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 <<>> 21.78.139.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25701
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.78.139.53.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021500 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 16 00:00:43 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 53.139.78.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.139.78.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.247 attackspambots
2020-08-07T06:48:21.588281vps1033 sshd[4397]: Failed password for root from 218.92.0.247 port 37419 ssh2
2020-08-07T06:48:25.413273vps1033 sshd[4397]: Failed password for root from 218.92.0.247 port 37419 ssh2
2020-08-07T06:48:28.679517vps1033 sshd[4397]: Failed password for root from 218.92.0.247 port 37419 ssh2
2020-08-07T06:48:37.264126vps1033 sshd[5009]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.247  user=root
2020-08-07T06:48:39.458611vps1033 sshd[5009]: Failed password for root from 218.92.0.247 port 4126 ssh2
...
2020-08-07 14:51:20
129.211.125.208 attackspam
2020-08-07T05:46:50.504283amanda2.illicoweb.com sshd\[1794\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.125.208  user=root
2020-08-07T05:46:52.359442amanda2.illicoweb.com sshd\[1794\]: Failed password for root from 129.211.125.208 port 52538 ssh2
2020-08-07T05:52:48.380008amanda2.illicoweb.com sshd\[3064\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.125.208  user=root
2020-08-07T05:52:50.716698amanda2.illicoweb.com sshd\[3064\]: Failed password for root from 129.211.125.208 port 55610 ssh2
2020-08-07T05:55:47.376148amanda2.illicoweb.com sshd\[3613\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.125.208  user=root
...
2020-08-07 14:35:50
37.49.229.207 attackspam
Port scan denied
2020-08-07 15:01:28
209.105.243.145 attack
2020-08-07T05:50:36.112655amanda2.illicoweb.com sshd\[2428\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
2020-08-07T05:50:37.993052amanda2.illicoweb.com sshd\[2428\]: Failed password for root from 209.105.243.145 port 44333 ssh2
2020-08-07T05:53:56.031805amanda2.illicoweb.com sshd\[3259\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
2020-08-07T05:53:58.368846amanda2.illicoweb.com sshd\[3259\]: Failed password for root from 209.105.243.145 port 45023 ssh2
2020-08-07T05:55:48.993578amanda2.illicoweb.com sshd\[3632\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=209.105.243.145  user=root
...
2020-08-07 14:33:51
105.209.178.227 attackspam
php WP PHPmyadamin ABUSE blocked for 12h
2020-08-07 14:57:06
185.51.201.115 attackspambots
(sshd) Failed SSH login from 185.51.201.115 (IR/Iran/185.51.201.115.shahrad.net): 5 in the last 3600 secs
2020-08-07 14:47:49
198.20.99.130 attackspambots
Unauthorized connection attempt detected from IP address 198.20.99.130 to port 5190
2020-08-07 14:32:10
159.65.142.192 attackspambots
Aug  7 06:08:48 ip-172-31-61-156 sshd[1980]: Failed password for root from 159.65.142.192 port 44210 ssh2
Aug  7 06:13:13 ip-172-31-61-156 sshd[2322]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.142.192  user=root
Aug  7 06:13:15 ip-172-31-61-156 sshd[2322]: Failed password for root from 159.65.142.192 port 56480 ssh2
Aug  7 06:13:13 ip-172-31-61-156 sshd[2322]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.142.192  user=root
Aug  7 06:13:15 ip-172-31-61-156 sshd[2322]: Failed password for root from 159.65.142.192 port 56480 ssh2
...
2020-08-07 14:32:24
109.201.133.100 attackbots
Unauthorized connection attempt detected from IP address 109.201.133.100 to port 3389
2020-08-07 14:45:59
46.105.29.160 attack
Aug  7 07:14:23 piServer sshd[26156]: Failed password for root from 46.105.29.160 port 41234 ssh2
Aug  7 07:17:17 piServer sshd[26526]: Failed password for root from 46.105.29.160 port 60048 ssh2
...
2020-08-07 14:48:41
35.224.204.56 attackbots
Triggered by Fail2Ban at Ares web server
2020-08-07 14:55:24
187.95.173.10 attackbots
Automatic report - Port Scan Attack
2020-08-07 15:02:11
101.96.113.50 attackspam
$f2bV_matches
2020-08-07 14:43:26
222.186.30.76 attackspam
Aug  7 08:26:50 piServer sshd[2509]: Failed password for root from 222.186.30.76 port 34235 ssh2
Aug  7 08:26:54 piServer sshd[2509]: Failed password for root from 222.186.30.76 port 34235 ssh2
Aug  7 08:26:57 piServer sshd[2509]: Failed password for root from 222.186.30.76 port 34235 ssh2
...
2020-08-07 14:28:07
112.85.42.172 attackspam
Aug  7 08:10:57 vpn01 sshd[24827]: Failed password for root from 112.85.42.172 port 30561 ssh2
Aug  7 08:11:01 vpn01 sshd[24827]: Failed password for root from 112.85.42.172 port 30561 ssh2
...
2020-08-07 14:40:27

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