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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.153.166.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 510
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.153.166.20.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021400 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 15 00:02:05 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 20.166.153.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.166.153.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
201.138.158.66 attackspam
8080/tcp
[2020-03-05]1pkt
2020-03-05 23:30:26
187.110.64.198 attack
SSH Authentication Attempts Exceeded
2020-03-05 23:24:37
180.245.231.201 attackbots
Honeypot attack, port: 445, PTR: PTR record not found
2020-03-05 23:33:25
186.150.202.152 attackspam
Portscan or hack attempt detected by psad/fwsnort
2020-03-05 23:19:58
181.123.104.93 attackspam
Spam
2020-03-05 23:06:35
222.186.175.169 attack
Mar  5 16:43:22 minden010 sshd[29776]: Failed password for root from 222.186.175.169 port 65096 ssh2
Mar  5 16:43:26 minden010 sshd[29776]: Failed password for root from 222.186.175.169 port 65096 ssh2
Mar  5 16:43:29 minden010 sshd[29776]: Failed password for root from 222.186.175.169 port 65096 ssh2
Mar  5 16:43:34 minden010 sshd[29776]: Failed password for root from 222.186.175.169 port 65096 ssh2
...
2020-03-05 23:45:41
186.32.16.76 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-03-05 23:32:48
23.236.193.2 attack
Honeypot attack, port: 445, PTR: sse.housewebegg.com.
2020-03-05 23:39:42
124.251.110.148 attack
Mar  5 15:58:56 santamaria sshd\[7049\]: Invalid user xupeng from 124.251.110.148
Mar  5 15:58:56 santamaria sshd\[7049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.251.110.148
Mar  5 15:58:58 santamaria sshd\[7049\]: Failed password for invalid user xupeng from 124.251.110.148 port 55894 ssh2
...
2020-03-05 23:00:04
194.135.241.78 attackspam
Automatic report - Port Scan Attack
2020-03-05 23:12:01
180.76.246.210 attackbots
Mar  5 20:27:45 gw1 sshd[19644]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.246.210
Mar  5 20:27:48 gw1 sshd[19644]: Failed password for invalid user testuser from 180.76.246.210 port 56484 ssh2
...
2020-03-05 23:31:44
106.13.78.85 attackspam
Mar  5 04:50:42 eddieflores sshd\[11174\]: Invalid user zhusengbin from 106.13.78.85
Mar  5 04:50:42 eddieflores sshd\[11174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.85
Mar  5 04:50:44 eddieflores sshd\[11174\]: Failed password for invalid user zhusengbin from 106.13.78.85 port 46514 ssh2
Mar  5 04:57:59 eddieflores sshd\[11788\]: Invalid user grafana from 106.13.78.85
Mar  5 04:57:59 eddieflores sshd\[11788\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.85
2020-03-05 23:08:56
138.97.159.217 attackbots
From: Walgreens Rewards 
Repetitive Walgreens reward spam - likely fraud – primarily Ukraine ISP; targeted Google phishing redirect; repetitive blacklisted phishing redirect spam links.

No entity name; BBB results for "8 The Green, Dover, DE 19901":
… The websites collect personal information and then transfer it to lenders and other service providers and marketing companies. BBB suggests caution in dealing with these websites. …

Unsolicited bulk spam - (EHLO betrothment.clausloan.eu) (138.97.159.217) – repetitive UBE from IP range 138.97.156.*

Spam link clausloan.eu = 138.97.159.10 My Tech BZ – blacklisted – phishing redirect:
-	www.google.com – effective URL; phishing redirect
-	lukkins.com = 139.99.70.208 Ovh Sas
-	link.agnesta.com = 62.113.207.188 23Media GmbH (previous domain link.orcelsor.com)
-	kq6.securessl.company = 104.223.205.137, 104.223.205.138 Global Frag Networks
2020-03-05 23:25:42
183.89.214.197 attackspam
suspicious action Thu, 05 Mar 2020 10:34:35 -0300
2020-03-05 23:47:23
139.59.71.104 attack
Mar  5 14:49:38 sigma sshd\[9898\]: Invalid user openmail from 139.59.71.104Mar  5 14:49:40 sigma sshd\[9898\]: Failed password for invalid user openmail from 139.59.71.104 port 56858 ssh2
...
2020-03-05 22:59:43

Recently Reported IPs

39.222.110.252 106.34.56.106 135.60.233.118 65.82.243.169
74.225.146.235 171.240.39.147 157.166.12.91 85.194.152.91
62.255.72.250 122.50.17.37 244.204.0.72 68.225.84.134
32.51.105.237 209.247.4.203 91.206.176.175 49.31.47.255
176.244.149.171 197.23.237.149 135.245.149.12 108.219.103.17