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 <<>> 104.21.71.228
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29231
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.71.228.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:49:49 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 228.71.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 228.71.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
117.85.52.231 attack
lfd: (smtpauth) Failed SMTP AUTH login from 117.85.52.231 (CN/China/231.52.85.117.broad.wx.js.dynamic.163data.com.cn): 5 in the last 3600 secs - Fri Sep  7 22:14:51 2018
2020-09-25 21:26:10
49.235.28.96 attackspam
Sep 25 14:29:15 host sshd[9506]: Invalid user test_ftp from 49.235.28.96 port 55264
...
2020-09-25 21:18:26
141.98.9.165 attack
Sep 25 13:03:44 scw-6657dc sshd[28213]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.9.165
Sep 25 13:03:44 scw-6657dc sshd[28213]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.9.165
Sep 25 13:03:47 scw-6657dc sshd[28213]: Failed password for invalid user user from 141.98.9.165 port 45523 ssh2
...
2020-09-25 21:46:06
182.61.3.119 attackspambots
2020-09-25T11:29:51.179620shield sshd\[2260\]: Invalid user dayz from 182.61.3.119 port 52317
2020-09-25T11:29:51.188279shield sshd\[2260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.3.119
2020-09-25T11:29:52.437244shield sshd\[2260\]: Failed password for invalid user dayz from 182.61.3.119 port 52317 ssh2
2020-09-25T11:35:07.674320shield sshd\[3396\]: Invalid user jim from 182.61.3.119 port 49483
2020-09-25T11:35:07.680987shield sshd\[3396\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.3.119
2020-09-25 21:45:38
218.92.0.223 attack
Tried sshing with brute force.
2020-09-25 21:27:59
61.96.244.193 attackbots
" "
2020-09-25 21:05:24
122.60.56.76 attackspam
122.60.56.76 (NZ/New Zealand/-), 7 distributed sshd attacks on account [user] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 25 10:49:20 server2 sshd[9574]: Invalid user user from 120.227.10.120 port 36652
Sep 25 10:49:26 server2 sshd[9574]: Failed password for invalid user user from 120.227.10.120 port 36652 ssh2
Sep 25 10:37:53 server2 sshd[7514]: Invalid user user from 138.197.12.179 port 59768
Sep 25 11:37:50 server2 sshd[18876]: Invalid user user from 59.22.233.81 port 17081
Sep 25 10:37:55 server2 sshd[7514]: Failed password for invalid user user from 138.197.12.179 port 59768 ssh2
Sep 25 11:23:20 server2 sshd[16334]: Invalid user user from 122.60.56.76 port 44296
Sep 25 11:23:22 server2 sshd[16334]: Failed password for invalid user user from 122.60.56.76 port 44296 ssh2

IP Addresses Blocked:

120.227.10.120 (CN/China/-)
138.197.12.179 (US/United States/-)
59.22.233.81 (KR/South Korea/-)
2020-09-25 21:39:16
104.131.88.115 attack
Invalid user admin from 104.131.88.115 port 46348
2020-09-25 21:17:29
2.57.122.172 attackspambots
TCP port : 3389
2020-09-25 21:07:07
119.45.250.197 attack
"fail2ban match"
2020-09-25 21:16:27
23.97.96.35 attackbotsspam
Found on   Github Combined on 3 lists    / proto=6  .  srcport=56776  .  dstport=29481  .     (1791)
2020-09-25 21:06:10
103.99.2.5 attackbotsspam
lfd: (smtpauth) Failed SMTP AUTH login from 103.99.2.5 (VN/Vietnam/-): 5 in the last 3600 secs - Sat Sep  8 14:30:39 2018
2020-09-25 21:13:31
203.77.68.117 attack
Honeypot attack, port: 5555, PTR: host117.2037768.gcn.net.tw.
2020-09-25 21:44:24
41.58.95.242 attackbots
lfd: (smtpauth) Failed SMTP AUTH login from 41.58.95.242 (-): 5 in the last 3600 secs - Fri Sep  7 16:22:32 2018
2020-09-25 21:24:13
36.65.83.42 attack
Brute force blocker - service: proftpd1, proftpd2 - aantal: 43 - Thu Sep  6 11:10:17 2018
2020-09-25 21:32:15

Recently Reported IPs

104.21.71.224 104.21.71.227 104.21.71.231 104.21.71.229
104.21.71.230 104.21.71.23 104.21.71.237 104.21.71.232
104.21.71.235 104.21.71.234 104.21.71.240 104.21.71.238
104.21.71.243 104.21.71.244 104.21.71.246 104.21.71.245
104.21.71.248 104.21.71.247 104.21.71.249 104.21.71.25