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: Korea (the Republic of)

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 <<>> 175.242.240.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31742
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;175.242.240.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012801 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 29 05:58:05 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.240.242.175.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.240.242.175.in-addr.arpa: NXDOMAIN
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222.186.190.17 attack
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Jun 27 23:06:18 dbanaszewski sshd[1790]: Unable to negotiate with 222.186.190.17 port 61440: no matching key exchange method found. Their offer: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
Jun 27 23:07:03 dbanaszewski sshd[1799]: Unable to negotiate with 222.186.190.17 port 33837: no matching key exchange method found. Their offer: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 [preauth]
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51.38.37.89 attack
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51.178.218.162 attack
Jun 27 23:58:13 rotator sshd\[28272\]: Failed password for root from 51.178.218.162 port 38356 ssh2Jun 27 23:58:14 rotator sshd\[28274\]: Invalid user admin from 51.178.218.162Jun 27 23:58:16 rotator sshd\[28274\]: Failed password for invalid user admin from 51.178.218.162 port 51768 ssh2Jun 27 23:58:16 rotator sshd\[28276\]: Invalid user admin from 51.178.218.162Jun 27 23:58:18 rotator sshd\[28276\]: Failed password for invalid user admin from 51.178.218.162 port 36518 ssh2Jun 27 23:58:19 rotator sshd\[28278\]: Invalid user user from 51.178.218.162
...
2020-06-28 05:58:34

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