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 <<>> 21.142.51.0
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61735
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.142.51.0.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021902 1800 900 604800 86400

;; Query time: 40 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 20 09:41:14 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 0.51.142.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 0.51.142.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
149.202.46.209 attackbotsspam
Trying ports that it shouldn't be.
2019-08-24 06:55:18
193.112.250.215 attackbots
Aug 23 18:13:15 xeon sshd[53798]: Failed password for invalid user ubuntu from 193.112.250.215 port 56790 ssh2
2019-08-24 06:47:29
178.88.115.126 attackbots
Aug 23 11:23:16 hanapaa sshd\[2439\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.88.115.126  user=root
Aug 23 11:23:18 hanapaa sshd\[2439\]: Failed password for root from 178.88.115.126 port 55108 ssh2
Aug 23 11:27:54 hanapaa sshd\[2851\]: Invalid user catherine from 178.88.115.126
Aug 23 11:27:54 hanapaa sshd\[2851\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.88.115.126
Aug 23 11:27:55 hanapaa sshd\[2851\]: Failed password for invalid user catherine from 178.88.115.126 port 43414 ssh2
2019-08-24 07:18:50
165.227.140.123 attack
frenzy
2019-08-24 06:47:56
59.120.19.40 attack
SSH Brute-Force reported by Fail2Ban
2019-08-24 07:02:21
196.179.234.98 attackspam
Invalid user mythtv from 196.179.234.98 port 42688
2019-08-24 07:01:22
51.75.27.254 attackbotsspam
Automatic report - Banned IP Access
2019-08-24 07:05:15
106.52.251.166 attackspam
Aug 23 12:53:51 lcdev sshd\[19950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.251.166  user=root
Aug 23 12:53:54 lcdev sshd\[19950\]: Failed password for root from 106.52.251.166 port 43826 ssh2
Aug 23 12:58:40 lcdev sshd\[20383\]: Invalid user plex from 106.52.251.166
Aug 23 12:58:40 lcdev sshd\[20383\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.251.166
Aug 23 12:58:42 lcdev sshd\[20383\]: Failed password for invalid user plex from 106.52.251.166 port 59088 ssh2
2019-08-24 07:01:53
58.21.255.140 attackspambots
60001/tcp 23/tcp 60001/tcp
[2019-08-21/22]3pkt
2019-08-24 07:12:27
113.194.90.28 attackspam
Aug 23 20:38:26 docs sshd\[63887\]: Invalid user aaaaa from 113.194.90.28Aug 23 20:38:28 docs sshd\[63887\]: Failed password for invalid user aaaaa from 113.194.90.28 port 59338 ssh2Aug 23 20:42:36 docs sshd\[63954\]: Invalid user hadoop from 113.194.90.28Aug 23 20:42:39 docs sshd\[63954\]: Failed password for invalid user hadoop from 113.194.90.28 port 35146 ssh2Aug 23 20:46:46 docs sshd\[64026\]: Invalid user xerox from 113.194.90.28Aug 23 20:46:48 docs sshd\[64026\]: Failed password for invalid user xerox from 113.194.90.28 port 39190 ssh2
...
2019-08-24 06:51:26
82.138.9.11 attackbots
SSH bruteforce (Triggered fail2ban)
2019-08-24 06:41:59
12.2.202.77 attack
TCP/445
2019-08-24 06:59:47
201.49.110.210 attack
Invalid user ard from 201.49.110.210 port 59632
2019-08-24 07:14:12
177.125.58.145 attackspambots
Aug 23 18:00:00 aat-srv002 sshd[25618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.125.58.145
Aug 23 18:00:02 aat-srv002 sshd[25618]: Failed password for invalid user emil from 177.125.58.145 port 52383 ssh2
Aug 23 18:04:55 aat-srv002 sshd[25772]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.125.58.145
Aug 23 18:04:57 aat-srv002 sshd[25772]: Failed password for invalid user surya from 177.125.58.145 port 49463 ssh2
...
2019-08-24 07:09:12
120.197.97.27 attackspambots
53413/udp 53413/udp 53413/udp...
[2019-06-22/08-23]942pkt,1pt.(udp)
2019-08-24 07:22:29

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