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 <<>> 104.21.16.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64651
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.72.			IN	A

;; AUTHORITY SECTION:
.			224	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: Thu Feb 17 18:16:17 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.81.142.17 attackbots
MagicSpam Rule: block_rbl_lists (b.barracudacentral.org); Spammer IP: 51.81.142.17
2020-10-09 12:14:43
222.186.180.130 attack
Oct  9 06:21:40 abendstille sshd\[20977\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.130  user=root
Oct  9 06:21:42 abendstille sshd\[20977\]: Failed password for root from 222.186.180.130 port 41235 ssh2
Oct  9 06:21:49 abendstille sshd\[21125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.130  user=root
Oct  9 06:21:51 abendstille sshd\[21125\]: Failed password for root from 222.186.180.130 port 47022 ssh2
Oct  9 06:21:53 abendstille sshd\[21125\]: Failed password for root from 222.186.180.130 port 47022 ssh2
...
2020-10-09 12:27:25
134.122.77.162 attackspambots
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: digified.io.
2020-10-09 12:39:17
45.129.33.5 attackbotsspam
ET DROP Dshield Block Listed Source group 1 - port: 26900 proto: tcp cat: Misc Attackbytes: 60
2020-10-09 12:05:32
54.37.21.211 attackbotsspam
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1861 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1839 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-09 12:41:39
184.105.247.196 attackbotsspam
Automatic report - Banned IP Access
2020-10-09 12:06:36
146.56.201.34 attackspambots
Scanned 3 times in the last 24 hours on port 22
2020-10-09 12:19:35
182.96.47.14 attack
1602190156 - 10/08/2020 22:49:16 Host: 182.96.47.14/182.96.47.14 Port: 445 TCP Blocked
2020-10-09 12:03:15
36.112.134.215 attackbotsspam
Oct  8 20:48:50 *** sshd[9024]: Invalid user laurie from 36.112.134.215
2020-10-09 12:25:21
122.194.229.54 attack
Oct  9 06:03:31 server sshd[26880]: Failed none for root from 122.194.229.54 port 57818 ssh2
Oct  9 06:03:33 server sshd[26880]: Failed password for root from 122.194.229.54 port 57818 ssh2
Oct  9 06:03:37 server sshd[26880]: Failed password for root from 122.194.229.54 port 57818 ssh2
2020-10-09 12:04:36
202.191.132.211 attackbots
Unauthorised access (Oct  8) SRC=202.191.132.211 LEN=40 TTL=241 ID=42790 TCP DPT=1433 WINDOW=1024 SYN
2020-10-09 12:13:09
217.116.26.90 attack
Suspicious access to SMTP/POP/IMAP services.
2020-10-09 12:25:54
139.59.43.196 attack
Automatic report - XMLRPC Attack
2020-10-09 12:11:21
212.70.149.52 attackbotsspam
Oct  9 06:10:54 galaxy event: galaxy/lswi: smtp: alhagi@uni-potsdam.de [212.70.149.52] authentication failure using internet password
Oct  9 06:11:19 galaxy event: galaxy/lswi: smtp: alhambresque@uni-potsdam.de [212.70.149.52] authentication failure using internet password
Oct  9 06:11:45 galaxy event: galaxy/lswi: smtp: ali@uni-potsdam.de [212.70.149.52] authentication failure using internet password
Oct  9 06:12:10 galaxy event: galaxy/lswi: smtp: ali@uni-potsdam.de [212.70.149.52] authentication failure using internet password
Oct  9 06:12:35 galaxy event: galaxy/lswi: smtp: aliakcay@uni-potsdam.de [212.70.149.52] authentication failure using internet password
...
2020-10-09 12:14:19
141.98.81.200 attack
" "
2020-10-09 12:28:11

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