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: LG Dacom Corporation

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Dec 11 16:10:40 debian-2gb-nbg1-2 kernel: \[24358583.494621\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=121.66.144.91 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=47 ID=31912 PROTO=TCP SPT=44879 DPT=119 WINDOW=60935 RES=0x00 SYN URGP=0
2019-12-12 01:04:56
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.66.144.91
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59781
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			571	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019121100 1800 900 604800 86400

;; Query time: 506 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Dec 12 01:04:48 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 91.144.66.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		100.100.2.136
Address:	100.100.2.136#53

** server can't find 91.144.66.121.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
104.27.191.113 attackbots
MUITO SPAM FRAUDE!!
2020-10-06 00:41:05
175.137.60.200 attack
(sshd) Failed SSH login from 175.137.60.200 (MY/Malaysia/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Oct  4 15:43:05 server2 sshd[12226]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.137.60.200  user=root
Oct  4 16:35:50 server2 sshd[486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.137.60.200  user=root
Oct  4 16:35:52 server2 sshd[486]: Failed password for root from 175.137.60.200 port 15196 ssh2
Oct  4 16:37:16 server2 sshd[1867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.137.60.200  user=root
Oct  4 16:37:18 server2 sshd[1867]: Failed password for root from 175.137.60.200 port 16659 ssh2
2020-10-06 00:49:46
106.13.68.190 attackspambots
Oct  5 15:02:32 OPSO sshd\[6404\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.68.190  user=root
Oct  5 15:02:35 OPSO sshd\[6404\]: Failed password for root from 106.13.68.190 port 58054 ssh2
Oct  5 15:06:48 OPSO sshd\[7208\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.68.190  user=root
Oct  5 15:06:50 OPSO sshd\[7208\]: Failed password for root from 106.13.68.190 port 47736 ssh2
Oct  5 15:11:07 OPSO sshd\[7913\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.68.190  user=root
2020-10-06 00:47:30
191.5.99.171 attack
Telnet Server BruteForce Attack
2020-10-06 00:44:58
119.45.199.253 attackspam
Brute-force attempt banned
2020-10-06 00:29:33
138.219.100.78 attack
(sshd) Failed SSH login from 138.219.100.78 (BR/Brazil/138-219-100-78.meganetscm.net.br): 5 in the last 3600 secs
2020-10-06 01:07:38
106.55.161.202 attackspam
Oct  6 02:21:55 localhost sshd[1703513]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.55.161.202  user=root
Oct  6 02:21:57 localhost sshd[1703513]: Failed password for root from 106.55.161.202 port 43724 ssh2
...
2020-10-06 01:06:51
220.161.81.131 attackbotsspam
Oct  5 07:38:09 abendstille sshd\[28689\]: Invalid user fake from 220.161.81.131
Oct  5 07:38:09 abendstille sshd\[28689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.161.81.131
Oct  5 07:38:10 abendstille sshd\[28689\]: Failed password for invalid user fake from 220.161.81.131 port 34864 ssh2
Oct  5 07:45:31 abendstille sshd\[3113\]: Invalid user Orange from 220.161.81.131
Oct  5 07:45:31 abendstille sshd\[3113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=220.161.81.131
...
2020-10-06 00:59:16
45.228.137.6 attackbotsspam
SSH Honeypot -> SSH Bruteforce / Login
2020-10-06 00:39:19
157.230.240.140 attackbotsspam
[N1.H1.VM1] Port Scanner Detected Blocked by UFW
2020-10-06 00:33:37
163.172.40.236 attackspam
163.172.40.236 - - [05/Oct/2020:20:25:35 +0400] "POST /GponForm/diag_Form?style/ HTTP/1.1" 502 157 "-" "curl/7.3.2"
...
2020-10-06 00:29:07
189.56.198.214 attack
Attempted Brute Force (dovecot)
2020-10-06 00:35:01
175.24.36.114 attack
Oct  5 17:30:40 PorscheCustomer sshd[26203]: Failed password for root from 175.24.36.114 port 40560 ssh2
Oct  5 17:32:10 PorscheCustomer sshd[26234]: Failed password for root from 175.24.36.114 port 55320 ssh2
...
2020-10-06 01:15:53
1.186.248.30 attackspambots
$f2bV_matches
2020-10-06 00:45:44
190.39.162.200 attackbots
Port scan on 1 port(s): 445
2020-10-06 00:55:14

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