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 <<>> 104.21.51.164
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46306
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.164.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:39:40 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 164.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 164.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.91.158.160 attack
ET CINS Active Threat Intelligence Poor Reputation IP group 37 - port: 23 proto: TCP cat: Misc Attack
2020-04-03 03:59:06
54.37.71.204 attack
Apr  2 20:32:05 haigwepa sshd[5567]: Failed password for root from 54.37.71.204 port 49932 ssh2
...
2020-04-03 03:58:15
1.244.109.199 attack
Invalid user alex from 1.244.109.199 port 45130
2020-04-03 04:03:32
46.100.54.168 attackspambots
Apr  2 20:42:19 vmd48417 sshd[2065]: Failed password for root from 46.100.54.168 port 47076 ssh2
2020-04-03 04:25:19
162.243.129.106 attackbots
8022/tcp 2376/tcp 161/udp...
[2020-02-04/04-02]23pkt,18pt.(tcp),3pt.(udp)
2020-04-03 04:22:40
106.13.237.235 attackbots
Apr  2 21:25:27 vps647732 sshd[12493]: Failed password for root from 106.13.237.235 port 56538 ssh2
Apr  2 21:28:05 vps647732 sshd[12597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.237.235
...
2020-04-03 04:06:39
186.113.18.109 attackbots
leo_www
2020-04-03 04:19:30
89.144.47.246 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-04-03 04:07:36
77.40.2.67 attackspambots
IP: 77.40.2.67
Ports affected
    Simple Mail Transfer (25) 
    Message Submission (587) 
Abuse Confidence rating 61%
Found in DNSBL('s)
ASN Details
   AS12389 Rostelecom
   Russia (RU)
   CIDR 77.40.0.0/17
Log Date: 2/04/2020 6:55:46 PM UTC
2020-04-03 04:23:41
5.147.173.226 attack
SSH Login Bruteforce
2020-04-03 04:20:49
193.252.189.177 attack
Invalid user qka from 193.252.189.177 port 53034
2020-04-03 04:24:24
180.241.46.129 attackspam
Apr  2 14:40:31 host sshd[31334]: Invalid user admin from 180.241.46.129 port 37091
...
2020-04-03 04:26:05
134.175.17.32 attack
Apr  2 21:57:34 Ubuntu-1404-trusty-64-minimal sshd\[22940\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.17.32  user=root
Apr  2 21:57:36 Ubuntu-1404-trusty-64-minimal sshd\[22940\]: Failed password for root from 134.175.17.32 port 40988 ssh2
Apr  2 22:06:01 Ubuntu-1404-trusty-64-minimal sshd\[32619\]: Invalid user olivia from 134.175.17.32
Apr  2 22:06:01 Ubuntu-1404-trusty-64-minimal sshd\[32619\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.17.32
Apr  2 22:06:03 Ubuntu-1404-trusty-64-minimal sshd\[32619\]: Failed password for invalid user olivia from 134.175.17.32 port 48740 ssh2
2020-04-03 04:23:18
150.223.18.234 attack
Tried sshing with brute force.
2020-04-03 04:16:40
187.95.124.230 attack
2020-04-02T19:58:33.991537abusebot-4.cloudsearch.cf sshd[21551]: Invalid user test from 187.95.124.230 port 38944
2020-04-02T19:58:34.000272abusebot-4.cloudsearch.cf sshd[21551]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.95.124.230
2020-04-02T19:58:33.991537abusebot-4.cloudsearch.cf sshd[21551]: Invalid user test from 187.95.124.230 port 38944
2020-04-02T19:58:35.843437abusebot-4.cloudsearch.cf sshd[21551]: Failed password for invalid user test from 187.95.124.230 port 38944 ssh2
2020-04-02T20:03:48.550227abusebot-4.cloudsearch.cf sshd[21839]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.95.124.230  user=root
2020-04-02T20:03:49.971781abusebot-4.cloudsearch.cf sshd[21839]: Failed password for root from 187.95.124.230 port 59422 ssh2
2020-04-02T20:08:26.887107abusebot-4.cloudsearch.cf sshd[22120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.95.
...
2020-04-03 04:15:41

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