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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.142.45.71
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9248
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.142.45.71.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023052800 1800 900 604800 86400

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun May 28 14:50:11 CST 2023
;; MSG SIZE  rcvd: 106
Host info
Host 71.45.142.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 71.45.142.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.180.142 attackspambots
SSH Brute Force, server-1 sshd[26322]: Failed password for root from 222.186.180.142 port 46251 ssh2
2020-01-04 16:50:32
54.90.13.18 attack
$f2bV_matches
2020-01-04 16:17:27
132.232.42.33 attackspambots
Invalid user klieber from 132.232.42.33 port 57472
2020-01-04 16:17:56
51.75.153.255 attackspambots
Jan  4 08:36:12 legacy sshd[12094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.153.255
Jan  4 08:36:14 legacy sshd[12094]: Failed password for invalid user kld from 51.75.153.255 port 47002 ssh2
Jan  4 08:40:20 legacy sshd[12268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.153.255
...
2020-01-04 16:08:57
51.77.246.155 attackbots
SSH Brute-Force reported by Fail2Ban
2020-01-04 16:13:22
47.93.112.228 attackspam
Fail2Ban Ban Triggered
2020-01-04 16:15:56
171.244.51.114 attack
Jan  4 04:12:14 ws24vmsma01 sshd[82482]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.244.51.114
Jan  4 04:12:16 ws24vmsma01 sshd[82482]: Failed password for invalid user sgw from 171.244.51.114 port 34924 ssh2
...
2020-01-04 16:28:48
184.22.65.163 attackspam
1578113428 - 01/04/2020 05:50:28 Host: 184.22.65.163/184.22.65.163 Port: 445 TCP Blocked
2020-01-04 16:43:16
49.88.112.113 attackbotsspam
Repeated brute force against a port
2020-01-04 16:14:24
59.50.140.41 attackbotsspam
Fail2Ban Ban Triggered
2020-01-04 16:39:40
144.91.82.224 attack
01/04/2020-01:38:39.701109 144.91.82.224 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-01-04 16:31:52
80.82.65.90 attack
Jan  4 08:58:35 debian-2gb-nbg1-2 kernel: \[384040.836981\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=80.82.65.90 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=2613 PROTO=TCP SPT=8080 DPT=3929 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-04 16:25:08
14.98.215.178 attack
SSH login attempts.
2020-01-04 16:18:52
222.186.31.144 attackspambots
Unauthorized connection attempt detected from IP address 222.186.31.144 to port 22
2020-01-04 16:16:28
190.15.210.224 attack
Invalid user roersma from 190.15.210.224 port 48298
2020-01-04 16:31:19

Recently Reported IPs

199.12.16.136 68.45.173.149 67.16.156.246 211.226.117.98
192.74.67.191 148.237.28.36 34.20.246.17 145.27.87.171
31.39.29.12 162.2.154.166 39.46.67.203 154.122.151.129
142.253.39.182 75.75.75.76 217.165.210.10 121.184.108.41
151.243.234.178 202.215.93.5 61.85.229.211 59.215.172.222