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: IANA Special-Purpose Address

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 <<>> 172.20.56.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19684
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;172.20.56.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025122501 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Dec 26 13:49:09 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.56.20.172.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.56.20.172.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
54.215.27.43 attackbotsspam
Aug 21 17:03:26 localhost sshd[932738]: Connection closed by 54.215.27.43 port 48868 [preauth]
...
2020-08-21 19:13:11
45.95.168.130 attackbots
serveres are UTC -0400
Lines containing failures of 45.95.168.130
Aug 20 16:10:41 tux2 sshd[20045]: Did not receive identification string from 45.95.168.130 port 48926
Aug 20 16:10:58 tux2 sshd[20055]: Failed password for r.r from 45.95.168.130 port 37620 ssh2
Aug 20 16:10:58 tux2 sshd[20055]: Received disconnect from 45.95.168.130 port 37620:11: Normal Shutdown, Thank you for playing [preauth]
Aug 20 16:10:58 tux2 sshd[20055]: Disconnected from authenticating user r.r 45.95.168.130 port 37620 [preauth]
Aug 20 16:11:12 tux2 sshd[20079]: Failed password for r.r from 45.95.168.130 port 39680 ssh2
Aug 20 16:11:13 tux2 sshd[20079]: Received disconnect from 45.95.168.130 port 39680:11: Normal Shutdown, Thank you for playing [preauth]
Aug 20 16:11:13 tux2 sshd[20079]: Disconnected from authenticating user r.r 45.95.168.130 port 39680 [preauth]
Aug 20 16:12:43 tux2 sshd[20156]: Failed password for r.r from 45.95.168.130 port 51830 ssh2
Aug 20 16:12:43 tux2 sshd[20156]: Received........
------------------------------
2020-08-21 19:30:23
200.150.71.22 attackbotsspam
SSH brute force attempt
2020-08-21 19:34:49
201.122.102.21 attackspambots
SSH bruteforce
2020-08-21 19:14:02
168.232.15.162 attack
Automatic report - Banned IP Access
2020-08-21 19:38:57
187.163.39.6 attackspam
Automatic report - Port Scan Attack
2020-08-21 19:22:23
195.3.147.47 attackspambots
Cowrie Honeypot: Unauthorised SSH/Telnet login attempt with user "root" at 2020-08-21T10:15:07Z
2020-08-21 19:14:19
81.91.87.39 attackbots
20 attempts against mh-ssh on cloud
2020-08-21 19:27:31
3.20.227.121 attackspam
Invalid user support from 3.20.227.121 port 44644
2020-08-21 19:07:58
96.127.179.156 attack
Aug 21 08:44:35 ovpn sshd\[10755\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=96.127.179.156  user=root
Aug 21 08:44:38 ovpn sshd\[10755\]: Failed password for root from 96.127.179.156 port 40890 ssh2
Aug 21 09:02:52 ovpn sshd\[15253\]: Invalid user job from 96.127.179.156
Aug 21 09:02:52 ovpn sshd\[15253\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=96.127.179.156
Aug 21 09:02:54 ovpn sshd\[15253\]: Failed password for invalid user job from 96.127.179.156 port 39694 ssh2
2020-08-21 19:28:23
94.176.187.142 attack
(Aug 21)  LEN=48 TTL=114 ID=1170 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 21)  LEN=48 TTL=117 ID=14330 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 21)  LEN=48 TTL=114 ID=8917 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 21)  LEN=48 TTL=117 ID=32005 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 21)  LEN=48 TTL=114 ID=2434 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 21)  LEN=48 TTL=117 ID=26907 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=48 TTL=117 ID=29517 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=48 TTL=117 ID=24429 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=48 TTL=117 ID=24753 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=48 TTL=114 ID=20757 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=52 TTL=114 ID=14688 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=52 TTL=114 ID=26667 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=52 TTL=117 ID=8887 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 20)  LEN=52 TTL=117 ID=1456 DF TCP DPT=445 WINDOW=8192 SYN 
 (Aug 19)  LEN=52 TTL=117 ID=4874 DF TCP DPT=445 WINDOW=8192 SYN 
 ...
2020-08-21 19:28:48
49.232.45.64 attack
Aug 21 00:10:53 php1 sshd\[6780\]: Invalid user test2 from 49.232.45.64
Aug 21 00:10:53 php1 sshd\[6780\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.45.64
Aug 21 00:10:55 php1 sshd\[6780\]: Failed password for invalid user test2 from 49.232.45.64 port 37720 ssh2
Aug 21 00:16:31 php1 sshd\[7196\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.45.64  user=root
Aug 21 00:16:33 php1 sshd\[7196\]: Failed password for root from 49.232.45.64 port 40542 ssh2
2020-08-21 19:41:14
179.6.46.138 attackspambots
1597981784 - 08/21/2020 05:49:44 Host: 179.6.46.138/179.6.46.138 Port: 445 TCP Blocked
2020-08-21 19:37:16
111.230.233.91 attack
$f2bV_matches
2020-08-21 19:36:18
78.68.121.111 attackspam
Telnet Honeypot -> Telnet Bruteforce / Login
2020-08-21 19:25:02

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