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: None

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 <<>> 104.21.13.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1230
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.42.			IN	A

;; AUTHORITY SECTION:
.			424	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:56 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 42.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
124.235.206.130 attackbotsspam
Nov 27 09:29:30 pornomens sshd\[20234\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.235.206.130  user=root
Nov 27 09:29:32 pornomens sshd\[20234\]: Failed password for root from 124.235.206.130 port 59608 ssh2
Nov 27 09:36:21 pornomens sshd\[20290\]: Invalid user guest from 124.235.206.130 port 61729
Nov 27 09:36:21 pornomens sshd\[20290\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.235.206.130
...
2019-11-27 18:42:46
162.243.50.8 attackspam
Nov 27 00:28:36 php1 sshd\[5185\]: Invalid user ervin from 162.243.50.8
Nov 27 00:28:36 php1 sshd\[5185\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.50.8
Nov 27 00:28:38 php1 sshd\[5185\]: Failed password for invalid user ervin from 162.243.50.8 port 54941 ssh2
Nov 27 00:34:43 php1 sshd\[5642\]: Invalid user dovecot from 162.243.50.8
Nov 27 00:34:43 php1 sshd\[5642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.243.50.8
2019-11-27 18:35:36
45.82.153.79 attack
2019-11-27 11:08:38 dovecot_login authenticator failed for \(\[45.82.153.79\]\) \[45.82.153.79\]: 535 Incorrect authentication data \(set_id=support@nophost.com\)
2019-11-27 11:08:50 dovecot_login authenticator failed for \(\[45.82.153.79\]\) \[45.82.153.79\]: 535 Incorrect authentication data
2019-11-27 11:09:02 dovecot_login authenticator failed for \(\[45.82.153.79\]\) \[45.82.153.79\]: 535 Incorrect authentication data
2019-11-27 11:09:18 dovecot_login authenticator failed for \(\[45.82.153.79\]\) \[45.82.153.79\]: 535 Incorrect authentication data
2019-11-27 11:09:27 dovecot_login authenticator failed for \(\[45.82.153.79\]\) \[45.82.153.79\]: 535 Incorrect authentication data
2019-11-27 18:17:55
185.209.0.89 attackbotsspam
11/27/2019-10:37:30.574764 185.209.0.89 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-11-27 18:19:08
200.107.236.174 attackbotsspam
Nov 26 21:48:37 eddieflores sshd\[1415\]: Invalid user nataniel from 200.107.236.174
Nov 26 21:48:37 eddieflores sshd\[1415\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.107.236.174
Nov 26 21:48:39 eddieflores sshd\[1415\]: Failed password for invalid user nataniel from 200.107.236.174 port 42632 ssh2
Nov 26 21:56:13 eddieflores sshd\[2098\]: Invalid user ginley from 200.107.236.174
Nov 26 21:56:13 eddieflores sshd\[2098\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.107.236.174
2019-11-27 18:09:52
201.22.95.52 attackbotsspam
Nov 27 08:45:03 vtv3 sshd[7547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.22.95.52 
Nov 27 08:45:04 vtv3 sshd[7547]: Failed password for invalid user webmaster from 201.22.95.52 port 54234 ssh2
Nov 27 08:53:55 vtv3 sshd[11406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.22.95.52 
Nov 27 09:04:31 vtv3 sshd[16112]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.22.95.52 
Nov 27 09:04:33 vtv3 sshd[16112]: Failed password for invalid user ircd from 201.22.95.52 port 59795 ssh2
Nov 27 09:09:45 vtv3 sshd[18444]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.22.95.52 
Nov 27 09:21:05 vtv3 sshd[23740]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.22.95.52 
Nov 27 09:21:07 vtv3 sshd[23740]: Failed password for invalid user aenensti from 201.22.95.52 port 56614 ssh2
Nov 27 09:26:18 vtv
2019-11-27 18:13:11
104.236.175.127 attackbots
2019-11-27T11:31:07.766385tmaserv sshd\[24101\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.175.127  user=root
2019-11-27T11:31:10.139734tmaserv sshd\[24101\]: Failed password for root from 104.236.175.127 port 49644 ssh2
2019-11-27T11:42:38.077863tmaserv sshd\[24555\]: Invalid user hung from 104.236.175.127 port 42474
2019-11-27T11:42:38.082682tmaserv sshd\[24555\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.175.127
2019-11-27T11:42:40.651728tmaserv sshd\[24555\]: Failed password for invalid user hung from 104.236.175.127 port 42474 ssh2
2019-11-27T11:48:41.380702tmaserv sshd\[24747\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.236.175.127  user=root
...
2019-11-27 18:06:07
179.107.57.78 attackbots
Nov 27 16:32:16 our-server-hostname postfix/smtpd[16238]: connect from unknown[179.107.57.78]
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=179.107.57.78
2019-11-27 18:24:00
45.226.81.197 attack
SSH Bruteforce attack
2019-11-27 18:08:43
128.199.178.188 attackspam
Nov 27 10:37:45 root sshd[26893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.178.188 
Nov 27 10:37:47 root sshd[26893]: Failed password for invalid user znc-admin from 128.199.178.188 port 34038 ssh2
Nov 27 10:44:40 root sshd[27014]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.178.188 
...
2019-11-27 18:30:48
159.203.201.84 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-27 18:45:25
160.20.13.4 attack
Nov 27 16:31:03 our-server-hostname postfix/smtpd[28795]: connect from unknown[160.20.13.4]
Nov x@x
Nov 27 16:31:08 our-server-hostname postfix/smtpd[28795]: 384FDA40114: client=unknown[160.20.13.4]
Nov 27 16:31:08 our-server-hostname postfix/smtpd[18320]: D7585A40057: client=unknown[127.0.0.1], orig_client=unknown[160.20.13.4]
Nov x@x
.... truncated .... 

Nov 27 16:31:03 our-server-hostname postfix/smtpd[28795]: connect from unknown[160.20.13.4]
Nov x@x
Nov 27 16:31:08 our-server-hostname postfix/smtpd[28795]: 384FDA40114: client=unknown[160.20.13.4]
Nov 27 16:31:08 our-server-hostname postfix/smtpd[18320]: D7585A40057: client=unknown[127.0.0.1], orig_client=unknown[160.20.13.4]
Nov 27 16:31:08 our-server-hostname amavis[22332]: (22332-13) Passed CLEAN, [160.20.13.4] [160.20.13.4] , mail_id: 512ZimJyXoPc, Hhostnames: -, size: 6612, queued_as: D7585A40057, 126 ms
Nov x@x
Nov 27 16:31:09 our-server-hostname postfix/smtpd[28795]: 2C7ABA40057: client=unknown[160.20.1........
-------------------------------
2019-11-27 18:39:52
51.77.141.158 attack
Nov 27 08:22:51 server sshd\[12583\]: Invalid user on from 51.77.141.158 port 36325
Nov 27 08:22:51 server sshd\[12583\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.141.158
Nov 27 08:22:52 server sshd\[12583\]: Failed password for invalid user on from 51.77.141.158 port 36325 ssh2
Nov 27 08:26:00 server sshd\[19030\]: User root from 51.77.141.158 not allowed because listed in DenyUsers
Nov 27 08:26:00 server sshd\[19030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.141.158  user=root
2019-11-27 18:22:25
176.57.220.51 attackspam
Lines containing failures of 176.57.220.51


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=176.57.220.51
2019-11-27 18:33:04
91.121.86.62 attack
Nov 27 10:35:45 vps666546 sshd\[29245\]: Invalid user admin from 91.121.86.62 port 52670
Nov 27 10:35:45 vps666546 sshd\[29245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.86.62
Nov 27 10:35:47 vps666546 sshd\[29245\]: Failed password for invalid user admin from 91.121.86.62 port 52670 ssh2
Nov 27 10:41:58 vps666546 sshd\[29502\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.86.62  user=root
Nov 27 10:42:00 vps666546 sshd\[29502\]: Failed password for root from 91.121.86.62 port 60918 ssh2
...
2019-11-27 18:03:29

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