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 of America (the)

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 <<>> 50.51.20.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15947
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;50.51.20.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020901 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 10 10:40:19 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 21.20.51.50.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.20.51.50.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
202.168.71.146 attackbots
Invalid user backuppc from 202.168.71.146 port 37442
2020-05-27 05:36:15
134.175.8.54 attack
May 26 20:00:56 cdc sshd[29679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.8.54  user=nobody
May 26 20:00:58 cdc sshd[29679]: Failed password for invalid user nobody from 134.175.8.54 port 49064 ssh2
2020-05-27 05:55:41
20.43.32.253 attackspambots
"Test Inject  un'a=0"
2020-05-27 05:28:12
185.220.101.251 attack
0,55-01/02 [bc01/m19] PostRequest-Spammer scoring: essen
2020-05-27 05:28:33
187.140.120.14 attackbotsspam
leo_www
2020-05-27 05:34:42
112.85.42.178 attackspambots
2020-05-26T23:38:33.027961sd-86998 sshd[30814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.178  user=root
2020-05-26T23:38:35.186930sd-86998 sshd[30814]: Failed password for root from 112.85.42.178 port 14686 ssh2
2020-05-26T23:38:38.507710sd-86998 sshd[30814]: Failed password for root from 112.85.42.178 port 14686 ssh2
2020-05-26T23:38:33.027961sd-86998 sshd[30814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.178  user=root
2020-05-26T23:38:35.186930sd-86998 sshd[30814]: Failed password for root from 112.85.42.178 port 14686 ssh2
2020-05-26T23:38:38.507710sd-86998 sshd[30814]: Failed password for root from 112.85.42.178 port 14686 ssh2
2020-05-26T23:38:33.027961sd-86998 sshd[30814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.178  user=root
2020-05-26T23:38:35.186930sd-86998 sshd[30814]: Failed password for root from 112.85.
...
2020-05-27 05:42:03
130.61.118.231 attackspambots
...
2020-05-27 05:31:55
45.192.169.19 attackspambots
Brute force attempt
2020-05-27 05:52:30
180.119.94.84 attackbots
(smtpauth) Failed SMTP AUTH login from 180.119.94.84 (CN/China/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-05-26 20:19:37 login authenticator failed for (QMGMhjZI) [180.119.94.84]: 535 Incorrect authentication data (set_id=rd)
2020-05-27 05:26:39
80.211.164.5 attackspambots
May 26 23:21:42 vps sshd[610283]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.164.5  user=root
May 26 23:21:44 vps sshd[610283]: Failed password for root from 80.211.164.5 port 45678 ssh2
May 26 23:26:18 vps sshd[631545]: Invalid user mzo from 80.211.164.5 port 52284
May 26 23:26:18 vps sshd[631545]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.164.5
May 26 23:26:20 vps sshd[631545]: Failed password for invalid user mzo from 80.211.164.5 port 52284 ssh2
...
2020-05-27 06:00:55
62.173.147.229 attackspam
[2020-05-26 17:01:41] NOTICE[1157][C-00009a2d] chan_sip.c: Call from '' (62.173.147.229:51758) to extension '090001116614627706' rejected because extension not found in context 'public'.
[2020-05-26 17:01:41] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-26T17:01:41.273-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="090001116614627706",SessionID="0x7f5f10787a08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.173.147.229/51758",ACLName="no_extension_match"
[2020-05-26 17:04:05] NOTICE[1157][C-00009a2f] chan_sip.c: Call from '' (62.173.147.229:63892) to extension '001001116614627706' rejected because extension not found in context 'public'.
[2020-05-26 17:04:05] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-26T17:04:05.369-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="001001116614627706",SessionID="0x7f5f10678288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAdd
...
2020-05-27 05:23:53
61.177.172.128 attackspam
$f2bV_matches
2020-05-27 05:43:44
217.182.94.110 attackbotsspam
May 26 23:24:11 localhost sshd\[18191\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.94.110  user=root
May 26 23:24:13 localhost sshd\[18191\]: Failed password for root from 217.182.94.110 port 53658 ssh2
May 26 23:26:52 localhost sshd\[18392\]: Invalid user brunnings from 217.182.94.110
May 26 23:26:52 localhost sshd\[18392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.94.110
May 26 23:26:54 localhost sshd\[18392\]: Failed password for invalid user brunnings from 217.182.94.110 port 44974 ssh2
...
2020-05-27 05:58:38
139.59.10.42 attack
Too many connections or unauthorized access detected from Arctic banned ip
2020-05-27 05:58:50
94.16.117.246 attack
Invalid user su from 94.16.117.246 port 52950
2020-05-27 05:57:03

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