21.57.83.142 - IPInfo

Basic Info

City: unknown

Region: unknown

Country: United States of America (the)

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:

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Comments on same subnet:

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Whois info:

Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 21.57.83.142
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44799
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.57.83.142.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022703 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 28 12:01:00 CST 2025
;; MSG SIZE  rcvd: 105

Host info

Host 142.83.57.21.in-addr.arpa. not found: 3(NXDOMAIN)

Nslookup info:

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 142.83.57.21.in-addr.arpa: NXDOMAIN

Related IP info:

Related comments:

IP	Type	Details	Datetime
125.25.54.43	attackspam	Sun, 21 Jul 2019 18:29:03 +0000 likely compromised host or open proxy. ddos rate spidering	2019-07-22 03:06:51
212.83.145.12	attackbots	\[2019-07-21 14:11:39\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-21T14:11:39.024-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="89011972592277524",SessionID="0x7f06f81b1a88",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/55932",ACLName="no_extension_match" \[2019-07-21 14:16:35\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-21T14:16:35.260-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="100011972592277524",SessionID="0x7f06f80825f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/64125",ACLName="no_extension_match" \[2019-07-21 14:21:39\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-21T14:21:39.587-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="702011972592277524",SessionID="0x7f06f80825f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.145.12/51039",ACLN	2019-07-22 02:23:30
192.162.62.197	attack	Autoban 192.162.62.197 AUTH/CONNECT	2019-07-22 03:05:53
218.92.1.156	attackspam	Jul 21 20:16:24 h2177944 sshd\[26904\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.1.156 user=root Jul 21 20:16:26 h2177944 sshd\[26904\]: Failed password for root from 218.92.1.156 port 35378 ssh2 Jul 21 20:16:29 h2177944 sshd\[26904\]: Failed password for root from 218.92.1.156 port 35378 ssh2 Jul 21 20:16:32 h2177944 sshd\[26904\]: Failed password for root from 218.92.1.156 port 35378 ssh2 ...	2019-07-22 02:28:11
202.62.45.17	attackbots	Jul 21 20:29:08 mail postfix/smtpd\[15012\]: NOQUEUE: reject: RCPT from unknown\[202.62.45.17\]: 554 5.7.1 Service unavailable\; Client host \[202.62.45.17\] blocked using zen.spamhaus.org\; https://www.spamhaus.org/sbl/query/SBLCSS / https://www.spamhaus.org/query/ip/202.62.45.17\; from=\ to=\ proto=ESMTP helo=\\	2019-07-22 02:43:46
189.238.57.105	attackspambots	Sun, 21 Jul 2019 18:29:11 +0000 likely compromised host or open proxy. ddos rate spidering	2019-07-22 02:42:25
140.247.28.69	attackbotsspam	Jul 21 18:20:44 rb06 sshd[2968]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dhcp-140-247-28-69.fas.harvard.edu Jul 21 18:20:47 rb06 sshd[2968]: Failed password for invalid user gas from 140.247.28.69 port 46528 ssh2 Jul 21 18:20:47 rb06 sshd[2968]: Received disconnect from 140.247.28.69: 11: Bye Bye [preauth] Jul 21 18:30:04 rb06 sshd[14266]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dhcp-140-247-28-69.fas.harvard.edu Jul 21 18:30:06 rb06 sshd[14266]: Failed password for invalid user ubuntu from 140.247.28.69 port 46204 ssh2 Jul 21 18:30:06 rb06 sshd[14266]: Received disconnect from 140.247.28.69: 11: Bye Bye [preauth] Jul 21 18:34:24 rb06 sshd[15470]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=dhcp-140-247-28-69.fas.harvard.edu Jul 21 18:34:26 rb06 sshd[15470]: Failed password for invalid user yz from 140.247.28.69 port 44078 ssh2 Jul ........ -------------------------------	2019-07-22 02:54:46
193.192.115.86	attackspam	Autoban 193.192.115.86 AUTH/CONNECT	2019-07-22 02:53:42
185.81.157.104	attackbots	scan z	2019-07-22 02:51:29
77.78.13.43	attackbots	Sun, 21 Jul 2019 18:29:14 +0000 likely compromised host or open proxy. ddos rate spidering	2019-07-22 02:33:39
91.234.194.246	attackbots	Automatic report - Banned IP Access	2019-07-22 02:40:10
193.37.70.37	attackspam	Autoban 193.37.70.37 AUTH/CONNECT	2019-07-22 02:35:37
193.37.70.39	attack	Autoban 193.37.70.39 AUTH/CONNECT	2019-07-22 02:34:34
36.71.232.132	attack	Sun, 21 Jul 2019 18:29:10 +0000 likely compromised host or open proxy. ddos rate spidering	2019-07-22 02:47:22
172.254.82.45	attackbotsspam	Automatic report - Port Scan Attack	2019-07-22 02:24:33

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