020-08-04T13:36:52.392211mail.broermann.family sshd[27163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.194.249  user=root
2020-08-04T13:36:54.577150mail.broermann.family sshd[27163]: Failed password for root from 206.189.194.249 port 55468 ssh2
...
2020-08-04 21:25:59
118.25.74.199 attack
Aug  4 05:51:53 ny01 sshd[28278]: Failed password for root from 118.25.74.199 port 52944 ssh2
Aug  4 05:54:28 ny01 sshd[28616]: Failed password for root from 118.25.74.199 port 52496 ssh2
2020-08-04 21:30:05
207.182.136.83 attackspambots
Aug  4 20:26:42 doubuntu sshd[28603]: Disconnected from invalid user test 207.182.136.83 port 44758 [preauth]
Aug  4 20:42:20 doubuntu sshd[28815]: Invalid user ubuntu from 207.182.136.83 port 50328
Aug  4 20:42:20 doubuntu sshd[28815]: Invalid user ubuntu from 207.182.136.83 port 50328
...
2020-08-04 21:28:53
78.189.117.25 attack
Unauthorized connection attempt detected from IP address 78.189.117.25 to port 22
2020-08-04 20:52:59
175.6.149.211 attackspambots
20 attempts against mh-ssh on pluto
2020-08-04 20:52:35
51.254.120.159 attack
Aug  4 12:21:21 vm1 sshd[446]: Failed password for root from 51.254.120.159 port 37629 ssh2
...
2020-08-04 21:01:31
65.52.7.179 attackspambots
TCP ports : 25580 / 25581 / 25582
2020-08-04 21:06:50
222.186.175.182 attackbots
Brute force attempt
2020-08-04 21:32:11
106.12.68.244 attackbotsspam
Aug  4 07:25:01 vps46666688 sshd[6008]: Failed password for root from 106.12.68.244 port 33214 ssh2
...
2020-08-04 20:54:22
212.64.88.97 attackbotsspam
Aug 2 12:37:04 *hidden* sshd[21259]: Failed password for *hidden* from 212.64.88.97 port 46198 ssh2 Aug 2 12:41:52 *hidden* sshd[21952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.88.97 user=root Aug 2 12:41:54 *hidden* sshd[21952]: Failed password for *hidden* from 212.64.88.97 port 37126 ssh2
2020-08-04 21:24:43

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