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: New Zealand

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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.72.100.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38633
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.72.100.42.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021501 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 16 05:26:48 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 42.100.72.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.100.72.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.176.27.214 attackbots
07/10/2020-17:15:21.692971 185.176.27.214 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-07-11 05:52:47
4.79.142.206 attackspambots
Your computer's TCP ports: 
21, 0, 5000, 1720 and 1030 have been scanned from 4.79.142.206
2020-07-11 05:59:58
110.78.19.34 attackbotsspam
Unauthorized connection attempt from IP address 110.78.19.34 on Port 445(SMB)
2020-07-11 06:05:48
179.188.7.220 attackspambots
From bounce-35cd4d53be0cb40ec1d4b79cbb1257a1@smtplw-13.com Fri Jul 10 18:15:21 2020
Received: from smtp331t7f220.saaspmta0002.correio.biz ([179.188.7.220]:59533)
2020-07-11 05:53:08
5.116.238.194 attack
Unauthorized connection attempt from IP address 5.116.238.194 on Port 445(SMB)
2020-07-11 06:04:13
106.12.138.72 attackspam
Cluster member 67.227.229.95 (US/United States/host.cjthedj97.me) said, DENY 106.12.138.72, Reason:[(sshd) Failed SSH login from 106.12.138.72 (CN/China/-): 1 in the last 3600 secs]; Ports: *; Direction: inout; Trigger: LF_CLUSTER
2020-07-11 06:14:49
14.18.58.216 attackbots
Jul  9 11:58:32 sip sshd[25659]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.18.58.216
Jul  9 11:58:34 sip sshd[25659]: Failed password for invalid user steve from 14.18.58.216 port 50370 ssh2
Jul  9 12:20:39 sip sshd[1494]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.18.58.216
2020-07-11 06:09:49
189.90.241.226 attackspam
Unauthorized connection attempt from IP address 189.90.241.226 on Port 445(SMB)
2020-07-11 05:56:52
106.12.100.73 attack
(sshd) Failed SSH login from 106.12.100.73 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jul 11 00:03:51 amsweb01 sshd[28281]: Invalid user vic from 106.12.100.73 port 50474
Jul 11 00:03:53 amsweb01 sshd[28281]: Failed password for invalid user vic from 106.12.100.73 port 50474 ssh2
Jul 11 00:11:44 amsweb01 sshd[31747]: Invalid user lhl from 106.12.100.73 port 56784
Jul 11 00:11:47 amsweb01 sshd[31747]: Failed password for invalid user lhl from 106.12.100.73 port 56784 ssh2
Jul 11 00:15:17 amsweb01 sshd[907]: Invalid user tester from 106.12.100.73 port 45822
2020-07-11 06:21:15
150.95.64.9 attackbots
2020-07-10T17:03:57.035744devel sshd[27339]: Invalid user itt from 150.95.64.9 port 52092
2020-07-10T17:03:59.221268devel sshd[27339]: Failed password for invalid user itt from 150.95.64.9 port 52092 ssh2
2020-07-10T17:15:06.460979devel sshd[29972]: Invalid user notepad from 150.95.64.9 port 37550
2020-07-11 06:20:18
141.98.9.137 attackbots
Jul 10 23:27:07 inter-technics sshd[18880]: Invalid user operator from 141.98.9.137 port 50240
Jul 10 23:27:07 inter-technics sshd[18880]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.9.137
Jul 10 23:27:07 inter-technics sshd[18880]: Invalid user operator from 141.98.9.137 port 50240
Jul 10 23:27:09 inter-technics sshd[18880]: Failed password for invalid user operator from 141.98.9.137 port 50240 ssh2
Jul 10 23:27:26 inter-technics sshd[18943]: Invalid user support from 141.98.9.137 port 58306
...
2020-07-11 05:55:36
117.206.84.4 attack
Unauthorized connection attempt from IP address 117.206.84.4 on Port 445(SMB)
2020-07-11 06:09:38
141.98.81.209 attackbotsspam
Jul 10 10:16:47 vm0 sshd[12786]: Failed password for root from 141.98.81.209 port 6799 ssh2
...
2020-07-11 05:58:57
14.162.94.207 attackspambots
Jul 10 21:21:31 vlre-nyc-1 sshd\[2618\]: Invalid user postgres from 14.162.94.207
Jul 10 21:21:31 vlre-nyc-1 sshd\[2618\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.162.94.207
Jul 10 21:21:33 vlre-nyc-1 sshd\[2618\]: Failed password for invalid user postgres from 14.162.94.207 port 50500 ssh2
Jul 10 21:24:55 vlre-nyc-1 sshd\[2683\]: Invalid user evette from 14.162.94.207
Jul 10 21:24:55 vlre-nyc-1 sshd\[2683\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.162.94.207
...
2020-07-11 06:13:47
141.98.81.42 attack
Jul 10 10:16:39 vm0 sshd[12752]: Failed password for root from 141.98.81.42 port 13967 ssh2
Jul 10 23:39:48 vm0 sshd[28190]: Failed password for root from 141.98.81.42 port 7341 ssh2
...
2020-07-11 05:54:56

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