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 <<>> 142.171.51.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13843
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;142.171.51.99.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025013000 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jan 30 14:41:49 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 99.51.171.142.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 99.51.171.142.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.17.64.77 attack
(sshd) Failed SSH login from 79.17.64.77 (IT/Italy/host-79-17-64-77.retail.telecomitalia.it): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jun 30 14:22:20 grace sshd[28572]: Invalid user lkj from 79.17.64.77 port 47834
Jun 30 14:22:22 grace sshd[28572]: Failed password for invalid user lkj from 79.17.64.77 port 47834 ssh2
Jun 30 14:29:40 grace sshd[29404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.17.64.77  user=root
Jun 30 14:29:42 grace sshd[29404]: Failed password for root from 79.17.64.77 port 42418 ssh2
Jun 30 14:34:42 grace sshd[30215]: Invalid user dummy from 79.17.64.77 port 42288
2020-07-01 10:44:30
124.10.144.10 attackspam
Honeypot attack, port: 81, PTR: 124-10-144-10.static.tfn.net.tw.
2020-07-01 12:04:26
81.94.255.12 attack
Invalid user tang from 81.94.255.12 port 57352
2020-07-01 10:51:27
68.116.41.6 attackbotsspam
Brute-force attempt banned
2020-07-01 12:21:03
145.239.188.66 attackspambots
...
2020-07-01 10:36:10
92.63.196.25 attack
ET CINS Active Threat Intelligence Poor Reputation IP group 84 - port: 56114 proto: TCP cat: Misc Attack
2020-07-01 10:37:51
79.11.226.212 attackspam
Unauthorized connection attempt detected from IP address 79.11.226.212 to port 88
2020-07-01 12:02:05
176.126.167.167 attackspambots
SSH / Telnet Brute Force Attempts on Honeypot
2020-07-01 10:45:00
20.50.126.86 attack
Jun 30 17:58:23 ajax sshd[2261]: Failed password for root from 20.50.126.86 port 27772 ssh2
2020-07-01 12:30:35
220.130.81.73 attackspam
unauthorized connection attempt
2020-07-01 12:27:30
45.134.147.182 attack
Invalid user oracle from 45.134.147.182 port 50586
2020-07-01 12:02:26
218.156.38.158 attackspambots
firewall-block, port(s): 23/tcp
2020-07-01 12:04:58
195.122.226.164 attack
2020-06-30T19:26:43+0200 Failed SSH Authentication/Brute Force Attack. (Server 10)
2020-07-01 10:41:24
185.156.73.52 attack
06/30/2020-13:24:38.504902 185.156.73.52 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-07-01 12:36:31
147.135.253.94 attack
VoIP Brute Force - 147.135.253.94 - Auto Report
...
2020-07-01 12:17:25

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