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: Rochester Institute of Technology

Hostname: unknown

Organization: unknown

Usage Type: University/College/School

Comments:
Type Details Datetime
attackbots
Feb 25 23:08:41 dillonfme sshd\[9049\]: Invalid user dv from 129.21.208.142 port 44768
Feb 25 23:08:41 dillonfme sshd\[9049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.21.208.142
Feb 25 23:08:43 dillonfme sshd\[9049\]: Failed password for invalid user dv from 129.21.208.142 port 44768 ssh2
Feb 25 23:13:09 dillonfme sshd\[9280\]: Invalid user ua from 129.21.208.142 port 43166
Feb 25 23:13:09 dillonfme sshd\[9280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.21.208.142
...
2019-12-24 02:36:10
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 129.21.208.142
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26911
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;129.21.208.142.			IN	A

;; AUTHORITY SECTION:
.			458	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019122302 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Dec 24 02:35:59 CST 2019
;; MSG SIZE  rcvd: 118
Host info
142.208.21.129.in-addr.arpa domain name pointer vm559b.se.rit.edu.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
142.208.21.129.in-addr.arpa	name = vm559b.se.rit.edu.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
104.248.80.78 attackspam
Jun 29 12:36:08 cp sshd[14928]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.80.78
Jun 29 12:36:08 cp sshd[14928]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.80.78
2019-06-29 22:03:02
203.202.249.214 attackspam
Unauthorized connection attempt from IP address 203.202.249.214 on Port 445(SMB)
2019-06-29 22:08:43
81.213.153.204 attack
firewall-block, port(s): 23/tcp
2019-06-29 22:20:56
113.160.227.121 attackbots
Unauthorized connection attempt from IP address 113.160.227.121 on Port 445(SMB)
2019-06-29 22:24:00
45.248.160.67 attackspam
Unauthorized connection attempt from IP address 45.248.160.67 on Port 445(SMB)
2019-06-29 22:10:54
113.189.54.98 attackbotsspam
Unauthorized connection attempt from IP address 113.189.54.98 on Port 445(SMB)
2019-06-29 22:37:34
185.173.35.25 attackbots
29.06.2019 10:51:34 Connection to port 5353 blocked by firewall
2019-06-29 22:03:26
61.178.41.252 attackbots
Unauthorized connection attempt from IP address 61.178.41.252 on Port 445(SMB)
2019-06-29 22:22:01
45.230.100.247 attackspam
Spam mails sent to address hacked/leaked from Nexus Mods in July 2013
2019-06-29 22:38:11
198.108.66.16 attack
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-06-29 11:22:07,075 INFO [amun_request_handler] PortScan Detected on Port: 587 (198.108.66.16)
2019-06-29 21:55:30
195.54.21.219 attack
Unauthorized connection attempt from IP address 195.54.21.219 on Port 445(SMB)
2019-06-29 22:38:31
142.0.70.36 attack
Unauthorized connection attempt from IP address 142.0.70.36 on Port 445(SMB)
2019-06-29 22:04:16
5.113.203.118 attackspam
Unauthorized connection attempt from IP address 5.113.203.118 on Port 445(SMB)
2019-06-29 21:53:55
185.51.112.198 attackspambots
Unauthorized connection attempt from IP address 185.51.112.198 on Port 445(SMB)
2019-06-29 22:27:32
49.67.65.116 attackspambots
2019-06-29T09:53:44.115756 X postfix/smtpd[16987]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29T10:22:11.000381 X postfix/smtpd[19871]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29T10:32:17.424255 X postfix/smtpd[22857]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29 21:58:02

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