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 <<>> 104.21.39.23
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37505
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.23.			IN	A

;; AUTHORITY SECTION:
.			246	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 45 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:40:36 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 23.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 23.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.39.10.124 attackbots
Feb  3 13:06:14 debian-2gb-nbg1-2 kernel: \[2990826.900137\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.39.10.124 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=41847 PROTO=TCP SPT=56005 DPT=17450 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-03 20:12:24
178.45.41.90 attack
Wordpress attack - Attempt to access prohibited URL - wp-login.php
2020-02-03 20:16:43
177.87.230.97 attackspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-03 20:50:56
120.92.138.124 attackspambots
Feb  3 13:07:33 sd-53420 sshd\[11156\]: Invalid user rognlid from 120.92.138.124
Feb  3 13:07:33 sd-53420 sshd\[11156\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.138.124
Feb  3 13:07:35 sd-53420 sshd\[11156\]: Failed password for invalid user rognlid from 120.92.138.124 port 44444 ssh2
Feb  3 13:10:41 sd-53420 sshd\[11621\]: User root from 120.92.138.124 not allowed because none of user's groups are listed in AllowGroups
Feb  3 13:10:41 sd-53420 sshd\[11621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.92.138.124  user=root
...
2020-02-03 20:33:50
45.143.220.190 attack
Attacker & Web scanner ...
2020-02-03 20:39:06
36.80.181.251 attackspambots
02/03/2020-00:01:46.632231 36.80.181.251 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-02-03 20:44:43
170.210.203.201 attackbots
Unauthorized connection attempt detected from IP address 170.210.203.201 to port 2220 [J]
2020-02-03 20:33:22
5.196.226.217 attackspam
Feb  3 12:28:43 server sshd[27821]: Failed password for root from 5.196.226.217 port 59872 ssh2
Feb  3 12:42:01 server sshd[28062]: Failed password for invalid user tester from 5.196.226.217 port 53618 ssh2
Feb  3 12:45:29 server sshd[28188]: Failed password for root from 5.196.226.217 port 55872 ssh2
2020-02-03 20:38:25
41.72.223.201 attackbotsspam
Unauthorized connection attempt detected from IP address 41.72.223.201 to port 2220 [J]
2020-02-03 20:37:01
93.103.103.55 attackbots
Feb  3 06:52:35 ns4 sshd[28071]: Invalid user sarene from 93.103.103.55
Feb  3 06:52:35 ns4 sshd[28071]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93-103-103-55.dynamic.t-2.net 
Feb  3 06:52:37 ns4 sshd[28071]: Failed password for invalid user sarene from 93.103.103.55 port 57587 ssh2
Feb  3 07:02:41 ns4 sshd[29748]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93-103-103-55.dynamic.t-2.net  user=www-data
Feb  3 07:02:43 ns4 sshd[29748]: Failed password for www-data from 93.103.103.55 port 36635 ssh2
Feb  3 07:12:49 ns4 sshd[31192]: Invalid user dragon from 93.103.103.55
Feb  3 07:12:49 ns4 sshd[31192]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93-103-103-55.dynamic.t-2.net 
Feb  3 07:12:52 ns4 sshd[31192]: Failed password for invalid user dragon from 93.103.103.55 port 43913 ssh2
Feb  3 07:22:57 ns4 sshd[306]: pam_unix(sshd:auth): authe........
-------------------------------
2020-02-03 20:19:52
160.153.245.123 attackbots
WordPress login Brute force / Web App Attack on client site.
2020-02-03 20:24:37
36.73.34.144 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-03 20:35:52
118.71.224.140 attack
Unauthorized connection attempt from IP address 118.71.224.140 on Port 445(SMB)
2020-02-03 20:19:38
128.199.138.31 attackbots
...
2020-02-03 20:45:25
103.54.30.36 attack
SSH/22 MH Probe, BF, Hack -
2020-02-03 20:35:23

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