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: 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 <<>> 104.21.51.245
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6634
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.245.			IN	A

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

;; Query time: 21 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:42:02 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 245.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 245.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
194.156.184.28 attackbotsspam
Aug  4 11:20:05 r.ca sshd[19928]: Failed password for root from 194.156.184.28 port 48841 ssh2
2020-08-05 00:17:49
120.27.208.157 attack
Aug  4 10:32:43 s30-ffm-r02 sshd[26444]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.27.208.157  user=r.r
Aug  4 10:32:44 s30-ffm-r02 sshd[26444]: Failed password for r.r from 120.27.208.157 port 37722 ssh2
Aug  4 10:45:21 s30-ffm-r02 sshd[26827]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.27.208.157  user=r.r
Aug  4 10:45:23 s30-ffm-r02 sshd[26827]: Failed password for r.r from 120.27.208.157 port 51832 ssh2
Aug  4 10:47:13 s30-ffm-r02 sshd[26882]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.27.208.157  user=r.r
Aug  4 10:47:15 s30-ffm-r02 sshd[26882]: Failed password for r.r from 120.27.208.157 port 60748 ssh2
Aug  4 10:48:52 s30-ffm-r02 sshd[26931]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.27.208.157  user=r.r
Aug  4 10:48:54 s30-ffm-r02 sshd[26931]: Failed password for r.r ........
-------------------------------
2020-08-04 23:49:52
201.150.52.35 attackspam
" "
2020-08-05 00:23:31
111.118.135.132 attack
Dovecot Invalid User Login Attempt.
2020-08-05 00:24:20
170.253.22.179 attack
Aug  4 14:02:51 localhost sshd\[6361\]: Invalid user pi from 170.253.22.179
Aug  4 14:02:51 localhost sshd\[6361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.253.22.179
Aug  4 14:02:51 localhost sshd\[6363\]: Invalid user pi from 170.253.22.179
Aug  4 14:02:51 localhost sshd\[6363\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=170.253.22.179
Aug  4 14:02:53 localhost sshd\[6361\]: Failed password for invalid user pi from 170.253.22.179 port 36626 ssh2
...
2020-08-05 00:11:08
45.6.18.65 attackspam
2020-08-04T09:20:28.347425abusebot-5.cloudsearch.cf sshd[1787]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.6.18.65  user=root
2020-08-04T09:20:30.678886abusebot-5.cloudsearch.cf sshd[1787]: Failed password for root from 45.6.18.65 port 54415 ssh2
2020-08-04T09:23:22.494909abusebot-5.cloudsearch.cf sshd[1803]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.6.18.65  user=root
2020-08-04T09:23:24.379716abusebot-5.cloudsearch.cf sshd[1803]: Failed password for root from 45.6.18.65 port 17548 ssh2
2020-08-04T09:26:22.886594abusebot-5.cloudsearch.cf sshd[1815]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.6.18.65  user=root
2020-08-04T09:26:24.816529abusebot-5.cloudsearch.cf sshd[1815]: Failed password for root from 45.6.18.65 port 37179 ssh2
2020-08-04T09:29:16.113066abusebot-5.cloudsearch.cf sshd[1876]: pam_unix(sshd:auth): authentication failure; lognam
...
2020-08-05 00:32:03
39.105.13.150 attackspam
Failed password for root from 39.105.13.150 port 47272 ssh2
2020-08-05 00:29:58
88.218.92.10 attackbotsspam
445/tcp 445/tcp
[2020-07-31/08-04]2pkt
2020-08-04 23:52:51
83.48.101.184 attackspam
Aug  4 11:09:49 game-panel sshd[25561]: Failed password for root from 83.48.101.184 port 43794 ssh2
Aug  4 11:12:19 game-panel sshd[25716]: Failed password for root from 83.48.101.184 port 45038 ssh2
2020-08-05 00:34:53
72.143.100.14 attackspam
"Unauthorized connection attempt on SSHD detected"
2020-08-04 23:54:01
185.82.126.48 attack
2020-08-04T18:14:55.405283+02:00  sshd[31330]: Failed password for root from 185.82.126.48 port 33402 ssh2
2020-08-05 00:25:37
123.16.188.122 attackspambots
Unauthorised access (Aug  4) SRC=123.16.188.122 LEN=52 TTL=46 ID=2893 DF TCP DPT=445 WINDOW=8192 SYN
2020-08-05 00:23:51
181.209.242.27 attack
Aug  4 11:11:05 servernet sshd[5353]: Invalid user admin from 181.209.242.27
Aug  4 11:11:05 servernet sshd[5353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.209.242.27 
Aug  4 11:11:07 servernet sshd[5353]: Failed password for invalid user admin from 181.209.242.27 port 36284 ssh2
Aug  4 11:11:08 servernet sshd[5355]: Invalid user admin from 181.209.242.27

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=181.209.242.27
2020-08-05 00:00:02
178.216.0.110 attack
Automatic report - Port Scan Attack
2020-08-05 00:07:31
106.12.174.227 attackspambots
Aug  4 14:27:21 vps639187 sshd\[20118\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.174.227  user=root
Aug  4 14:27:23 vps639187 sshd\[20118\]: Failed password for root from 106.12.174.227 port 49782 ssh2
Aug  4 14:32:56 vps639187 sshd\[20245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.174.227  user=root
...
2020-08-04 23:46:22

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