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 <<>> 104.21.8.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 16253
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.8.253.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:00:13 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 253.8.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.8.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.247.131.96 attackbots
Apr 26 15:19:28 legacy sshd[30365]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.131.96
Apr 26 15:19:29 legacy sshd[30365]: Failed password for invalid user qian from 49.247.131.96 port 40150 ssh2
Apr 26 15:22:46 legacy sshd[30432]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.131.96
...
2020-04-26 22:03:22
175.6.62.8 attackspam
Apr 26 15:45:31 pkdns2 sshd\[29546\]: Invalid user toor from 175.6.62.8Apr 26 15:45:32 pkdns2 sshd\[29546\]: Failed password for invalid user toor from 175.6.62.8 port 55824 ssh2Apr 26 15:46:47 pkdns2 sshd\[29582\]: Failed password for root from 175.6.62.8 port 60656 ssh2Apr 26 15:47:52 pkdns2 sshd\[29617\]: Invalid user cbs from 175.6.62.8Apr 26 15:47:54 pkdns2 sshd\[29617\]: Failed password for invalid user cbs from 175.6.62.8 port 37256 ssh2Apr 26 15:49:03 pkdns2 sshd\[29667\]: Invalid user kamonwan from 175.6.62.8Apr 26 15:49:04 pkdns2 sshd\[29667\]: Failed password for invalid user kamonwan from 175.6.62.8 port 42088 ssh2
...
2020-04-26 21:59:56
114.237.109.109 attack
SpamScore above: 10.0
2020-04-26 22:21:44
89.248.172.67 attackspambots
This IP is associated with RDP abuse. It was found in a paste by https://twitter.com/RdpSnitch - https://pastebin.com/4Ddmuksx  
For more information, or to report interesting/incorrect findings, contact us - bot@tines.io
2020-04-26 21:57:17
222.186.173.238 attackbots
web-1 [ssh] SSH Attack
2020-04-26 22:20:13
106.53.5.85 attackspam
Apr 26 17:50:06 gw1 sshd[1414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.53.5.85
Apr 26 17:50:09 gw1 sshd[1414]: Failed password for invalid user dom from 106.53.5.85 port 36234 ssh2
...
2020-04-26 22:16:58
106.201.41.234 attack
invalid user
2020-04-26 22:41:01
192.241.175.48 attackbots
Apr 26 18:17:37 gw1 sshd[2647]: Failed password for root from 192.241.175.48 port 33612 ssh2
Apr 26 18:22:57 gw1 sshd[2851]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.241.175.48
...
2020-04-26 22:23:50
110.229.220.122 attack
my website https://theholywrit.com saved this information about a website visitor - index.php?s=index/%5Cthink%5Capp/invokefunction&function=call_user_func_array&vars%5B0%5D=phpinfo&vars%5B1%5D%5B%5D=1 - ThinkPHP attack?
2020-04-26 22:33:58
89.163.132.37 attackbots
Apr 26 15:40:35 vps sshd[262477]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=rs003578.fastrootserver.de  user=root
Apr 26 15:40:38 vps sshd[262477]: Failed password for root from 89.163.132.37 port 38564 ssh2
Apr 26 15:44:45 vps sshd[279893]: Invalid user admin from 89.163.132.37 port 44499
Apr 26 15:44:45 vps sshd[279893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=rs003578.fastrootserver.de
Apr 26 15:44:47 vps sshd[279893]: Failed password for invalid user admin from 89.163.132.37 port 44499 ssh2
...
2020-04-26 22:04:25
209.159.158.251 attackbots
(smtpauth) Failed SMTP AUTH login from 209.159.158.251 (US/United States/aoli1.com): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-04-26 16:32:44 login authenticator failed for (ADMIN) [209.159.158.251]: 535 Incorrect authentication data (set_id=test@cakerozina.ir)
2020-04-26 22:29:05
83.233.120.250 attackspambots
2020-04-26T22:23:46.794564vivaldi2.tree2.info sshd[15049]: Invalid user abuse from 83.233.120.250
2020-04-26T22:23:46.809557vivaldi2.tree2.info sshd[15049]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83-233-120-250.cust.bredband2.com
2020-04-26T22:23:46.794564vivaldi2.tree2.info sshd[15049]: Invalid user abuse from 83.233.120.250
2020-04-26T22:23:48.686478vivaldi2.tree2.info sshd[15049]: Failed password for invalid user abuse from 83.233.120.250 port 51662 ssh2
2020-04-26T22:27:59.863708vivaldi2.tree2.info sshd[15216]: Invalid user lan from 83.233.120.250
...
2020-04-26 21:57:31
189.37.67.215 attackbots
Unauthorized connection attempt from IP address 189.37.67.215 on Port 445(SMB)
2020-04-26 22:10:51
128.199.93.83 attackbots
This IP is associated with RDP abuse. It was found in a paste by https://twitter.com/RdpSnitch - https://pastebin.com/4Ddmuksx  
For more information, or to report interesting/incorrect findings, contact us - bot@tines.io
2020-04-26 21:55:49
170.106.64.65 attackspambots
26-4-2020 13:40:40	Unauthorized connection attempt (Brute-Force).
26-4-2020 13:40:40	Connection from IP address: 170.106.64.65 on port: 995


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=170.106.64.65
2020-04-26 22:29:51

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