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: IANA Special-Purpose Address

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 <<>> 172.18.21.140
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32762
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;172.18.21.140.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025063000 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 30 18:02:53 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 140.21.18.172.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 140.21.18.172.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.165 attackbotsspam
SSH Brute-Force attacks
2020-06-14 05:10:55
114.32.55.102 attackspam
Jun 13 23:03:12 vps687878 sshd\[25563\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.32.55.102  user=root
Jun 13 23:03:14 vps687878 sshd\[25563\]: Failed password for root from 114.32.55.102 port 50350 ssh2
Jun 13 23:05:47 vps687878 sshd\[25812\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.32.55.102  user=root
Jun 13 23:05:49 vps687878 sshd\[25812\]: Failed password for root from 114.32.55.102 port 60198 ssh2
Jun 13 23:08:48 vps687878 sshd\[26190\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.32.55.102  user=root
...
2020-06-14 05:30:20
37.59.50.84 attackspam
2020-06-13T14:18:35.026733  sshd[27578]: Invalid user stuckdexter from 37.59.50.84 port 43426
2020-06-13T14:18:35.042169  sshd[27578]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.50.84
2020-06-13T14:18:35.026733  sshd[27578]: Invalid user stuckdexter from 37.59.50.84 port 43426
2020-06-13T14:18:36.989758  sshd[27578]: Failed password for invalid user stuckdexter from 37.59.50.84 port 43426 ssh2
...
2020-06-14 05:08:38
218.92.0.212 attack
Jun 13 21:15:47 django-0 sshd\[4185\]: Failed password for root from 218.92.0.212 port 56428 ssh2Jun 13 21:16:06 django-0 sshd\[4189\]: Failed password for root from 218.92.0.212 port 20861 ssh2Jun 13 21:16:29 django-0 sshd\[4201\]: Failed password for root from 218.92.0.212 port 49712 ssh2
...
2020-06-14 05:15:06
49.232.173.147 attackspam
Jun 13 23:06:44 legacy sshd[3113]: Failed password for root from 49.232.173.147 port 8230 ssh2
Jun 13 23:09:37 legacy sshd[3231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.173.147
Jun 13 23:09:40 legacy sshd[3231]: Failed password for invalid user zj from 49.232.173.147 port 55564 ssh2
...
2020-06-14 05:20:38
82.254.107.165 attack
Invalid user omc from 82.254.107.165 port 33498
2020-06-14 05:34:12
148.70.108.183 attackbotsspam
2020-06-13T21:02:20.671737abusebot.cloudsearch.cf sshd[9083]: Invalid user pop from 148.70.108.183 port 45650
2020-06-13T21:02:20.677265abusebot.cloudsearch.cf sshd[9083]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.108.183
2020-06-13T21:02:20.671737abusebot.cloudsearch.cf sshd[9083]: Invalid user pop from 148.70.108.183 port 45650
2020-06-13T21:02:22.394948abusebot.cloudsearch.cf sshd[9083]: Failed password for invalid user pop from 148.70.108.183 port 45650 ssh2
2020-06-13T21:05:51.094385abusebot.cloudsearch.cf sshd[9327]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.108.183  user=root
2020-06-13T21:05:52.777176abusebot.cloudsearch.cf sshd[9327]: Failed password for root from 148.70.108.183 port 53586 ssh2
2020-06-13T21:09:20.006762abusebot.cloudsearch.cf sshd[9561]: Invalid user admin from 148.70.108.183 port 33276
...
2020-06-14 05:38:02
129.211.104.34 attackspambots
Jun 13 19:26:03 ArkNodeAT sshd\[6284\]: Invalid user liurunming from 129.211.104.34
Jun 13 19:26:03 ArkNodeAT sshd\[6284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.104.34
Jun 13 19:26:05 ArkNodeAT sshd\[6284\]: Failed password for invalid user liurunming from 129.211.104.34 port 51700 ssh2
2020-06-14 05:00:24
62.215.6.11 attack
Invalid user sud from 62.215.6.11 port 36631
2020-06-14 05:01:40
217.182.77.186 attackspambots
Jun 13 23:09:39 [host] sshd[28277]: Invalid user j
Jun 13 23:09:39 [host] sshd[28277]: pam_unix(sshd:
Jun 13 23:09:41 [host] sshd[28277]: Failed passwor
2020-06-14 05:18:17
218.92.0.165 attackspambots
Unauthorised connection attempt detected at AUO MAIN. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)
2020-06-14 05:22:44
46.187.244.180 attack
Failed password for invalid user from 46.187.244.180 port 33498 ssh2
2020-06-14 05:07:28
201.57.40.70 attack
bruteforce detected
2020-06-14 05:05:36
106.54.140.250 attackspambots
Jun 13 22:09:38 ajax sshd[2633]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.54.140.250 
Jun 13 22:09:40 ajax sshd[2633]: Failed password for invalid user benny from 106.54.140.250 port 38844 ssh2
2020-06-14 05:21:21
114.67.110.240 attack
Jun 13 23:06:21 localhost sshd\[19295\]: Invalid user test2 from 114.67.110.240
Jun 13 23:06:21 localhost sshd\[19295\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.240
Jun 13 23:06:23 localhost sshd\[19295\]: Failed password for invalid user test2 from 114.67.110.240 port 31857 ssh2
Jun 13 23:09:44 localhost sshd\[19468\]: Invalid user operator from 114.67.110.240
Jun 13 23:09:44 localhost sshd\[19468\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.110.240
...
2020-06-14 05:16:42

Recently Reported IPs

207.133.79.73 78.252.226.137 157.26.22.225 72.129.212.34
110.253.46.29 27.234.144.174 133.110.187.102 15.19.104.49
143.73.255.13 98.98.228.181 195.152.20.236 30.76.83.8
98.94.70.218 96.48.83.91 6.42.159.7 166.234.220.8
75.89.96.11 153.51.98.251 154.123.165.9 119.177.41.14