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 <<>> 104.21.68.73
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23463
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.68.73.			IN	A

;; AUTHORITY SECTION:
.			384	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:17:21 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 73.68.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 73.68.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
111.229.226.212 attackbotsspam
May 31 22:13:54 ns382633 sshd\[15561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.226.212  user=root
May 31 22:13:55 ns382633 sshd\[15561\]: Failed password for root from 111.229.226.212 port 40046 ssh2
May 31 22:20:26 ns382633 sshd\[17112\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.226.212  user=root
May 31 22:20:28 ns382633 sshd\[17112\]: Failed password for root from 111.229.226.212 port 55962 ssh2
May 31 22:23:50 ns382633 sshd\[17379\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.226.212  user=root
2020-06-01 07:12:38
61.182.226.42 attackspambots
SASL PLAIN auth failed: ruser=...
2020-06-01 07:07:44
134.209.194.208 attackspambots
Jun  1 00:26:41 piServer sshd[24239]: Failed password for root from 134.209.194.208 port 55988 ssh2
Jun  1 00:30:10 piServer sshd[24451]: Failed password for root from 134.209.194.208 port 33126 ssh2
...
2020-06-01 07:18:21
167.71.210.34 attackspambots
2020-05-31T18:19:00.8616971495-001 sshd[2508]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.210.34  user=root
2020-05-31T18:19:02.6162551495-001 sshd[2508]: Failed password for root from 167.71.210.34 port 46872 ssh2
2020-05-31T18:20:31.3553841495-001 sshd[2592]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.210.34  user=root
2020-05-31T18:20:32.9344031495-001 sshd[2592]: Failed password for root from 167.71.210.34 port 41348 ssh2
2020-05-31T18:22:02.2485801495-001 sshd[2667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.210.34  user=root
2020-05-31T18:22:04.9911311495-001 sshd[2667]: Failed password for root from 167.71.210.34 port 35824 ssh2
...
2020-06-01 06:59:21
49.233.52.254 attack
...
2020-06-01 06:51:25
88.73.176.248 attackbotsspam
May 31 22:17:00 web sshd[17564]: Failed password for root from 88.73.176.248 port 55876 ssh2
May 31 22:23:47 web sshd[17573]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=88.73.176.248  user=root
May 31 22:23:48 web sshd[17573]: Failed password for root from 88.73.176.248 port 33170 ssh2
...
2020-06-01 07:14:32
92.63.194.105 attackspam
May 31 23:23:48 root sshd[27219]: Invalid user user from 92.63.194.105
...
2020-06-01 07:16:29
194.5.207.189 attack
Jun  1 00:53:24 vmd17057 sshd[3585]: Failed password for root from 194.5.207.189 port 56616 ssh2
...
2020-06-01 07:05:38
189.8.89.113 attackbots
Lines containing failures of 189.8.89.113
May 31 16:14:43 shared05 sshd[3225]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.8.89.113  user=r.r
May 31 16:14:45 shared05 sshd[3225]: Failed password for r.r from 189.8.89.113 port 30785 ssh2
May 31 16:14:45 shared05 sshd[3225]: Received disconnect from 189.8.89.113 port 30785:11: Bye Bye [preauth]
May 31 16:14:45 shared05 sshd[3225]: Disconnected from authenticating user r.r 189.8.89.113 port 30785 [preauth]
May 31 16:16:24 shared05 sshd[3835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.8.89.113  user=r.r
May 31 16:16:26 shared05 sshd[3835]: Failed password for r.r from 189.8.89.113 port 31308 ssh2
May 31 16:16:26 shared05 sshd[3835]: Received disconnect from 189.8.89.113 port 31308:11: Bye Bye [preauth]
May 31 16:16:26 shared05 sshd[3835]: Disconnected from authenticating user r.r 189.8.89.113 port 31308 [preauth]


........
-------------------------------------------
2020-06-01 07:08:25
124.78.152.241 attack
May 31 19:07:13 our-server-hostname sshd[5802]: reveeclipse mapping checking getaddrinfo for 241.152.78.124.broad.xw.sh.dynamic.163data.com.cn [124.78.152.241] failed - POSSIBLE BREAK-IN ATTEMPT!
May 31 19:07:13 our-server-hostname sshd[5802]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.78.152.241  user=r.r
May 31 19:07:15 our-server-hostname sshd[5802]: Failed password for r.r from 124.78.152.241 port 40150 ssh2
May 31 19:12:53 our-server-hostname sshd[6752]: reveeclipse mapping checking getaddrinfo for 241.152.78.124.broad.xw.sh.dynamic.163data.com.cn [124.78.152.241] failed - POSSIBLE BREAK-IN ATTEMPT!
May 31 19:12:53 our-server-hostname sshd[6752]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.78.152.241  user=r.r
May 31 19:12:55 our-server-hostname sshd[6752]: Failed password for r.r from 124.78.152.241 port 56728 ssh2
May 31 19:18:20 our-server-hostname sshd[7834]: reveec........
-------------------------------
2020-06-01 06:45:00
176.122.106.246 attackspam
slow and persistent scanner
2020-06-01 06:50:44
116.110.146.9 attackspam
SSH brute-force: detected 10 distinct usernames within a 24-hour window.
2020-06-01 06:39:47
150.109.150.77 attackbotsspam
2020-05-31T20:10:09.227263ionos.janbro.de sshd[19457]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.150.77  user=root
2020-05-31T20:10:11.420977ionos.janbro.de sshd[19457]: Failed password for root from 150.109.150.77 port 52362 ssh2
2020-05-31T20:13:33.247468ionos.janbro.de sshd[19476]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.150.77  user=root
2020-05-31T20:13:35.008125ionos.janbro.de sshd[19476]: Failed password for root from 150.109.150.77 port 53076 ssh2
2020-05-31T20:17:01.837410ionos.janbro.de sshd[19478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.150.77  user=root
2020-05-31T20:17:04.154876ionos.janbro.de sshd[19478]: Failed password for root from 150.109.150.77 port 53798 ssh2
2020-05-31T20:20:29.449234ionos.janbro.de sshd[19481]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=15
...
2020-06-01 07:09:42
185.143.74.93 attack
Jun  1 00:43:46 websrv1.derweidener.de postfix/smtpd[557886]: warning: unknown[185.143.74.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 00:45:19 websrv1.derweidener.de postfix/smtpd[558088]: warning: unknown[185.143.74.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 00:46:47 websrv1.derweidener.de postfix/smtpd[558088]: warning: unknown[185.143.74.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 00:48:24 websrv1.derweidener.de postfix/smtpd[558088]: warning: unknown[185.143.74.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun  1 00:49:56 websrv1.derweidener.de postfix/smtpd[558088]: warning: unknown[185.143.74.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-06-01 07:06:22
201.191.203.154 attack
May 31 23:16:17 h2779839 sshd[24176]: Invalid user Password@12345\r from 201.191.203.154 port 55764
May 31 23:16:17 h2779839 sshd[24176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.191.203.154
May 31 23:16:17 h2779839 sshd[24176]: Invalid user Password@12345\r from 201.191.203.154 port 55764
May 31 23:16:19 h2779839 sshd[24176]: Failed password for invalid user Password@12345\r from 201.191.203.154 port 55764 ssh2
May 31 23:17:19 h2779839 sshd[24235]: Invalid user 123abc@\r from 201.191.203.154 port 37348
May 31 23:17:19 h2779839 sshd[24235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.191.203.154
May 31 23:17:19 h2779839 sshd[24235]: Invalid user 123abc@\r from 201.191.203.154 port 37348
May 31 23:17:21 h2779839 sshd[24235]: Failed password for invalid user 123abc@\r from 201.191.203.154 port 37348 ssh2
May 31 23:18:23 h2779839 sshd[24246]: Invalid user t0ch20x\r from 201.191.203.154 port 
...
2020-06-01 06:58:01

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