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 <<>> 172.121.142.5
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32407
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;172.121.142.5.			IN	A

;; AUTHORITY SECTION:
.			500	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021300 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 13 15:08:22 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 5.142.121.172.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 5.142.121.172.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Mar 21 19:27:13 sigma sshd\[14198\]: Invalid user illya from 120.70.98.195Mar 21 19:27:15 sigma sshd\[14198\]: Failed password for invalid user illya from 120.70.98.195 port 48819 ssh2
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Mar 21 19:41:56 prox sshd[16797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.82.108.224 
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2020-03-22 04:19:01
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2020-03-22 04:29:36
106.12.216.237 attack
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Mar 22 03:16:43 itv-usvr-01 sshd[15297]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.216.237
Mar 22 03:16:43 itv-usvr-01 sshd[15297]: Invalid user nexus from 106.12.216.237
Mar 22 03:16:45 itv-usvr-01 sshd[15297]: Failed password for invalid user nexus from 106.12.216.237 port 55160 ssh2
Mar 22 03:20:10 itv-usvr-01 sshd[15422]: Invalid user admin1 from 106.12.216.237
2020-03-22 04:44:39
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...
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Mar 22 02:54:33 webhost01 sshd[556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.4.225.31
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...
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2020-03-22 04:21:00

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