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
$f2bV_matches
2020-01-12 03:59:15
attackbotsspam
Jan  1 02:21:53 itv-usvr-02 sshd[28422]: Invalid user tupaj from 121.132.145.31 port 58302
Jan  1 02:21:53 itv-usvr-02 sshd[28422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.132.145.31
Jan  1 02:21:53 itv-usvr-02 sshd[28422]: Invalid user tupaj from 121.132.145.31 port 58302
Jan  1 02:21:55 itv-usvr-02 sshd[28422]: Failed password for invalid user tupaj from 121.132.145.31 port 58302 ssh2
2020-01-01 06:09:36
attackbotsspam
Invalid user abrahamsen from 121.132.145.31 port 45610
2019-12-31 13:21:00
attackbots
Dec 30 12:34:49 HOST sshd[2398]: Failed password for invalid user jira from 121.132.145.31 port 52226 ssh2
Dec 30 12:34:49 HOST sshd[2398]: Received disconnect from 121.132.145.31: 11: Bye Bye [preauth]
Dec 30 12:45:54 HOST sshd[2841]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.132.145.31  user=r.r
Dec 30 12:45:56 HOST sshd[2841]: Failed password for r.r from 121.132.145.31 port 59808 ssh2
Dec 30 12:45:56 HOST sshd[2841]: Received disconnect from 121.132.145.31: 11: Bye Bye [preauth]
Dec 30 12:47:45 HOST sshd[2871]: Failed password for invalid user webmaster from 121.132.145.31 port 48280 ssh2
Dec 30 12:47:45 HOST sshd[2871]: Received disconnect from 121.132.145.31: 11: Bye Bye [preauth]
Dec 30 12:49:35 HOST sshd[2929]: Failed password for invalid user saajah from 121.132.145.31 port 36656 ssh2
Dec 30 12:49:35 HOST sshd[2929]: Received disconnect from 121.132.145.31: 11: Bye Bye [preauth]
Dec 30 12:51:24 HOST sshd[3074]: ........
-------------------------------
2019-12-30 23:19:29
attackspam
Invalid user info from 121.132.145.31 port 58592
2019-12-27 22:05:27
attackbotsspam
Dec 27 06:20:56 legacy sshd[15276]: Failed password for root from 121.132.145.31 port 59482 ssh2
Dec 27 06:24:17 legacy sshd[15386]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.132.145.31
Dec 27 06:24:20 legacy sshd[15386]: Failed password for invalid user appuser from 121.132.145.31 port 33818 ssh2
...
2019-12-27 13:24:44
attackbotsspam
Lines containing failures of 121.132.145.31
Dec  2 17:23:38 cdb sshd[5342]: Invalid user rajfur from 121.132.145.31 port 35280
Dec  2 17:23:38 cdb sshd[5342]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.132.145.31
Dec  2 17:23:40 cdb sshd[5342]: Failed password for invalid user rajfur from 121.132.145.31 port 35280 ssh2
Dec  2 17:23:41 cdb sshd[5342]: Received disconnect from 121.132.145.31 port 35280:11: Bye Bye [preauth]
Dec  2 17:23:41 cdb sshd[5342]: Disconnected from invalid user rajfur 121.132.145.31 port 35280 [preauth]
Dec  2 17:33:18 cdb sshd[6543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.132.145.31  user=r.r
Dec  2 17:33:21 cdb sshd[6543]: Failed password for r.r from 121.132.145.31 port 44992 ssh2
Dec  2 17:33:21 cdb sshd[6543]: Received disconnect from 121.132.145.31 port 44992:11: Bye Bye [preauth]
Dec  2 17:33:21 cdb sshd[6543]: Disconnected from authenticati........
------------------------------
2019-12-03 19:02:09
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.132.145.31
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3921
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			181	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019120300 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Dec 03 19:02:06 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 31.145.132.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 31.145.132.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
183.83.93.16 attack
20/6/26@07:22:23: FAIL: Alarm-Network address from=183.83.93.16
...
2020-06-27 03:18:54
117.50.63.253 attackbotsspam
Jun 26 13:22:54 debian-2gb-nbg1-2 kernel: \[15429231.540189\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=117.50.63.253 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=237 ID=32426 PROTO=TCP SPT=58914 DPT=17 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-27 02:55:42
185.175.93.23 attackbots
06/26/2020-15:17:20.050605 185.175.93.23 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-06-27 03:25:05
118.96.112.247 attackbots
20/6/26@08:14:53: FAIL: Alarm-Network address from=118.96.112.247
20/6/26@08:14:53: FAIL: Alarm-Network address from=118.96.112.247
...
2020-06-27 03:06:21
118.25.144.49 attack
Automatic report BANNED IP
2020-06-27 03:15:14
58.182.161.127 attack
Port Scan detected!
...
2020-06-27 03:11:44
220.127.148.8 attack
Jun 26 01:49:54 web9 sshd\[9289\]: Invalid user pdv from 220.127.148.8
Jun 26 01:49:54 web9 sshd\[9289\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.127.148.8
Jun 26 01:49:57 web9 sshd\[9289\]: Failed password for invalid user pdv from 220.127.148.8 port 60342 ssh2
Jun 26 01:53:54 web9 sshd\[9743\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.127.148.8  user=root
Jun 26 01:53:56 web9 sshd\[9743\]: Failed password for root from 220.127.148.8 port 60721 ssh2
2020-06-27 03:08:04
49.233.216.158 attackspambots
Total attacks: 2
2020-06-27 02:57:25
161.35.99.173 attackbots
$f2bV_matches
2020-06-27 02:59:44
111.229.79.17 attackbotsspam
2020-06-26T19:17:25+0200 Failed SSH Authentication/Brute Force Attack. (Server 9)
2020-06-27 03:10:37
88.202.190.134 attackspambots
firewall-block, port(s): 4443/tcp
2020-06-27 03:03:23
64.234.26.74 attack
Lines containing failures of 64.234.26.74 (max 1000)
Jun 26 04:53:31 mm sshd[31306]: Invalid user parserverag from 64.234.26.74=
 port 36274
Jun 26 04:53:31 mm sshd[31306]: pam_unix(sshd:auth): authentication fai=
lure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D64.234.26.=
74
Jun 26 04:53:33 mm sshd[31306]: Failed password for invalid user parserver=
ag from 64.234.26.74 port 36274 ssh2
Jun 26 04:53:34 mm sshd[31306]: Received disconnect from 64.234.26.74 p=
ort 36274:11: Bye Bye [preauth]
Jun 26 04:53:34 mm sshd[31306]: Disconnected from invalid user parserverag=
 64.234.26.74 port 36274 [preauth]
Jun 26 05:06:34 mm sshd[31587]: pam_unix(sshd:auth): authentication fai=
lure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D64.234.26.=
74  user=3Dr.r
Jun 26 05:06:35 mm sshd[31587]: Failed password for r.r from 64.234.26=
.74 port 56192 ssh2
Jun 26 05:06:36 mm sshd[31587]: Received disconnect from 64.234.26.74 p=
ort 56192:11: Bye Bye [preauth]
Jun 26 0........
------------------------------
2020-06-27 03:04:17
68.183.131.247 attack
Jun 26 18:35:49 mout sshd[29212]: Invalid user ftpuser from 68.183.131.247 port 34572
2020-06-27 03:20:53
201.150.103.86 attack
Brute forcing RDP port 3389
2020-06-27 03:02:49
18.222.48.159 attackbotsspam
DATE:2020-06-26 18:23:49, IP:18.222.48.159, PORT:ssh SSH brute force auth (docker-dc)
2020-06-27 02:59:17

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