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 <<>> 121.178.42.5
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43061
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.178.42.5.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2024121001 1800 900 604800 86400

;; Query time: 134 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Dec 11 02:42:36 CST 2024
;; MSG SIZE  rcvd: 105
Host info
Host 5.42.178.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 5.42.178.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
197.159.141.34 attackbots
Telnet Server BruteForce Attack
2020-02-08 09:28:22
140.246.207.140 attackbotsspam
SASL PLAIN auth failed: ruser=...
2020-02-08 09:45:18
91.123.157.56 attackspambots
slow and persistent scanner
2020-02-08 09:30:43
119.237.92.163 attack
5555/tcp
[2020-02-07]1pkt
2020-02-08 09:50:48
95.181.45.234 attackbotsspam
Brute force attack stopped by firewall
2020-02-08 09:28:50
183.105.217.170 attack
Feb  8 02:08:05 icinga sshd[13346]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.105.217.170 
Feb  8 02:08:06 icinga sshd[13346]: Failed password for invalid user swq from 183.105.217.170 port 43824 ssh2
Feb  8 02:29:16 icinga sshd[33290]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.105.217.170 
...
2020-02-08 09:29:33
185.53.88.113 attackbots
SIP Server BruteForce Attack
2020-02-08 09:42:24
212.64.43.52 attackbotsspam
Feb  8 02:25:25 markkoudstaal sshd[1634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.43.52
Feb  8 02:25:27 markkoudstaal sshd[1634]: Failed password for invalid user ctg from 212.64.43.52 port 60232 ssh2
Feb  8 02:28:24 markkoudstaal sshd[2207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.43.52
2020-02-08 09:44:31
220.181.108.90 attackspambots
Bad bot/spoofed identity
2020-02-08 09:34:20
69.17.158.101 attackbotsspam
Feb  7 23:36:18 MK-Soft-VM8 sshd[30593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=69.17.158.101 
Feb  7 23:36:20 MK-Soft-VM8 sshd[30593]: Failed password for invalid user tko from 69.17.158.101 port 56246 ssh2
...
2020-02-08 09:54:53
14.246.242.142 attackspambots
1581114976 - 02/07/2020 23:36:16 Host: 14.246.242.142/14.246.242.142 Port: 445 TCP Blocked
2020-02-08 09:59:04
124.31.238.151 attack
02/07/2020-17:36:26.359710 124.31.238.151 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-02-08 09:48:00
36.230.148.80 attackspambots
23/tcp
[2020-02-07]1pkt
2020-02-08 09:57:19
92.83.108.192 attackspambots
Automatic report - Port Scan Attack
2020-02-08 09:47:20
39.36.166.35 attack
Email rejected due to spam filtering
2020-02-08 09:27:51

Recently Reported IPs

221.158.226.130 93.66.93.36 209.113.71.199 148.49.114.198
130.82.125.100 47.162.3.46 226.120.112.252 79.38.32.0
146.12.47.232 58.25.187.24 178.251.128.197 7.65.176.9
23.99.57.123 243.47.250.195 114.126.206.97 26.35.111.139
114.130.121.174 136.26.11.243 179.231.173.248 90.74.211.104