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 <<>> 21.37.45.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37333
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.37.45.54.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025013001 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jan 31 11:13:48 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 54.45.37.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.45.37.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.35.169.48 attackspambots
Unauthorized connection attempt detected from IP address 192.35.169.48 to port 1000 [T]
2020-07-21 13:58:27
149.56.15.98 attackbotsspam
Invalid user qyw from 149.56.15.98 port 41799
2020-07-21 13:55:46
150.109.50.166 attackbots
Jul 20 20:01:02 php1 sshd\[3176\]: Invalid user sysadm from 150.109.50.166
Jul 20 20:01:02 php1 sshd\[3176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.50.166
Jul 20 20:01:04 php1 sshd\[3176\]: Failed password for invalid user sysadm from 150.109.50.166 port 51710 ssh2
Jul 20 20:05:05 php1 sshd\[3494\]: Invalid user master3 from 150.109.50.166
Jul 20 20:05:05 php1 sshd\[3494\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.50.166
2020-07-21 14:14:40
181.189.144.206 attack
2020-07-20T21:56:15.494571linuxbox-skyline sshd[109249]: Invalid user duw from 181.189.144.206 port 45182
...
2020-07-21 14:22:47
45.55.59.115 attackbotsspam
C2,WP GET /wp-login.php
2020-07-21 13:57:12
176.31.180.31 attackbots
Failed password for invalid user asd from 176.31.180.31 port 35056 ssh2
2020-07-21 14:03:21
113.168.82.226 attack
Unauthorised access (Jul 21) SRC=113.168.82.226 LEN=52 TTL=111 ID=22328 DF TCP DPT=445 WINDOW=8192 SYN
2020-07-21 14:16:49
112.85.42.174 attackspam
Jul 21 08:07:41 nextcloud sshd\[10695\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.174  user=root
Jul 21 08:07:43 nextcloud sshd\[10695\]: Failed password for root from 112.85.42.174 port 2102 ssh2
Jul 21 08:08:05 nextcloud sshd\[11086\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.174  user=root
2020-07-21 14:12:49
106.13.126.15 attackspambots
Invalid user Test from 106.13.126.15 port 37064
2020-07-21 13:41:34
94.102.51.29 attackspambots
Jul 21 07:47:25 debian-2gb-nbg1-2 kernel: \[17568981.784247\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.51.29 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=45723 PROTO=TCP SPT=49978 DPT=7951 WINDOW=1024 RES=0x00 SYN URGP=0
2020-07-21 14:00:09
167.71.237.144 attackspam
B: Abusive ssh attack
2020-07-21 13:37:30
67.216.206.250 attackbotsspam
detected by Fail2Ban
2020-07-21 13:36:52
104.236.124.45 attackbots
Jul 21 12:57:07 webhost01 sshd[18924]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.124.45
Jul 21 12:57:09 webhost01 sshd[18924]: Failed password for invalid user sip from 104.236.124.45 port 54281 ssh2
...
2020-07-21 14:10:30
51.68.229.177 attack
[-]:80 51.68.229.177 - - [21/Jul/2020:05:57:05 +0200] "GET /wp-login.php HTTP/1.1" 301 456 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[-]:443 51.68.229.177 - - [21/Jul/2020:05:57:05 +0200] "GET /wp-login.php HTTP/1.1" 404 15121 "http://[-]/wp-login.php" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-07-21 13:37:12
222.186.42.136 attackbotsspam
Jul 21 01:57:43 NPSTNNYC01T sshd[886]: Failed password for root from 222.186.42.136 port 42585 ssh2
Jul 21 01:58:03 NPSTNNYC01T sshd[920]: Failed password for root from 222.186.42.136 port 40447 ssh2
Jul 21 01:58:05 NPSTNNYC01T sshd[920]: Failed password for root from 222.186.42.136 port 40447 ssh2
...
2020-07-21 14:02:52

Recently Reported IPs

43.144.178.187 194.196.109.232 28.148.105.98 217.34.217.66
238.114.109.236 166.75.248.160 198.177.70.14 30.187.193.155
238.200.130.207 79.59.176.35 189.182.136.147 19.207.75.224
88.45.108.122 29.55.51.225 103.245.60.17 107.30.44.156
236.201.82.217 73.255.255.13 109.194.32.27 237.153.33.219