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 <<>> 104.21.79.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43759
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.79.21.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:58:46 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.79.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.79.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
62.210.162.128 attackbots
*Port Scan* detected from 62.210.162.128 (FR/France/62-210-162-128.rev.poneytelecom.eu). 4 hits in the last 200 seconds
2019-07-10 12:33:47
95.145.231.4 attack
Automatic report - Banned IP Access
2019-07-10 12:43:17
156.209.159.132 attack
Jul 10 02:25:07 srv-4 sshd\[31497\]: Invalid user admin from 156.209.159.132
Jul 10 02:25:07 srv-4 sshd\[31497\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.209.159.132
Jul 10 02:25:09 srv-4 sshd\[31497\]: Failed password for invalid user admin from 156.209.159.132 port 42770 ssh2
...
2019-07-10 12:33:29
139.59.29.153 attackspambots
ssh failed login
2019-07-10 12:34:19
35.242.149.172 attackbots
Mountain View, United States left http://wheretodonatemoney.com/wp-admin/admin-post.php?yp_remote_get=3 and was blocked by firewall for Yellow Pencil Visual Theme Customizer <= 7.1.9 Arbitrary Options Update in query string: yp_remote_get=3 at https://wheretodonatemoney.com/wp-admin/admin-post.php?yp_remote_get=3
7/7/2019 12:17:20 PM (2 days 19 hours ago)  
IP: 35.242.149.172 Hostname: 172.149.242.35.bc.googleusercontent.com
Human/Bot: Human
Browser: Chrome version 0.0 running on Win7
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36
2019-07-10 12:14:04
168.205.58.73 attackbotsspam
Unauthorised access (Jul 10) SRC=168.205.58.73 LEN=44 TTL=52 ID=21054 TCP DPT=23 WINDOW=36203 SYN
2019-07-10 12:09:28
222.186.15.217 attackspam
19/7/10@00:26:13: FAIL: Alarm-SSH address from=222.186.15.217
...
2019-07-10 12:43:39
117.131.40.208 attackbotsspam
*Port Scan* detected from 117.131.40.208 (CN/China/-). 4 hits in the last 195 seconds
2019-07-10 12:38:18
110.249.214.178 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-10 12:39:39
98.113.203.60 attackspambots
Jul 10 05:07:44 mail sshd[31720]: Invalid user bobby from 98.113.203.60
Jul 10 05:07:44 mail sshd[31720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=98.113.203.60
Jul 10 05:07:44 mail sshd[31720]: Invalid user bobby from 98.113.203.60
Jul 10 05:07:47 mail sshd[31720]: Failed password for invalid user bobby from 98.113.203.60 port 56510 ssh2
Jul 10 05:09:56 mail sshd[31999]: Invalid user techadmin from 98.113.203.60
...
2019-07-10 12:29:16
69.195.124.213 attackbots
MLV GET /wordpress/wp-admin/
2019-07-10 12:25:01
61.163.231.150 attack
failed_logins
2019-07-10 12:24:01
23.254.202.5 attackbots
Jul  9 23:26:42 datentool sshd[15862]: Invalid user oracle from 23.254.202.5
Jul  9 23:26:42 datentool sshd[15862]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.254.202.5 
Jul  9 23:26:44 datentool sshd[15862]: Failed password for invalid user oracle from 23.254.202.5 port 53356 ssh2
Jul  9 23:29:15 datentool sshd[15909]: Invalid user cloud from 23.254.202.5
Jul  9 23:29:15 datentool sshd[15909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.254.202.5 
Jul  9 23:29:17 datentool sshd[15909]: Failed password for invalid user cloud from 23.254.202.5 port 46606 ssh2
Jul  9 23:31:27 datentool sshd[15924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.254.202.5  user=bin
Jul  9 23:31:29 datentool sshd[15924]: Failed password for bin from 23.254.202.5 port 35960 ssh2
Jul  9 23:33:35 datentool sshd[15939]: Invalid user sdtdserver from 23.254.20........
-------------------------------
2019-07-10 12:51:48
180.231.45.132 attackbotsspam
Jul 10 02:25:09 debian sshd\[4919\]: Invalid user sandeep from 180.231.45.132 port 60158
Jul 10 02:25:09 debian sshd\[4919\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.231.45.132
...
2019-07-10 12:11:11
212.83.145.12 attackspam
\[2019-07-10 00:25:36\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-10T00:25:36.386-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="999842011972592277524",SessionID="0x7f02f98e5508",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/61775",ACLName="no_extension_match"
\[2019-07-10 00:28:51\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-10T00:28:51.922-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="999843011972592277524",SessionID="0x7f02f8994028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/56549",ACLName="no_extension_match"
\[2019-07-10 00:32:06\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-10T00:32:06.267-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="999844011972592277524",SessionID="0x7f02f98e5508",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/5
2019-07-10 12:41:15

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