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: None

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 <<>> 104.18.21.101
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52354
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.101.			IN	A

;; AUTHORITY SECTION:
.			118	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:22:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 101.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 101.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
217.79.178.53 attack
CMS (WordPress or Joomla) login attempt.
2020-10-05 20:01:29
2001:4451:9c5:d900:dc64:3c45:bcd7:44d6 attackspambots
Using invalid usernames to login. Used 'admin'
2020-10-05 19:37:07
159.65.119.25 attackbotsspam
Oct  5 12:06:54 ns3164893 sshd[2057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.119.25  user=root
Oct  5 12:06:56 ns3164893 sshd[2057]: Failed password for root from 159.65.119.25 port 43112 ssh2
...
2020-10-05 20:03:17
200.175.180.116 attack
Oct  5 11:09:23 santamaria sshd\[22961\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.175.180.116  user=root
Oct  5 11:09:26 santamaria sshd\[22961\]: Failed password for root from 200.175.180.116 port 38395 ssh2
Oct  5 11:13:50 santamaria sshd\[23007\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.175.180.116  user=root
...
2020-10-05 19:53:44
183.47.14.74 attack
This client attempted to login to an administrator account on a Website, or abused from another resource.
2020-10-05 19:40:01
190.237.114.10 attack
port
2020-10-05 19:32:57
81.37.31.161 attackspam
Lines containing failures of 81.37.31.161
Oct  4 22:25:02 dns01 sshd[28623]: Did not receive identification string from 81.37.31.161 port 61620
Oct  4 22:25:05 dns01 sshd[28625]: Invalid user sniffer from 81.37.31.161 port 62012
Oct  4 22:25:05 dns01 sshd[28625]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.37.31.161
Oct  4 22:25:07 dns01 sshd[28625]: Failed password for invalid user sniffer from 81.37.31.161 port 62012 ssh2
Oct  4 22:25:07 dns01 sshd[28625]: Connection closed by invalid user sniffer 81.37.31.161 port 62012 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=81.37.31.161
2020-10-05 20:12:21
140.143.189.29 attack
(sshd) Failed SSH login from 140.143.189.29 (CN/China/-/-/-/[AS45090 Shenzhen Tencent Computer Systems Company Limited]): 10 in the last 3600 secs
2020-10-05 19:40:23
122.51.199.173 attack
Oct  5 11:53:36 marvibiene sshd[11715]: Failed password for root from 122.51.199.173 port 44696 ssh2
Oct  5 12:11:31 marvibiene sshd[12989]: Failed password for root from 122.51.199.173 port 36350 ssh2
2020-10-05 19:48:12
52.188.60.96 attackspam
2× attempts to log on to WP. However, we do not use WP. Last visit 2020-10-04 08:49:33
2020-10-05 19:33:40
79.118.112.74 attackspam
Listed on    abuseat.org plus zen-spamhaus   / proto=6  .  srcport=29703  .  dstport=5555  .     (3487)
2020-10-05 19:37:36
222.186.30.76 attackspam
05.10.2020 12:05:22 SSH access blocked by firewall
2020-10-05 20:14:43
112.85.42.180 attack
Oct  5 12:28:30 mavik sshd[22879]: Failed password for root from 112.85.42.180 port 51615 ssh2
Oct  5 12:28:34 mavik sshd[22879]: Failed password for root from 112.85.42.180 port 51615 ssh2
Oct  5 12:28:36 mavik sshd[22879]: Failed password for root from 112.85.42.180 port 51615 ssh2
Oct  5 12:28:40 mavik sshd[22879]: Failed password for root from 112.85.42.180 port 51615 ssh2
Oct  5 12:28:43 mavik sshd[22879]: Failed password for root from 112.85.42.180 port 51615 ssh2
...
2020-10-05 19:38:23
113.87.167.84 attackbots
2020-10-04T21:14:13.307332shield sshd\[19281\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.87.167.84  user=root
2020-10-04T21:14:15.559620shield sshd\[19281\]: Failed password for root from 113.87.167.84 port 58532 ssh2
2020-10-04T21:15:59.430929shield sshd\[19503\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.87.167.84  user=root
2020-10-04T21:16:01.568115shield sshd\[19503\]: Failed password for root from 113.87.167.84 port 50858 ssh2
2020-10-04T21:17:43.635320shield sshd\[19759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.87.167.84  user=root
2020-10-05 19:30:51
159.89.115.126 attack
Oct  5 10:43:48 sip sshd[1822675]: Failed password for root from 159.89.115.126 port 59322 ssh2
Oct  5 10:47:23 sip sshd[1822722]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.89.115.126  user=root
Oct  5 10:47:25 sip sshd[1822722]: Failed password for root from 159.89.115.126 port 36834 ssh2
...
2020-10-05 19:59:28

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