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 <<>> 104.21.51.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60248
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.242.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:21 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 242.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
191.53.250.149 attackbots
$f2bV_matches
2019-07-24 19:40:24
159.65.236.58 attackbots
'Fail2Ban'
2019-07-24 19:28:29
128.199.233.57 attack
Jul 24 09:06:43 MK-Soft-VM3 sshd\[4841\]: Invalid user hadoop from 128.199.233.57 port 53340
Jul 24 09:06:43 MK-Soft-VM3 sshd\[4841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.233.57
Jul 24 09:06:45 MK-Soft-VM3 sshd\[4841\]: Failed password for invalid user hadoop from 128.199.233.57 port 53340 ssh2
...
2019-07-24 19:47:18
187.86.194.6 attackbots
$f2bV_matches
2019-07-24 19:36:43
206.19.238.177 attackspambots
2019-07-24T11:25:44.296360abusebot-4.cloudsearch.cf sshd\[3829\]: Invalid user www-data from 206.19.238.177 port 47930
2019-07-24 19:46:10
131.72.216.146 attackbots
Jul 24 10:52:49 rpi sshd[14435]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.72.216.146 
Jul 24 10:52:51 rpi sshd[14435]: Failed password for invalid user ts3 from 131.72.216.146 port 63018 ssh2
2019-07-24 19:08:22
202.88.237.110 attack
2019-07-24T12:24:14.245047lon01.zurich-datacenter.net sshd\[13384\]: Invalid user augurio from 202.88.237.110 port 42318
2019-07-24T12:24:14.252986lon01.zurich-datacenter.net sshd\[13384\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.88.237.110
2019-07-24T12:24:15.697995lon01.zurich-datacenter.net sshd\[13384\]: Failed password for invalid user augurio from 202.88.237.110 port 42318 ssh2
2019-07-24T12:29:51.159457lon01.zurich-datacenter.net sshd\[13460\]: Invalid user abc1 from 202.88.237.110 port 37084
2019-07-24T12:29:51.167148lon01.zurich-datacenter.net sshd\[13460\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.88.237.110
...
2019-07-24 18:55:57
104.229.105.140 attackbotsspam
Invalid user oracle from 104.229.105.140 port 45010
2019-07-24 19:02:05
27.50.24.83 attackbots
Invalid user test from 27.50.24.83 port 59637
2019-07-24 18:54:35
49.146.76.45 attack
Invalid user ubnt from 49.146.76.45 port 60973
2019-07-24 19:04:14
128.199.100.253 attackbotsspam
2019-06-20T12:33:44.783Z CLOSE host=128.199.100.253 port=38342 fd=4 time=42.558 bytes=7219
...
2019-07-24 19:00:09
177.154.238.112 attackspam
$f2bV_matches
2019-07-24 19:44:27
69.30.211.2 attackspam
Automatic report - Banned IP Access
2019-07-24 19:12:18
138.0.189.237 attack
$f2bV_matches
2019-07-24 19:31:50
109.104.173.46 attackspam
Invalid user avis from 109.104.173.46 port 40384
2019-07-24 19:01:44

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