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 <<>> 121.66.5.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30414
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.66.5.75.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020401 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 12:55:00 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 75.5.66.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.5.66.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
209.17.96.74 attack
[N10.H2.VM2] Port Scanner Detected Blocked by UFW
2020-10-03 00:12:16
204.93.157.55 attackbots
15 attempts against mh-modsecurity-ban on thorn
2020-10-03 00:01:43
165.227.114.134 attack
Oct  2 16:56:40 l03 sshd[18090]: Invalid user www from 165.227.114.134 port 50840
...
2020-10-03 00:09:58
128.90.182.123 attack
Oct  2 18:03:30 jane sshd[15038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.90.182.123 
Oct  2 18:03:31 jane sshd[15038]: Failed password for invalid user service from 128.90.182.123 port 59000 ssh2
...
2020-10-03 00:03:47
46.105.31.249 attack
Oct  2 17:15:45 h2779839 sshd[5994]: Invalid user usuario from 46.105.31.249 port 33376
Oct  2 17:15:45 h2779839 sshd[5994]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.31.249
Oct  2 17:15:45 h2779839 sshd[5994]: Invalid user usuario from 46.105.31.249 port 33376
Oct  2 17:15:46 h2779839 sshd[5994]: Failed password for invalid user usuario from 46.105.31.249 port 33376 ssh2
Oct  2 17:20:02 h2779839 sshd[6055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.31.249  user=root
Oct  2 17:20:04 h2779839 sshd[6055]: Failed password for root from 46.105.31.249 port 51364 ssh2
Oct  2 17:24:24 h2779839 sshd[6106]: Invalid user toor from 46.105.31.249 port 41120
Oct  2 17:24:24 h2779839 sshd[6106]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.105.31.249
Oct  2 17:24:24 h2779839 sshd[6106]: Invalid user toor from 46.105.31.249 port 41120
Oct  2 17:24:26 
...
2020-10-02 23:53:20
157.230.42.76 attack
Oct  2 20:18:34 gw1 sshd[12040]: Failed password for root from 157.230.42.76 port 45207 ssh2
...
2020-10-02 23:35:07
81.70.22.3 attack
Port scan denied
2020-10-02 23:41:55
129.126.240.243 attack
[N3.H3.VM3] Port Scanner Detected Blocked by UFW
2020-10-02 23:43:28
212.70.149.83 attackspambots
2964 times SMTP brute-force
2020-10-03 00:13:53
168.232.162.2 attack
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-10-02 23:40:59
211.159.186.152 attackbots
$f2bV_matches
2020-10-03 00:07:44
54.177.211.200 attack
port scan and connect, tcp 23 (telnet)
2020-10-02 23:35:30
161.35.122.197 attackbotsspam
Oct  2 15:28:59 ift sshd\[27936\]: Invalid user b from 161.35.122.197Oct  2 15:29:02 ift sshd\[27936\]: Failed password for invalid user b from 161.35.122.197 port 36354 ssh2Oct  2 15:32:49 ift sshd\[28450\]: Invalid user runner from 161.35.122.197Oct  2 15:32:51 ift sshd\[28450\]: Failed password for invalid user runner from 161.35.122.197 port 45920 ssh2Oct  2 15:36:35 ift sshd\[29027\]: Invalid user acs from 161.35.122.197
...
2020-10-02 23:39:34
27.128.165.131 attack
Oct  2 15:10:49 cho sshd[4068449]: Invalid user composer from 27.128.165.131 port 48054
Oct  2 15:10:49 cho sshd[4068449]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.128.165.131 
Oct  2 15:10:49 cho sshd[4068449]: Invalid user composer from 27.128.165.131 port 48054
Oct  2 15:10:51 cho sshd[4068449]: Failed password for invalid user composer from 27.128.165.131 port 48054 ssh2
Oct  2 15:15:30 cho sshd[4068607]: Invalid user test from 27.128.165.131 port 53928
...
2020-10-02 23:47:29
45.148.122.20 attackspam
Sep 30 19:17:45 kunden sshd[4130]: Invalid user fake from 45.148.122.20
Sep 30 19:17:45 kunden sshd[4130]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.122.20 
Sep 30 19:17:47 kunden sshd[4130]: Failed password for invalid user fake from 45.148.122.20 port 44306 ssh2
Sep 30 19:17:47 kunden sshd[4130]: Received disconnect from 45.148.122.20: 11: Bye Bye [preauth]
Sep 30 19:17:51 kunden sshd[4138]: Invalid user admin from 45.148.122.20
Sep 30 19:17:51 kunden sshd[4138]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.122.20 
Sep 30 19:17:54 kunden sshd[4138]: Failed password for invalid user admin from 45.148.122.20 port 51340 ssh2
Sep 30 19:17:54 kunden sshd[4138]: Received disconnect from 45.148.122.20: 11: Bye Bye [preauth]
Sep 30 19:17:55 kunden sshd[4168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.148.122.20  user=r.r
Sep 3........
-------------------------------
2020-10-02 23:44:47

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