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: Romania

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:
IP Type Details Datetime
2.57.121.104 attack
[N10.H2.VM2] Port Scanner Detected Blocked by UFW
2020-10-14 09:04:46
2.57.121.19 attack
Lines containing failures of 2.57.121.19
Oct  7 12:37:11 nextcloud sshd[23963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:37:13 nextcloud sshd[23963]: Failed password for r.r from 2.57.121.19 port 47782 ssh2
Oct  7 12:37:13 nextcloud sshd[23963]: Received disconnect from 2.57.121.19 port 47782:11: Bye Bye [preauth]
Oct  7 12:37:13 nextcloud sshd[23963]: Disconnected from authenticating user r.r 2.57.121.19 port 47782 [preauth]
Oct  7 12:53:35 nextcloud sshd[26770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:53:37 nextcloud sshd[26770]: Failed password for r.r from 2.57.121.19 port 38478 ssh2
Oct  7 12:53:37 nextcloud sshd[26770]: Received disconnect from 2.57.121.19 port 38478:11: Bye Bye [preauth]
Oct  7 12:53:37 nextcloud sshd[26770]: Disconnected from authenticating user r.r 2.57.121.19 port 38478 [preauth]
Oct  7 1........
------------------------------
2020-10-12 02:05:01
2.57.121.19 attack
Lines containing failures of 2.57.121.19
Oct  7 12:37:11 nextcloud sshd[23963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:37:13 nextcloud sshd[23963]: Failed password for r.r from 2.57.121.19 port 47782 ssh2
Oct  7 12:37:13 nextcloud sshd[23963]: Received disconnect from 2.57.121.19 port 47782:11: Bye Bye [preauth]
Oct  7 12:37:13 nextcloud sshd[23963]: Disconnected from authenticating user r.r 2.57.121.19 port 47782 [preauth]
Oct  7 12:53:35 nextcloud sshd[26770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:53:37 nextcloud sshd[26770]: Failed password for r.r from 2.57.121.19 port 38478 ssh2
Oct  7 12:53:37 nextcloud sshd[26770]: Received disconnect from 2.57.121.19 port 38478:11: Bye Bye [preauth]
Oct  7 12:53:37 nextcloud sshd[26770]: Disconnected from authenticating user r.r 2.57.121.19 port 38478 [preauth]
Oct  7 1........
------------------------------
2020-10-11 17:54:25
2.57.121.19 attackbotsspam
Oct 10 13:42:24 pixelmemory sshd[3235053]: Failed password for root from 2.57.121.19 port 57924 ssh2
Oct 10 13:44:08 pixelmemory sshd[3252791]: Invalid user abc1234 from 2.57.121.19 port 51694
Oct 10 13:44:08 pixelmemory sshd[3252791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19 
Oct 10 13:44:08 pixelmemory sshd[3252791]: Invalid user abc1234 from 2.57.121.19 port 51694
Oct 10 13:44:10 pixelmemory sshd[3252791]: Failed password for invalid user abc1234 from 2.57.121.19 port 51694 ssh2
...
2020-10-11 04:45:09
2.57.121.19 attackbots
Oct 10 08:18:16 firewall sshd[19785]: Failed password for root from 2.57.121.19 port 33660 ssh2
Oct 10 08:21:57 firewall sshd[19834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=root
Oct 10 08:21:59 firewall sshd[19834]: Failed password for root from 2.57.121.19 port 40284 ssh2
...
2020-10-10 20:44:24
2.57.121.19 attackspam
Lines containing failures of 2.57.121.19
Oct  7 12:37:11 nextcloud sshd[23963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:37:13 nextcloud sshd[23963]: Failed password for r.r from 2.57.121.19 port 47782 ssh2
Oct  7 12:37:13 nextcloud sshd[23963]: Received disconnect from 2.57.121.19 port 47782:11: Bye Bye [preauth]
Oct  7 12:37:13 nextcloud sshd[23963]: Disconnected from authenticating user r.r 2.57.121.19 port 47782 [preauth]
Oct  7 12:53:35 nextcloud sshd[26770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:53:37 nextcloud sshd[26770]: Failed password for r.r from 2.57.121.19 port 38478 ssh2
Oct  7 12:53:37 nextcloud sshd[26770]: Received disconnect from 2.57.121.19 port 38478:11: Bye Bye [preauth]
Oct  7 12:53:37 nextcloud sshd[26770]: Disconnected from authenticating user r.r 2.57.121.19 port 38478 [preauth]
Oct  7 1........
------------------------------
2020-10-09 01:30:56
2.57.121.19 attackspambots
Lines containing failures of 2.57.121.19
Oct  7 12:37:11 nextcloud sshd[23963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:37:13 nextcloud sshd[23963]: Failed password for r.r from 2.57.121.19 port 47782 ssh2
Oct  7 12:37:13 nextcloud sshd[23963]: Received disconnect from 2.57.121.19 port 47782:11: Bye Bye [preauth]
Oct  7 12:37:13 nextcloud sshd[23963]: Disconnected from authenticating user r.r 2.57.121.19 port 47782 [preauth]
Oct  7 12:53:35 nextcloud sshd[26770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=2.57.121.19  user=r.r
Oct  7 12:53:37 nextcloud sshd[26770]: Failed password for r.r from 2.57.121.19 port 38478 ssh2
Oct  7 12:53:37 nextcloud sshd[26770]: Received disconnect from 2.57.121.19 port 38478:11: Bye Bye [preauth]
Oct  7 12:53:37 nextcloud sshd[26770]: Disconnected from authenticating user r.r 2.57.121.19 port 38478 [preauth]
Oct  7 1........
------------------------------
2020-10-08 17:27:23
2.57.121.112 attack
Port scanning [4 denied]
2020-09-09 01:22:45
2.57.121.112 attack
Port scanning [4 denied]
2020-09-08 16:49:23
2.57.121.203 attackbots
Unauthorized connection attempt detected from IP address 2.57.121.203 to port 23
2020-07-22 22:08:19
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 2.57.121.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26227
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;2.57.121.55.			IN	A

;; AUTHORITY SECTION:
.			530	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020701 1800 900 604800 86400

;; Query time: 85 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 08 05:45:25 CST 2022
;; MSG SIZE  rcvd: 104
Host info
55.121.57.2.in-addr.arpa domain name pointer smtp55.kcmoa.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
55.121.57.2.in-addr.arpa	name = smtp55.kcmoa.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
106.13.173.164 attackspambots
Invalid user tu from 106.13.173.164 port 42204
2020-01-28 01:41:41
37.224.61.146 attackbots
Unauthorized connection attempt from IP address 37.224.61.146 on Port 445(SMB)
2020-01-28 01:38:44
13.94.173.68 attackspam
Unauthorized connection attempt detected from IP address 13.94.173.68 to port 2220 [J]
2020-01-28 01:12:32
103.231.44.129 attackbotsspam
20/1/27@09:00:18: FAIL: Alarm-Network address from=103.231.44.129
...
2020-01-28 01:22:07
71.6.233.38 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2020-01-28 01:07:03
37.49.231.163 attackbotsspam
Jan 27 16:47:57 debian-2gb-nbg1-2 kernel: \[2399346.116787\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=37.49.231.163 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=29666 PROTO=TCP SPT=58508 DPT=50802 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-28 01:18:00
183.83.225.185 attack
Unauthorized connection attempt from IP address 183.83.225.185 on Port 445(SMB)
2020-01-28 01:09:52
77.227.65.219 attackspam
Unauthorized connection attempt detected from IP address 77.227.65.219 to port 23 [J]
2020-01-28 01:04:31
64.225.47.69 attack
Invalid user admin from 64.225.47.69 port 40318
2020-01-28 01:29:25
103.14.33.229 attackspam
Unauthorized connection attempt detected from IP address 103.14.33.229 to port 2220 [J]
2020-01-28 01:09:06
41.224.59.78 attack
Invalid user a from 41.224.59.78 port 60462
2020-01-28 01:38:14
161.10.238.226 attackbots
Unauthorized connection attempt detected from IP address 161.10.238.226 to port 2220 [J]
2020-01-28 01:23:37
188.166.1.95 attackspam
Jan 27 17:34:37 ns382633 sshd\[19274\]: Invalid user cristian from 188.166.1.95 port 46227
Jan 27 17:34:37 ns382633 sshd\[19274\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.1.95
Jan 27 17:34:39 ns382633 sshd\[19274\]: Failed password for invalid user cristian from 188.166.1.95 port 46227 ssh2
Jan 27 17:52:54 ns382633 sshd\[22849\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.1.95  user=root
Jan 27 17:52:57 ns382633 sshd\[22849\]: Failed password for root from 188.166.1.95 port 56317 ssh2
2020-01-28 01:42:36
112.201.67.156 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 27-01-2020 09:50:10.
2020-01-28 01:05:18
51.178.44.188 attackbots
Unauthorized connection attempt detected from IP address 51.178.44.188 to port 2220 [J]
2020-01-28 01:27:38

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