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: China

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.140.103.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31878
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.140.103.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020401 1800 900 604800 86400

;; Query time: 31 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 13:26:27 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.103.140.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.103.140.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.227.62.103 attack
Sep 16 23:54:48 email sshd\[18444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.62.103  user=root
Sep 16 23:54:50 email sshd\[18444\]: Failed password for root from 165.227.62.103 port 47056 ssh2
Sep 16 23:59:04 email sshd\[19213\]: Invalid user nouman from 165.227.62.103
Sep 16 23:59:04 email sshd\[19213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.62.103
Sep 16 23:59:06 email sshd\[19213\]: Failed password for invalid user nouman from 165.227.62.103 port 58350 ssh2
...
2020-09-17 08:19:03
51.77.200.101 attack
2020-09-16T19:40:17.557558Z e448be26e06a New connection: 51.77.200.101:48688 (172.17.0.2:2222) [session: e448be26e06a]
2020-09-16T19:52:15.786969Z d8af779f240c New connection: 51.77.200.101:38644 (172.17.0.2:2222) [session: d8af779f240c]
2020-09-17 08:26:55
74.120.14.73 attackbots
Port Scan/VNC login attempt
...
2020-09-17 08:13:19
191.235.73.232 attackspam
Sep 16 20:50:55 mail.srvfarm.net postfix/smtps/smtpd[3653364]: warning: unknown[191.235.73.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 16 20:52:17 mail.srvfarm.net postfix/smtps/smtpd[3655341]: warning: unknown[191.235.73.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 16 20:53:41 mail.srvfarm.net postfix/smtps/smtpd[3653364]: warning: unknown[191.235.73.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 16 20:55:08 mail.srvfarm.net postfix/smtps/smtpd[3653365]: warning: unknown[191.235.73.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 16 20:56:28 mail.srvfarm.net postfix/smtps/smtpd[3656359]: warning: unknown[191.235.73.232]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-09-17 08:37:10
162.247.74.202 attackbots
2020-09-17T01:54[Censored Hostname] sshd[22322]: Failed password for root from 162.247.74.202 port 53678 ssh2
2020-09-17T01:54[Censored Hostname] sshd[22322]: Failed password for root from 162.247.74.202 port 53678 ssh2
2020-09-17T01:54[Censored Hostname] sshd[22322]: Failed password for root from 162.247.74.202 port 53678 ssh2[...]
2020-09-17 08:22:58
103.98.17.10 attackspam
Invalid user jtsai from 103.98.17.10 port 56854
2020-09-17 08:06:24
141.98.80.188 attackbots
2020-09-17 02:39:55 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data \(set_id=ller@jugend-ohne-grenzen.net\)
2020-09-17 02:40:02 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:11 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:16 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:28 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:33 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:38 dovecot_login authenticator failed for \(\[141.98.80.188\]\) \[141.98.80.188\]: 535 Incorrect authentication data
2020-09-17 02:40:38 do
...
2020-09-17 08:42:32
45.55.60.215 attackbots
Trolling for resource vulnerabilities
2020-09-17 08:33:28
104.243.41.97 attackspam
Sep 16 09:54:31 pixelmemory sshd[3312506]: Failed password for root from 104.243.41.97 port 52116 ssh2
Sep 16 09:59:06 pixelmemory sshd[3324089]: Invalid user lfy from 104.243.41.97 port 55170
Sep 16 09:59:06 pixelmemory sshd[3324089]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.243.41.97 
Sep 16 09:59:06 pixelmemory sshd[3324089]: Invalid user lfy from 104.243.41.97 port 55170
Sep 16 09:59:08 pixelmemory sshd[3324089]: Failed password for invalid user lfy from 104.243.41.97 port 55170 ssh2
...
2020-09-17 08:08:58
212.182.124.99 attackspambots
Sep 16 18:26:09 mail.srvfarm.net postfix/smtps/smtpd[3600420]: warning: frond.ae1x367.dhiblang.lubman.net.pl[212.182.124.99]: SASL PLAIN authentication failed: 
Sep 16 18:26:09 mail.srvfarm.net postfix/smtps/smtpd[3600420]: lost connection after AUTH from frond.ae1x367.dhiblang.lubman.net.pl[212.182.124.99]
Sep 16 18:28:50 mail.srvfarm.net postfix/smtpd[3597749]: warning: frond.ae1x367.dhiblang.lubman.net.pl[212.182.124.99]: SASL PLAIN authentication failed: 
Sep 16 18:28:50 mail.srvfarm.net postfix/smtpd[3597749]: lost connection after AUTH from frond.ae1x367.dhiblang.lubman.net.pl[212.182.124.99]
Sep 16 18:34:26 mail.srvfarm.net postfix/smtpd[3603351]: warning: frond.ae1x367.dhiblang.lubman.net.pl[212.182.124.99]: SASL PLAIN authentication failed:
2020-09-17 08:35:05
186.101.105.244 attackspambots
smtp probe/invalid login attempt
2020-09-17 08:38:52
118.125.106.12 attackspam
Banned for a week because repeated abuses, for example SSH, but not only
2020-09-17 08:08:29
198.251.83.248 attack
2020-09-16T23:37:55+0000 Failed SSH Authentication/Brute Force Attack. (Server 6)
2020-09-17 08:19:15
167.71.196.176 attackbotsspam
Sep 17 01:39:52 server sshd[17511]: Failed password for invalid user web from 167.71.196.176 port 60350 ssh2
Sep 17 01:44:05 server sshd[19834]: Failed password for invalid user dalia from 167.71.196.176 port 39496 ssh2
Sep 17 01:48:06 server sshd[21884]: Failed password for root from 167.71.196.176 port 46878 ssh2
2020-09-17 08:07:12
118.70.183.154 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-09-17 08:16:36

Recently Reported IPs

214.249.163.42 76.238.253.73 141.90.143.219 164.59.203.185
51.125.197.115 61.117.133.168 93.241.68.17 47.191.148.225
16.109.40.9 5.148.184.164 70.181.197.35 59.195.204.124
69.22.47.68 64.63.55.247 227.17.250.178 53.41.169.68
30.243.38.36 136.194.121.79 126.186.83.108 243.217.88.142