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 <<>> 21.152.242.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50627
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.152.242.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 30 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 22:32:21 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 81.242.152.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.242.152.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
188.131.179.87 attack
Sep 14 21:19:24 meumeu sshd[16322]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.179.87 
Sep 14 21:19:27 meumeu sshd[16322]: Failed password for invalid user bailey from 188.131.179.87 port 39129 ssh2
Sep 14 21:23:12 meumeu sshd[16885]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.179.87 
...
2019-09-15 03:28:07
201.191.205.24 attack
IP reached maximum auth failures
2019-09-15 03:14:10
43.241.145.251 attack
Sep 14 20:58:45 SilenceServices sshd[11015]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.241.145.251
Sep 14 20:58:47 SilenceServices sshd[11015]: Failed password for invalid user student10 from 43.241.145.251 port 3985 ssh2
Sep 14 21:04:03 SilenceServices sshd[13084]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.241.145.251
2019-09-15 03:28:36
190.113.142.197 attackbotsspam
Sep 14 09:08:58 tdfoods sshd\[368\]: Invalid user test1 from 190.113.142.197
Sep 14 09:08:58 tdfoods sshd\[368\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.113.142.197
Sep 14 09:09:01 tdfoods sshd\[368\]: Failed password for invalid user test1 from 190.113.142.197 port 44341 ssh2
Sep 14 09:14:52 tdfoods sshd\[1027\]: Invalid user cod from 190.113.142.197
Sep 14 09:14:52 tdfoods sshd\[1027\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.113.142.197
2019-09-15 03:16:37
51.77.148.87 attackspam
Sep 14 14:41:46 plusreed sshd[13129]: Invalid user bismarck from 51.77.148.87
...
2019-09-15 02:53:56
111.250.177.89 attackbots
Unauthorised access (Sep 14) SRC=111.250.177.89 LEN=40 PREC=0x20 TTL=53 ID=11795 TCP DPT=23 WINDOW=21868 SYN
2019-09-15 03:33:45
66.249.79.136 attackbots
Automatic report - Banned IP Access
2019-09-15 03:08:51
153.36.236.35 attack
Sep 14 09:02:42 auw2 sshd\[11531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.236.35  user=root
Sep 14 09:02:44 auw2 sshd\[11531\]: Failed password for root from 153.36.236.35 port 64112 ssh2
Sep 14 09:02:46 auw2 sshd\[11531\]: Failed password for root from 153.36.236.35 port 64112 ssh2
Sep 14 09:03:00 auw2 sshd\[11554\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.236.35  user=root
Sep 14 09:03:02 auw2 sshd\[11554\]: Failed password for root from 153.36.236.35 port 54802 ssh2
2019-09-15 03:05:18
45.80.64.246 attackspam
2019-09-14T18:53:08.371730abusebot-5.cloudsearch.cf sshd\[19130\]: Invalid user kk from 45.80.64.246 port 49582
2019-09-15 03:10:54
217.182.165.158 attackbotsspam
Sep 14 08:53:22 hanapaa sshd\[13983\]: Invalid user abc123!@\# from 217.182.165.158
Sep 14 08:53:22 hanapaa sshd\[13983\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3074474.ip-217-182-165.eu
Sep 14 08:53:24 hanapaa sshd\[13983\]: Failed password for invalid user abc123!@\# from 217.182.165.158 port 34812 ssh2
Sep 14 08:57:46 hanapaa sshd\[14323\]: Invalid user p@55w0rd from 217.182.165.158
Sep 14 08:57:46 hanapaa sshd\[14323\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3074474.ip-217-182-165.eu
2019-09-15 03:04:31
172.104.116.36 attack
US - 1H : (260)  Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : US 
 NAME ASN : ASN63949 
 
 IP : 172.104.116.36 
 
 CIDR : 172.104.96.0/19 
 
 PREFIX COUNT : 361 
 
 UNIQUE IP COUNT : 488192 
 
 
 WYKRYTE ATAKI Z ASN63949 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 2 
 
 INFO : SYN Flood DDoS Attack Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN  - data recovery 
  https://help-dysk.pl
2019-09-15 03:18:16
121.204.185.106 attack
Sep 14 22:26:10 server sshd\[5330\]: Invalid user postgres from 121.204.185.106 port 36138
Sep 14 22:26:11 server sshd\[5330\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.204.185.106
Sep 14 22:26:12 server sshd\[5330\]: Failed password for invalid user postgres from 121.204.185.106 port 36138 ssh2
Sep 14 22:30:39 server sshd\[4616\]: Invalid user yoshitaka from 121.204.185.106 port 56409
Sep 14 22:30:39 server sshd\[4616\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.204.185.106
2019-09-15 03:36:24
49.88.112.85 attackbotsspam
2019-09-14T19:29:57.486939abusebot.cloudsearch.cf sshd\[17113\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.85  user=root
2019-09-15 03:38:07
163.172.93.131 attackbotsspam
Sep 14 14:50:52 debian sshd\[22889\]: Invalid user steam from 163.172.93.131 port 37778
Sep 14 14:50:52 debian sshd\[22889\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.93.131
Sep 14 14:50:54 debian sshd\[22889\]: Failed password for invalid user steam from 163.172.93.131 port 37778 ssh2
...
2019-09-15 02:55:22
134.209.81.63 attack
Sep 14 20:22:30 bouncer sshd\[30625\]: Invalid user hast from 134.209.81.63 port 35704
Sep 14 20:22:30 bouncer sshd\[30625\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.81.63 
Sep 14 20:22:31 bouncer sshd\[30625\]: Failed password for invalid user hast from 134.209.81.63 port 35704 ssh2
...
2019-09-15 03:25:04

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