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 <<>> 21.123.144.142
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11547
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.123.144.142.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021900 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 19 19:28:59 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 142.144.123.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 142.144.123.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.223.197.3 attackspam
Too many connections or unauthorized access detected from Arctic banned ip
2020-06-16 06:16:21
120.70.101.85 attackbotsspam
Jun 15 13:41:58 pixelmemory sshd[2775704]: Invalid user concrete from 120.70.101.85 port 53010
Jun 15 13:41:58 pixelmemory sshd[2775704]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.101.85 
Jun 15 13:41:58 pixelmemory sshd[2775704]: Invalid user concrete from 120.70.101.85 port 53010
Jun 15 13:42:00 pixelmemory sshd[2775704]: Failed password for invalid user concrete from 120.70.101.85 port 53010 ssh2
Jun 15 13:45:34 pixelmemory sshd[2784078]: Invalid user netflow from 120.70.101.85 port 51816
...
2020-06-16 05:42:05
128.199.40.160 attack
Jun 15 22:45:29 mail sshd[6022]: Failed password for root from 128.199.40.160 port 51670 ssh2
...
2020-06-16 05:56:34
222.186.30.35 attackbotsspam
Jun 15 23:15:52 rocket sshd[20969]: Failed password for root from 222.186.30.35 port 63477 ssh2
Jun 15 23:16:00 rocket sshd[20971]: Failed password for root from 222.186.30.35 port 18395 ssh2
...
2020-06-16 06:16:58
222.186.30.57 attackspam
Too many connections or unauthorized access detected from Arctic banned ip
2020-06-16 06:11:47
91.145.76.184 attack
Jun 15 22:43:34 home sshd[13283]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.145.76.184
Jun 15 22:43:34 home sshd[13285]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.145.76.184
Jun 15 22:43:36 home sshd[13283]: Failed password for invalid user pi from 91.145.76.184 port 51324 ssh2
Jun 15 22:43:36 home sshd[13285]: Failed password for invalid user pi from 91.145.76.184 port 51326 ssh2
...
2020-06-16 06:15:22
185.234.216.214 attack
Jun 15 20:43:48 mail postfix/smtpd[67654]: warning: unknown[185.234.216.214]: SASL LOGIN authentication failed: generic failure
Jun 15 20:43:48 mail postfix/smtpd[67654]: warning: unknown[185.234.216.214]: SASL LOGIN authentication failed: generic failure
Jun 15 20:43:48 mail postfix/smtpd[67654]: warning: unknown[185.234.216.214]: SASL LOGIN authentication failed: generic failure
...
2020-06-16 05:59:55
45.86.201.36 attack
tcp 37777
2020-06-16 05:52:26
222.186.180.142 attackspam
Jun 15 21:37:25 localhost sshd[47824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.142  user=root
Jun 15 21:37:28 localhost sshd[47824]: Failed password for root from 222.186.180.142 port 41806 ssh2
Jun 15 21:37:30 localhost sshd[47824]: Failed password for root from 222.186.180.142 port 41806 ssh2
Jun 15 21:37:25 localhost sshd[47824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.142  user=root
Jun 15 21:37:28 localhost sshd[47824]: Failed password for root from 222.186.180.142 port 41806 ssh2
Jun 15 21:37:30 localhost sshd[47824]: Failed password for root from 222.186.180.142 port 41806 ssh2
Jun 15 21:37:25 localhost sshd[47824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.142  user=root
Jun 15 21:37:28 localhost sshd[47824]: Failed password for root from 222.186.180.142 port 41806 ssh2
Jun 15 21:37:30 localhost sshd[47
...
2020-06-16 05:53:06
78.128.113.115 attackbotsspam
Jun 15 21:26:50 mail.srvfarm.net postfix/smtpd[504913]: lost connection after CONNECT from unknown[78.128.113.115]
Jun 15 21:26:50 mail.srvfarm.net postfix/smtpd[478790]: lost connection after CONNECT from unknown[78.128.113.115]
Jun 15 21:26:50 mail.srvfarm.net postfix/smtpd[488667]: lost connection after CONNECT from unknown[78.128.113.115]
Jun 15 21:26:52 mail.srvfarm.net postfix/smtpd[504635]: warning: unknown[78.128.113.115]: SASL PLAIN authentication failed: 
Jun 15 21:26:52 mail.srvfarm.net postfix/smtpd[504635]: lost connection after AUTH from unknown[78.128.113.115]
2020-06-16 06:06:52
106.12.209.227 attack
2020-06-15T22:43:52+0200 Failed SSH Authentication/Brute Force Attack.(Server 2)
2020-06-16 05:57:35
139.59.254.93 attackspambots
2020-06-15T23:57:56.942534lavrinenko.info sshd[19342]: Invalid user test1 from 139.59.254.93 port 40978
2020-06-15T23:57:56.952248lavrinenko.info sshd[19342]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.254.93
2020-06-15T23:57:56.942534lavrinenko.info sshd[19342]: Invalid user test1 from 139.59.254.93 port 40978
2020-06-15T23:57:59.526681lavrinenko.info sshd[19342]: Failed password for invalid user test1 from 139.59.254.93 port 40978 ssh2
2020-06-16T00:01:39.181004lavrinenko.info sshd[19554]: Invalid user rd from 139.59.254.93 port 44816
...
2020-06-16 06:06:37
114.88.121.254 attackspambots
2020-06-16T00:35:52.257021mail.standpoint.com.ua sshd[30040]: Invalid user schneider from 114.88.121.254 port 52336
2020-06-16T00:35:52.259795mail.standpoint.com.ua sshd[30040]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.88.121.254
2020-06-16T00:35:52.257021mail.standpoint.com.ua sshd[30040]: Invalid user schneider from 114.88.121.254 port 52336
2020-06-16T00:35:54.287410mail.standpoint.com.ua sshd[30040]: Failed password for invalid user schneider from 114.88.121.254 port 52336 ssh2
2020-06-16T00:39:17.923094mail.standpoint.com.ua sshd[30493]: Invalid user alen from 114.88.121.254 port 49824
...
2020-06-16 05:48:15
179.107.34.178 attackbotsspam
Jun 15 10:10:21 : SSH login attempts with invalid user
2020-06-16 06:08:06
58.216.202.62 attack
reported through recidive - multiple failed attempts(SSH)
2020-06-16 05:46:35

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