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: United States of America (the)

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 <<>> 21.31.42.133
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25727
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.31.42.133.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 22:10:29 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 133.42.31.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 133.42.31.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
71.6.142.83 attackspambots
10/13/2019-05:50:39.117650 71.6.142.83 Protocol: 17 GPL SNMP public access udp
2019-10-13 16:17:07
221.2.35.78 attackbotsspam
2019-10-13T09:20:16.183435lon01.zurich-datacenter.net sshd\[5465\]: Invalid user Admin@1@ from 221.2.35.78 port 5482
2019-10-13T09:20:16.191019lon01.zurich-datacenter.net sshd\[5465\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.2.35.78
2019-10-13T09:20:18.074583lon01.zurich-datacenter.net sshd\[5465\]: Failed password for invalid user Admin@1@ from 221.2.35.78 port 5482 ssh2
2019-10-13T09:25:30.561935lon01.zurich-datacenter.net sshd\[5571\]: Invalid user Admin@1@ from 221.2.35.78 port 5483
2019-10-13T09:25:30.567633lon01.zurich-datacenter.net sshd\[5571\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.2.35.78
...
2019-10-13 16:13:28
82.207.23.43 attackbots
Oct 13 11:57:26 webhost01 sshd[810]: Failed password for root from 82.207.23.43 port 36276 ssh2
...
2019-10-13 16:10:48
222.188.109.227 attackbotsspam
Oct 13 05:50:23 MK-Soft-VM6 sshd[24161]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.188.109.227 
Oct 13 05:50:25 MK-Soft-VM6 sshd[24161]: Failed password for invalid user Driver@123 from 222.188.109.227 port 44622 ssh2
...
2019-10-13 16:22:11
212.237.50.34 attackbotsspam
Oct  8 06:33:39 carla sshd[14300]: reveeclipse mapping checking getaddrinfo for host34-50-237-212.serverdedicati.aruba.hostname [212.237.50.34] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct  8 06:33:39 carla sshd[14300]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.50.34  user=r.r
Oct  8 06:33:41 carla sshd[14300]: Failed password for r.r from 212.237.50.34 port 57412 ssh2
Oct  8 06:33:41 carla sshd[14301]: Received disconnect from 212.237.50.34: 11: Bye Bye
Oct  8 06:38:27 carla sshd[14334]: reveeclipse mapping checking getaddrinfo for host34-50-237-212.serverdedicati.aruba.hostname [212.237.50.34] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct  8 06:38:27 carla sshd[14334]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.50.34  user=r.r
Oct  8 06:38:29 carla sshd[14334]: Failed password for r.r from 212.237.50.34 port 52222 ssh2
Oct  8 06:38:29 carla sshd[14335]: Received disconnect ........
-------------------------------
2019-10-13 16:18:12
211.114.176.34 attackspambots
Oct 13 07:54:10 unicornsoft sshd\[11945\]: Invalid user mailman from 211.114.176.34
Oct 13 07:54:10 unicornsoft sshd\[11945\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.114.176.34
Oct 13 07:54:12 unicornsoft sshd\[11945\]: Failed password for invalid user mailman from 211.114.176.34 port 40846 ssh2
2019-10-13 16:04:42
180.179.120.70 attackbotsspam
Oct 13 07:02:43 www5 sshd\[11005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.120.70  user=root
Oct 13 07:02:45 www5 sshd\[11005\]: Failed password for root from 180.179.120.70 port 39675 ssh2
Oct 13 07:08:47 www5 sshd\[11967\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.179.120.70  user=root
...
2019-10-13 15:56:31
106.12.108.90 attackspam
Oct 12 19:14:07 wbs sshd\[6133\]: Invalid user P0O9I8U7Y6 from 106.12.108.90
Oct 12 19:14:07 wbs sshd\[6133\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.108.90
Oct 12 19:14:10 wbs sshd\[6133\]: Failed password for invalid user P0O9I8U7Y6 from 106.12.108.90 port 46586 ssh2
Oct 12 19:19:59 wbs sshd\[6622\]: Invalid user P0O9I8U7Y6 from 106.12.108.90
Oct 12 19:19:59 wbs sshd\[6622\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.108.90
2019-10-13 16:09:08
122.192.33.102 attackbots
Oct 12 21:46:32 sachi sshd\[5941\]: Invalid user Par0la!2 from 122.192.33.102
Oct 12 21:46:32 sachi sshd\[5941\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.192.33.102
Oct 12 21:46:34 sachi sshd\[5941\]: Failed password for invalid user Par0la!2 from 122.192.33.102 port 60230 ssh2
Oct 12 21:51:38 sachi sshd\[6392\]: Invalid user Inter2017 from 122.192.33.102
Oct 12 21:51:38 sachi sshd\[6392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.192.33.102
2019-10-13 15:57:47
216.246.108.106 attackbots
firewall-block, port(s): 445/tcp
2019-10-13 16:23:08
200.76.107.137 attackspambots
Unauthorised access (Oct 13) SRC=200.76.107.137 LEN=52 TOS=0x12 PREC=0x40 TTL=116 ID=526 DF TCP DPT=445 WINDOW=8192 CWR ECE SYN
2019-10-13 15:50:43
183.134.74.13 attackspam
Brute-force attack to non-existent web resources
2019-10-13 15:55:47
151.80.75.127 attackbotsspam
Oct 13 08:30:26 mail postfix/smtpd\[18184\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 13 09:13:13 mail postfix/smtpd\[20298\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 13 09:22:01 mail postfix/smtpd\[20324\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 13 09:34:22 mail postfix/smtpd\[21530\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-10-13 16:18:41
194.9.27.162 attackbots
[portscan] Port scan
2019-10-13 15:51:23
165.22.25.220 attackspambots
F2B jail: sshd. Time: 2019-10-13 10:16:19, Reported by: VKReport
2019-10-13 16:24:49

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