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: Korea (the Republic of)

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 <<>> 49.171.121.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14685
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;49.171.121.21.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012601 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jan 27 11:58:47 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.121.171.49.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.121.171.49.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.190.92 attackspam
Oct 17 21:29:53 localhost sshd\[27078\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.190.92  user=root
Oct 17 21:29:55 localhost sshd\[27078\]: Failed password for root from 222.186.190.92 port 24014 ssh2
Oct 17 21:30:00 localhost sshd\[27078\]: Failed password for root from 222.186.190.92 port 24014 ssh2
...
2019-10-18 05:47:34
201.217.142.186 attack
May 15 21:44:48 odroid64 sshd\[31399\]: Invalid user sistema from 201.217.142.186
May 15 21:44:48 odroid64 sshd\[31399\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.217.142.186
May 15 21:44:50 odroid64 sshd\[31399\]: Failed password for invalid user sistema from 201.217.142.186 port 62497 ssh2
...
2019-10-18 05:45:35
103.126.100.179 attackspambots
Oct 17 11:08:39 euve59663 sshd[26455]: Invalid user dpisklo from 103.12=
6.100.179
Oct 17 11:08:39 euve59663 sshd[26455]: pam_unix(sshd:auth): authenticat=
ion failure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D103=
.126.100.179=20
Oct 17 11:08:41 euve59663 sshd[26455]: Failed password for invalid user=
 dpisklo from 103.126.100.179 port 50310 ssh2
Oct 17 11:08:41 euve59663 sshd[26455]: Received disconnect from 103.126=
.100.179: 11: Bye Bye [preauth]
Oct 17 11:19:56 euve59663 sshd[26613]: pam_unix(sshd:auth): authenticat=
ion failure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D103=
.126.100.179  user=3Dr.r
Oct 17 11:19:58 euve59663 sshd[26613]: Failed password for r.r from 10=
3.126.100.179 port 43128 ssh2
Oct 17 11:19:58 euve59663 sshd[26613]: Received disconnect from 103.126=
.100.179: 11: Bye Bye [preauth]
Oct 17 11:28:47 euve59663 sshd[26674]: pam_unix(sshd:auth): authenticat=
ion failure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhos........
-------------------------------
2019-10-18 05:30:59
59.52.97.130 attackspambots
Oct 17 11:28:51 friendsofhawaii sshd\[25805\]: Invalid user pul from 59.52.97.130
Oct 17 11:28:51 friendsofhawaii sshd\[25805\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.52.97.130
Oct 17 11:28:54 friendsofhawaii sshd\[25805\]: Failed password for invalid user pul from 59.52.97.130 port 51507 ssh2
Oct 17 11:33:58 friendsofhawaii sshd\[26238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.52.97.130  user=root
Oct 17 11:34:00 friendsofhawaii sshd\[26238\]: Failed password for root from 59.52.97.130 port 41736 ssh2
2019-10-18 05:48:34
123.207.79.126 attack
2019-10-17T22:12:45.356918  sshd[8610]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.79.126  user=root
2019-10-17T22:12:47.679292  sshd[8610]: Failed password for root from 123.207.79.126 port 37892 ssh2
2019-10-17T22:23:35.044513  sshd[8761]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.79.126  user=root
2019-10-17T22:23:37.266838  sshd[8761]: Failed password for root from 123.207.79.126 port 37658 ssh2
2019-10-17T22:27:47.569218  sshd[8809]: Invalid user user from 123.207.79.126 port 47410
...
2019-10-18 05:29:18
83.4.252.147 attackspambots
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/83.4.252.147/ 
 PL - 1H : (205)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : PL 
 NAME ASN : ASN5617 
 
 IP : 83.4.252.147 
 
 CIDR : 83.0.0.0/13 
 
 PREFIX COUNT : 183 
 
 UNIQUE IP COUNT : 5363456 
 
 
 WYKRYTE ATAKI Z ASN5617 :  
  1H - 2 
  3H - 9 
  6H - 21 
 12H - 39 
 24H - 84 
 
 DateTime : 2019-10-17 21:51:47 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-18 05:39:49
68.183.94.194 attack
Oct 17 23:18:31 localhost sshd\[18005\]: Invalid user oper from 68.183.94.194 port 52844
Oct 17 23:18:31 localhost sshd\[18005\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.183.94.194
Oct 17 23:18:32 localhost sshd\[18005\]: Failed password for invalid user oper from 68.183.94.194 port 52844 ssh2
2019-10-18 05:29:44
92.116.109.4 attack
Fail2Ban Ban Triggered
2019-10-18 05:56:22
201.229.95.45 attackbots
Jan 30 11:49:52 odroid64 sshd\[7540\]: User backup from 201.229.95.45 not allowed because not listed in AllowUsers
Jan 30 11:49:52 odroid64 sshd\[7540\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.229.95.45  user=backup
Jan 30 11:49:55 odroid64 sshd\[7540\]: Failed password for invalid user backup from 201.229.95.45 port 56467 ssh2
Feb  2 14:12:40 odroid64 sshd\[25214\]: Invalid user postgres from 201.229.95.45
Feb  2 14:12:40 odroid64 sshd\[25214\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.229.95.45
Feb  2 14:12:42 odroid64 sshd\[25214\]: Failed password for invalid user postgres from 201.229.95.45 port 47102 ssh2
Feb  4 14:25:40 odroid64 sshd\[15522\]: Invalid user metis from 201.229.95.45
Feb  4 14:25:40 odroid64 sshd\[15522\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.229.95.45
Feb  4 14:25:42 odroid64 sshd\[15522\]: Failed p
...
2019-10-18 05:28:21
112.169.255.1 attack
Failed SSH Login
2019-10-18 05:38:36
105.225.123.197 attackspam
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/105.225.123.197/ 
 ZA - 1H : (32)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : ZA 
 NAME ASN : ASN37457 
 
 IP : 105.225.123.197 
 
 CIDR : 105.225.0.0/16 
 
 PREFIX COUNT : 64 
 
 UNIQUE IP COUNT : 806400 
 
 
 WYKRYTE ATAKI Z ASN37457 :  
  1H - 1 
  3H - 4 
  6H - 4 
 12H - 6 
 24H - 11 
 
 DateTime : 2019-10-17 20:50:56 
 
 INFO :  HACK ! - Looking for resource vulnerabilities Scan Detected and Blocked by ADMIN  - data recovery
2019-10-18 05:53:53
222.186.175.215 attackspambots
Oct 17 17:53:13 xtremcommunity sshd\[621718\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.215  user=root
Oct 17 17:53:15 xtremcommunity sshd\[621718\]: Failed password for root from 222.186.175.215 port 9130 ssh2
Oct 17 17:53:19 xtremcommunity sshd\[621718\]: Failed password for root from 222.186.175.215 port 9130 ssh2
Oct 17 17:53:24 xtremcommunity sshd\[621718\]: Failed password for root from 222.186.175.215 port 9130 ssh2
Oct 17 17:53:29 xtremcommunity sshd\[621718\]: Failed password for root from 222.186.175.215 port 9130 ssh2
...
2019-10-18 05:58:15
103.27.238.41 attackspam
WordPress login Brute force / Web App Attack on client site.
2019-10-18 05:59:23
217.182.196.178 attackspam
Oct 17 13:30:15 xb0 sshd[2127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.196.178  user=r.r
Oct 17 13:30:17 xb0 sshd[2127]: Failed password for r.r from 217.182.196.178 port 60824 ssh2
Oct 17 13:30:17 xb0 sshd[2127]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:39:29 xb0 sshd[18915]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.196.178  user=r.r
Oct 17 13:39:31 xb0 sshd[18915]: Failed password for r.r from 217.182.196.178 port 60942 ssh2
Oct 17 13:39:31 xb0 sshd[18915]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:43:05 xb0 sshd[17109]: Failed password for invalid user virusalert from 217.182.196.178 port 45104 ssh2
Oct 17 13:43:05 xb0 sshd[17109]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:46:36 xb0 sshd[14183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 ........
-------------------------------
2019-10-18 05:35:25
91.203.193.236 attackbots
$f2bV_matches
2019-10-18 05:27:34

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