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 <<>> 104.211.100.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8756
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.211.100.21.			IN	A

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

;; Query time: 67 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:39:39 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 21.100.211.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.100.211.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.251.4.110 attackspam
firewall-block, port(s): 1433/tcp
2020-01-02 15:14:30
116.62.144.124 attackspam
Unauthorised access (Jan  2) SRC=116.62.144.124 LEN=40 TTL=239 ID=64573 TCP DPT=445 WINDOW=1024 SYN
2020-01-02 15:11:04
69.94.144.39 attackbotsspam
Autoban   69.94.144.39 AUTH/CONNECT
2020-01-02 14:55:54
222.186.175.182 attackspam
$f2bV_matches
2020-01-02 15:05:20
218.92.0.172 attackbotsspam
Jan  2 07:43:30 solowordpress sshd[6101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.172  user=root
Jan  2 07:43:32 solowordpress sshd[6101]: Failed password for root from 218.92.0.172 port 21626 ssh2
...
2020-01-02 15:07:47
187.63.73.56 attackspam
$f2bV_matches
2020-01-02 15:20:02
201.49.127.212 attackbots
Jan  2 07:28:14 sd-53420 sshd\[3896\]: Invalid user draxl from 201.49.127.212
Jan  2 07:28:14 sd-53420 sshd\[3896\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.49.127.212
Jan  2 07:28:15 sd-53420 sshd\[3896\]: Failed password for invalid user draxl from 201.49.127.212 port 52070 ssh2
Jan  2 07:30:42 sd-53420 sshd\[4687\]: Invalid user jaeger from 201.49.127.212
Jan  2 07:30:42 sd-53420 sshd\[4687\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.49.127.212
...
2020-01-02 14:45:12
167.99.104.28 attack
Automatic report - XMLRPC Attack
2020-01-02 14:45:57
198.211.116.95 attackspambots
2020-01-02T06:50:30.974013homeassistant sshd[29436]: Invalid user mullane from 198.211.116.95 port 42294
2020-01-02T06:50:30.980583homeassistant sshd[29436]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.211.116.95
...
2020-01-02 15:00:21
190.187.104.146 attackspambots
Jan  2 02:57:55 firewall sshd[5755]: Invalid user llllll from 190.187.104.146
Jan  2 02:57:57 firewall sshd[5755]: Failed password for invalid user llllll from 190.187.104.146 port 56544 ssh2
Jan  2 03:03:32 firewall sshd[5829]: Invalid user sh from 190.187.104.146
...
2020-01-02 14:27:06
86.108.8.63 attack
Automatic report - Banned IP Access
2020-01-02 15:02:46
144.76.2.149 attack
Time:     Thu Jan  2 03:23:35 2020 -0300
IP:       144.76.2.149 (DE/Germany/static.149.2.76.144.clients.your-server.de)
Failures: 5 (mod_security)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-01-02 15:10:11
202.79.36.155 attackbotsspam
1577941063 - 01/02/2020 05:57:43 Host: 202.79.36.155/202.79.36.155 Port: 445 TCP Blocked
2020-01-02 14:26:49
222.186.52.189 attackbots
Jan  2 07:30:38 MK-Soft-Root1 sshd[28625]: Failed password for root from 222.186.52.189 port 13229 ssh2
Jan  2 07:30:40 MK-Soft-Root1 sshd[28625]: Failed password for root from 222.186.52.189 port 13229 ssh2
...
2020-01-02 14:44:07
157.119.117.77 attackbotsspam
Unauthorized connection attempt detected from IP address 157.119.117.77 to port 445
2020-01-02 14:51:52

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