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: China

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 <<>> 121.42.168.145
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7055
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.42.168.145.			IN	A

;; AUTHORITY SECTION:
.			16	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 06:48:13 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 145.168.42.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 145.168.42.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Feb  7 05:55:55 ArkNodeAT sshd\[10262\]: Invalid user tpb from 208.48.167.211
Feb  7 05:55:55 ArkNodeAT sshd\[10262\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.48.167.211
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Feb  7 01:51:14 firewall sshd[25595]: Invalid user soy from 40.126.120.71
Feb  7 01:51:15 firewall sshd[25595]: Failed password for invalid user soy from 40.126.120.71 port 55174 ssh2
Feb  7 01:56:00 firewall sshd[25816]: Invalid user wto from 40.126.120.71
...
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2020-02-07 13:47:03
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2020-02-07 13:57:37

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