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: Singapore

Region: unknown

Country: Singapore

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 <<>> 166.121.53.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48525
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;166.121.53.138.			IN	A

;; AUTHORITY SECTION:
.			1266	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019090600 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sat Sep 07 00:26:57 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 138.53.121.166.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 138.53.121.166.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.216.39.217 attack
Dovecot Invalid User Login Attempt.
2020-08-16 00:27:50
130.185.155.34 attackbots
Repeated brute force against a port
2020-08-16 00:22:58
60.220.185.61 attackbotsspam
Aug 15 11:32:14 NPSTNNYC01T sshd[23555]: Failed password for root from 60.220.185.61 port 60736 ssh2
Aug 15 11:38:55 NPSTNNYC01T sshd[24017]: Failed password for root from 60.220.185.61 port 40942 ssh2
...
2020-08-15 23:55:27
89.23.11.106 attackspam
Email rejected due to spam filtering
2020-08-16 00:15:49
183.62.139.167 attackspambots
Aug 15 15:11:07 eventyay sshd[13077]: Failed password for root from 183.62.139.167 port 51220 ssh2
Aug 15 15:15:21 eventyay sshd[13173]: Failed password for root from 183.62.139.167 port 44292 ssh2
...
2020-08-16 00:33:43
5.196.225.174 attackbots
web-1 [ssh] SSH Attack
2020-08-16 00:05:47
159.65.138.161 attack
firewall-block, port(s): 19424/tcp
2020-08-16 00:33:20
222.186.180.6 attack
Aug 15 18:16:31 minden010 sshd[9151]: Failed password for root from 222.186.180.6 port 53366 ssh2
Aug 15 18:16:34 minden010 sshd[9151]: Failed password for root from 222.186.180.6 port 53366 ssh2
Aug 15 18:16:38 minden010 sshd[9151]: Failed password for root from 222.186.180.6 port 53366 ssh2
Aug 15 18:16:45 minden010 sshd[9151]: error: maximum authentication attempts exceeded for root from 222.186.180.6 port 53366 ssh2 [preauth]
...
2020-08-16 00:19:27
142.93.34.169 attackspam
142.93.34.169 - - [15/Aug/2020:17:16:14 +0200] "POST /xmlrpc.php HTTP/1.1" 403 9492 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
142.93.34.169 - - [15/Aug/2020:17:27:12 +0200] "POST /xmlrpc.php HTTP/1.1" 403 613 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-15 23:58:52
52.28.85.232 attackspambots
GET /.git/HEAD HTTP/1.1
2020-08-16 00:34:57
112.85.42.172 attackspam
Aug 15 17:45:15 vm1 sshd[6590]: Failed password for root from 112.85.42.172 port 60662 ssh2
Aug 15 17:45:31 vm1 sshd[6590]: error: maximum authentication attempts exceeded for root from 112.85.42.172 port 60662 ssh2 [preauth]
...
2020-08-15 23:48:23
222.186.180.8 attackbotsspam
Aug 15 12:16:06 NPSTNNYC01T sshd[26552]: Failed password for root from 222.186.180.8 port 13434 ssh2
Aug 15 12:16:20 NPSTNNYC01T sshd[26552]: error: maximum authentication attempts exceeded for root from 222.186.180.8 port 13434 ssh2 [preauth]
Aug 15 12:16:26 NPSTNNYC01T sshd[26580]: Failed password for root from 222.186.180.8 port 34114 ssh2
...
2020-08-16 00:18:34
212.83.152.136 attackspambots
212.83.152.136 - - [15/Aug/2020:13:21:15 +0100] "POST /wp/wp-login.php HTTP/1.1" 200 1865 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
212.83.152.136 - - [15/Aug/2020:13:21:16 +0100] "POST /wp/wp-login.php HTTP/1.1" 200 1846 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
212.83.152.136 - - [15/Aug/2020:13:21:16 +0100] "POST /wp/xmlrpc.php HTTP/1.1" 200 247 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-15 23:51:31
41.208.70.39 attackspam
Port scan: Attack repeated for 24 hours
2020-08-16 00:31:09
51.38.118.26 attackspam
failed root login
2020-08-16 00:25:42

Recently Reported IPs

218.201.241.138 59.46.254.93 62.156.132.202 105.2.44.91
175.5.147.248 54.235.92.242 182.138.158.45 56.241.228.247
122.78.21.146 72.58.60.149 222.249.223.44 178.244.108.5
120.155.128.49 222.82.53.53 54.193.57.131 85.85.247.206
187.72.225.156 220.250.10.195 27.197.139.86 12.120.61.48