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

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 <<>> 55.140.103.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17387
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;55.140.103.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025062901 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 30 03:51:38 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.103.140.55.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 55.140.103.21.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
103.110.166.13 attackbots
May  2 18:23:39 localhost sshd\[20986\]: Invalid user support from 103.110.166.13
May  2 18:23:39 localhost sshd\[20986\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.110.166.13
May  2 18:23:41 localhost sshd\[20986\]: Failed password for invalid user support from 103.110.166.13 port 47220 ssh2
May  2 18:28:44 localhost sshd\[21287\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.110.166.13  user=root
May  2 18:28:46 localhost sshd\[21287\]: Failed password for root from 103.110.166.13 port 58294 ssh2
...
2020-05-03 01:40:55
165.227.220.53 attackspambots
Automatic report - XMLRPC Attack
2020-05-03 01:12:02
113.254.164.135 attackbotsspam
firewall-block, port(s): 23/tcp
2020-05-03 01:14:05
51.83.70.93 attackbots
May  2 22:10:28 localhost sshd[1281579]: Invalid user pedro from 51.83.70.93 port 50862
...
2020-05-03 00:58:22
103.89.168.196 attackspam
(imapd) Failed IMAP login from 103.89.168.196 (IN/India/196.168.89.103.dynamic.dreamlink.in): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May  2 18:38:37 ir1 dovecot[264309]: imap-login: Disconnected (auth failed, 1 attempts in 12 secs): user=, method=PLAIN, rip=103.89.168.196, lip=5.63.12.44, session=
2020-05-03 01:03:52
183.89.215.104 attack
(smtpauth) Failed SMTP AUTH login from 183.89.215.104 (TH/Thailand/mx-ll-183.89.215-104.dynamic.3bb.in.th): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-05-02 19:18:16 plain authenticator failed for ([127.0.0.1]) [183.89.215.104]: 535 Incorrect authentication data (set_id=info)
2020-05-03 01:29:06
112.149.39.22 attackbots
Email rejected due to spam filtering
2020-05-03 00:58:05
94.102.56.181 attackbots
05/02/2020-11:38:36.850702 94.102.56.181 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-05-03 01:18:53
123.57.51.204 attackspambots
123.57.51.204 - - [02/May/2020:14:09:40 +0200] "GET /wp-login.php HTTP/1.1" 200 5702 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.57.51.204 - - [02/May/2020:14:09:44 +0200] "POST /wp-login.php HTTP/1.1" 200 5953 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
123.57.51.204 - - [02/May/2020:14:09:47 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-05-03 01:41:51
190.165.166.138 attackspam
May  2 17:48:32 roki-contabo sshd\[25493\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.165.166.138  user=root
May  2 17:48:34 roki-contabo sshd\[25493\]: Failed password for root from 190.165.166.138 port 33088 ssh2
May  2 17:53:55 roki-contabo sshd\[25553\]: Invalid user user1 from 190.165.166.138
May  2 17:53:55 roki-contabo sshd\[25553\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.165.166.138
May  2 17:53:57 roki-contabo sshd\[25553\]: Failed password for invalid user user1 from 190.165.166.138 port 43813 ssh2
...
2020-05-03 01:08:59
138.185.125.251 attackspambots
Unauthorised access (May  2) SRC=138.185.125.251 LEN=52 TTL=112 ID=18389 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-03 01:16:30
106.12.202.119 attackspambots
Apr 30 21:30:04 mail sshd[29566]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.202.119 
Apr 30 21:30:06 mail sshd[29566]: Failed password for invalid user mailman from 106.12.202.119 port 41474 ssh2
...
2020-05-03 01:27:36
60.190.249.121 attackbots
firewall-block, port(s): 445/tcp
2020-05-03 01:25:59
128.199.240.120 attackspam
Brute-force attempt banned
2020-05-03 01:33:30
36.67.163.146 attack
SSH login attempts.
2020-05-03 00:56:25

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