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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.72.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2497
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.72.172.			IN	A

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

;; Query time: 153 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:50:45 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 172.72.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.72.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
54.37.20.138 attackspam
detected by Fail2Ban
2020-03-31 21:20:44
157.36.47.82 attackbotsspam
1433/tcp
[2020-03-31]1pkt
2020-03-31 22:08:45
123.181.58.198 attackspambots
23/tcp 23/tcp 23/tcp...
[2020-03-31]4pkt,1pt.(tcp)
2020-03-31 21:37:51
101.109.83.140 attackbots
Mar 31 09:07:38 ny01 sshd[15731]: Failed password for root from 101.109.83.140 port 48862 ssh2
Mar 31 09:12:27 ny01 sshd[16264]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.109.83.140
Mar 31 09:12:29 ny01 sshd[16264]: Failed password for invalid user rhdan from 101.109.83.140 port 59636 ssh2
2020-03-31 21:36:46
93.159.230.28 attackbotsspam
Unauthorized access detected from black listed ip!
2020-03-31 21:38:21
178.62.33.138 attack
Mar 31 03:02:52 web1 sshd\[13720\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.33.138  user=root
Mar 31 03:02:53 web1 sshd\[13720\]: Failed password for root from 178.62.33.138 port 37512 ssh2
Mar 31 03:06:16 web1 sshd\[14087\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.33.138  user=root
Mar 31 03:06:18 web1 sshd\[14087\]: Failed password for root from 178.62.33.138 port 39474 ssh2
Mar 31 03:09:53 web1 sshd\[14552\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.33.138  user=root
2020-03-31 21:39:33
132.248.96.3 attackspam
Invalid user vgs from 132.248.96.3 port 36108
2020-03-31 21:20:12
94.191.120.108 attack
B: Abusive ssh attack
2020-03-31 21:59:02
139.228.17.224 attackspam
139/tcp
[2020-03-31]1pkt
2020-03-31 21:18:58
62.210.219.71 attackbots
Mar 31 14:36:39 vps647732 sshd[29075]: Failed password for root from 62.210.219.71 port 55138 ssh2
...
2020-03-31 21:52:34
178.176.167.169 attackspam
445/tcp
[2020-03-31]1pkt
2020-03-31 21:39:03
148.153.12.213 attackspambots
1433/tcp
[2020-03-31]1pkt
2020-03-31 21:45:19
94.102.49.168 attack
Mar 31 15:21:10 debian-2gb-nbg1-2 kernel: \[7919923.112587\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.49.168 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=54651 PROTO=TCP SPT=50928 DPT=15930 WINDOW=1024 RES=0x00 SYN URGP=0
2020-03-31 21:34:48
189.80.247.194 attackspam
Honeypot attack, port: 445, PTR: 18980247194.user.veloxzone.com.br.
2020-03-31 21:16:35
125.162.92.70 attackbotsspam
Invalid user gsqc from 125.162.92.70 port 51902
2020-03-31 21:58:49

Recently Reported IPs

104.21.72.171 104.21.72.173 104.21.72.177 104.21.72.174
104.21.72.175 104.21.72.18 104.21.72.180 104.21.72.178
104.21.72.181 104.21.72.176 104.21.72.183 104.21.72.182
104.21.72.184 104.21.72.186 104.21.72.187 104.21.72.188
104.21.72.185 104.21.72.190 104.21.72.197 104.21.72.19