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 (Republic of)

Internet Service Provider: KT Corporation

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
1588766257 - 05/06/2020 18:57:37 Host: 121.142.172.106/121.142.172.106 Port: 10 TCP Blocked
...
2020-05-07 04:11:47
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.142.172.106
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24809
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;121.142.172.106.		IN	A

;; AUTHORITY SECTION:
.			442	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020050601 1800 900 604800 86400

;; Query time: 96 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu May 07 04:11:34 CST 2020
;; MSG SIZE  rcvd: 119
Host info
Host 106.172.142.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 106.172.142.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
61.132.52.35 attackspam
sshd: Failed password for invalid user .... from 61.132.52.35 port 57714 ssh2
2020-10-02 00:38:45
144.34.172.159 attackspambots
$f2bV_matches
2020-10-02 00:30:49
166.175.59.69 attack
Brute forcing email accounts
2020-10-02 01:02:16
139.199.5.50 attackspambots
Invalid user support3 from 139.199.5.50 port 54350
2020-10-02 00:37:47
124.160.96.249 attackspambots
Oct  1 18:31:10 OPSO sshd\[8140\]: Invalid user eric from 124.160.96.249 port 32203
Oct  1 18:31:10 OPSO sshd\[8140\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.96.249
Oct  1 18:31:12 OPSO sshd\[8140\]: Failed password for invalid user eric from 124.160.96.249 port 32203 ssh2
Oct  1 18:36:03 OPSO sshd\[9011\]: Invalid user jboss from 124.160.96.249 port 19676
Oct  1 18:36:03 OPSO sshd\[9011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.160.96.249
2020-10-02 00:51:16
212.118.18.208 attackspam
Icarus honeypot on github
2020-10-02 01:01:56
71.189.47.10 attackspambots
Oct  1 14:01:29 localhost sshd\[1110\]: Invalid user xxx from 71.189.47.10 port 34331
Oct  1 14:01:29 localhost sshd\[1110\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=71.189.47.10
Oct  1 14:01:31 localhost sshd\[1110\]: Failed password for invalid user xxx from 71.189.47.10 port 34331 ssh2
...
2020-10-02 00:35:08
43.240.66.216 attackspam
Oct  1 12:23:27 ny01 sshd[29653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.240.66.216
Oct  1 12:23:29 ny01 sshd[29653]: Failed password for invalid user ubuntu from 43.240.66.216 port 41272 ssh2
Oct  1 12:27:57 ny01 sshd[30605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.240.66.216
2020-10-02 00:45:26
176.67.86.156 attack
Auto report Web spam and bad bot from Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36 OPR/55.0.2994.44 | HTTP/1.1 | GET | Wednesday, September 30th 2020 @ 23:17:59
2020-10-02 00:36:46
51.38.51.200 attackbotsspam
SSH login attempts.
2020-10-02 00:49:15
74.121.150.130 attackbotsspam
Cowrie Honeypot: 2 unauthorised SSH/Telnet login attempts between 2020-10-01T12:54:45Z and 2020-10-01T12:54:49Z
2020-10-02 00:37:28
175.118.126.99 attackspam
Oct  1 14:22:50 mail sshd[17052]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.118.126.99
2020-10-02 00:35:46
176.165.48.246 attack
Oct 01 10:55:09 askasleikir sshd[34278]: Failed password for root from 176.165.48.246 port 35196 ssh2
Oct 01 11:11:26 askasleikir sshd[34327]: Failed password for invalid user hex from 176.165.48.246 port 34618 ssh2
2020-10-02 00:53:32
122.51.241.12 attackspam
SSH login attempts.
2020-10-02 00:33:03
162.142.125.79 attackspambots
 TCP (SYN) 162.142.125.79:26954 -> port 42424, len 44
2020-10-02 00:36:01

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