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 <<>> 104.21.81.129
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19381
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.129.			IN	A

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

;; Query time: 73 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:04 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 129.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 129.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.232.121.52 attackspam
Unauthorized connection attempt from IP address 77.232.121.52 on Port 445(SMB)
2020-02-11 19:56:51
101.227.59.50 attack
1581396592 - 02/11/2020 05:49:52 Host: 101.227.59.50/101.227.59.50 Port: 445 TCP Blocked
2020-02-11 19:48:45
62.122.137.150 attackbots
xmlrpc attack
2020-02-11 19:35:46
123.184.16.66 attackspambots
firewall-block, port(s): 6378/tcp
2020-02-11 19:31:21
118.169.241.118 attackspam
WEB SPAM: 【揚歌-教學麥克風直營店】官方線上購物網站─JM-180B有線麥克風擴音器│無線麥克風擴音器│揚歌小蜜蜂│專營教學麥克風及教學擴音器 
 
https://mic-shop.com/
2020-02-11 20:01:25
200.250.2.242 attackbotsspam
1581422496 - 02/11/2020 13:01:36 Host: 200.250.2.242/200.250.2.242 Port: 445 TCP Blocked
2020-02-11 20:02:41
58.56.33.221 attackspam
Feb 11 06:53:26 legacy sshd[23866]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.33.221
Feb 11 06:53:27 legacy sshd[23866]: Failed password for invalid user qst from 58.56.33.221 port 60151 ssh2
Feb 11 06:58:05 legacy sshd[24163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.56.33.221
...
2020-02-11 19:44:32
128.14.137.179 attackbots
firewall-block, port(s): 8081/tcp
2020-02-11 19:19:20
77.222.85.208 attackspambots
Honeypot attack, port: 445, PTR: exchanges01.weserve.nl.
2020-02-11 19:54:30
103.76.21.181 attackbotsspam
$f2bV_matches
2020-02-11 19:51:31
177.139.245.189 attack
Honeypot attack, port: 445, PTR: 177-139-245-189.dsl.telesp.net.br.
2020-02-11 19:59:38
113.182.23.248 attackbots
Honeypot attack, port: 445, PTR: static.vnpt.vn.
2020-02-11 19:43:17
89.248.168.217 attackbots
89.248.168.217 was recorded 22 times by 13 hosts attempting to connect to the following ports: 6886,6656,6481. Incident counter (4h, 24h, all-time): 22, 149, 18017
2020-02-11 19:57:47
14.241.120.114 attackspambots
1581396610 - 02/11/2020 05:50:10 Host: 14.241.120.114/14.241.120.114 Port: 445 TCP Blocked
2020-02-11 19:30:45
113.173.191.236 attackspambots
2020-02-1105:49:241j1NUC-0007Pi-1R\<=verena@rs-solution.chH=\(localhost\)[14.228.122.132]:49198P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2571id=B5B006555E8AA417CBCE873FCBEA30BA@rs-solution.chT="\;\)behappytoreceiveyouranswerorchatwithyou..."for20230237@student.nths.netcitizendude67@yahoo.com2020-02-1105:48:441j1NTX-0007NN-Ml\<=verena@rs-solution.chH=\(localhost\)[14.186.59.233]:34094P=esmtpsaX=TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:verena@rs-solution.chS=2547id=5055E3B0BB6F41F22E2B62DA2E462FD0@rs-solution.chT="\;\)bedelightedtoreceiveyouranswer\
2020-02-11 19:46:37

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