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 <<>> 104.21.57.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32642
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.104.			IN	A

;; AUTHORITY SECTION:
.			410	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:38:05 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 104.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
153.162.106.56 attack
Aug 25 11:29:30 mail sshd\[23966\]: Invalid user administrator from 153.162.106.56 port 60030
Aug 25 11:29:30 mail sshd\[23966\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.162.106.56
Aug 25 11:29:33 mail sshd\[23966\]: Failed password for invalid user administrator from 153.162.106.56 port 60030 ssh2
Aug 25 11:35:24 mail sshd\[24759\]: Invalid user monitor from 153.162.106.56 port 55620
Aug 25 11:35:24 mail sshd\[24759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.162.106.56
2019-08-26 00:04:14
51.68.230.54 attackspam
Aug 25 04:12:30 auw2 sshd\[9630\]: Invalid user samba from 51.68.230.54
Aug 25 04:12:30 auw2 sshd\[9630\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-51-68-230.eu
Aug 25 04:12:32 auw2 sshd\[9630\]: Failed password for invalid user samba from 51.68.230.54 port 51968 ssh2
Aug 25 04:18:37 auw2 sshd\[10175\]: Invalid user adm from 51.68.230.54
Aug 25 04:18:37 auw2 sshd\[10175\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-51-68-230.eu
2019-08-25 23:36:41
123.30.154.184 attackbotsspam
Aug 25 16:31:57 srv206 sshd[13622]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.30.154.184  user=root
Aug 25 16:31:59 srv206 sshd[13622]: Failed password for root from 123.30.154.184 port 45852 ssh2
Aug 25 16:38:23 srv206 sshd[13642]: Invalid user peu01 from 123.30.154.184
...
2019-08-25 23:27:13
92.118.37.95 attack
Multiport scan : 370 ports scanned 80 87 92 93 95 97 100 102 109 117 125 135 145 150 163 173 177 178 179 188 193 194 211 213 216 226 231 235 236 247 259 265 279 283 285 290 292 303 328 335 345 355 360 365 366 370 371 375 383 388 398 403 426 429 431 434 450 451 452 456 474 484 494 497 504 509 525 542 544 550 565 566 568 570 578 593 595 598 599 602 603 610 614 618 621 628 631 645 646 648 651 661 669 674 678 688 696 701 706 712 716 722 .....
2019-08-25 23:25:53
211.174.227.230 attackbotsspam
2019-08-25 03:33:48,851 fail2ban.actions        [878]: NOTICE  [sshd] Ban 211.174.227.230
2019-08-25 06:39:13,418 fail2ban.actions        [878]: NOTICE  [sshd] Ban 211.174.227.230
2019-08-25 09:46:45,511 fail2ban.actions        [878]: NOTICE  [sshd] Ban 211.174.227.230
...
2019-08-25 22:45:59
78.182.105.204 attack
Automatic report - Port Scan Attack
2019-08-25 23:39:34
148.70.62.12 attackspambots
Aug 25 12:10:28 rpi sshd[30894]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.62.12 
Aug 25 12:10:30 rpi sshd[30894]: Failed password for invalid user shuai from 148.70.62.12 port 40618 ssh2
2019-08-25 23:51:01
82.251.20.221 attackbotsspam
$f2bV_matches
2019-08-25 23:24:46
39.36.5.130 attack
Automatic report - Port Scan Attack
2019-08-25 22:53:36
201.47.158.130 attack
Aug 25 13:12:49 XXX sshd[15164]: Invalid user sysomc from 201.47.158.130 port 34770
2019-08-25 22:55:37
104.211.227.202 attack
2019-08-25T14:59:17.243705enmeeting.mahidol.ac.th sshd\[15153\]: Invalid user craig2 from 104.211.227.202 port 19116
2019-08-25T14:59:17.257699enmeeting.mahidol.ac.th sshd\[15153\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.211.227.202
2019-08-25T14:59:19.308954enmeeting.mahidol.ac.th sshd\[15153\]: Failed password for invalid user craig2 from 104.211.227.202 port 19116 ssh2
...
2019-08-25 23:51:27
54.36.53.7 attackbotsspam
WordPress wp-login brute force :: 54.36.53.7 0.052 BYPASS [25/Aug/2019:17:59:19  1000] [censored_2] "POST /wp-login.php HTTP/1.1" 200 4630 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:61.0.1) Gecko/20120101 Firefox/61.0.1"
2019-08-25 23:55:00
60.211.126.74 attack
Unauthorised access (Aug 25) SRC=60.211.126.74 LEN=40 TTL=49 ID=45896 TCP DPT=8080 WINDOW=46631 SYN
2019-08-25 22:58:14
125.163.230.220 attackspam
Aug 25 02:34:05 web1 sshd\[31837\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.163.230.220  user=root
Aug 25 02:34:07 web1 sshd\[31837\]: Failed password for root from 125.163.230.220 port 38860 ssh2
Aug 25 02:39:20 web1 sshd\[32357\]: Invalid user jasmin from 125.163.230.220
Aug 25 02:39:20 web1 sshd\[32357\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.163.230.220
Aug 25 02:39:22 web1 sshd\[32357\]: Failed password for invalid user jasmin from 125.163.230.220 port 55782 ssh2
2019-08-25 22:47:51
139.59.59.187 attackspambots
Aug 25 15:33:45 icinga sshd[21560]: Failed password for root from 139.59.59.187 port 53420 ssh2
...
2019-08-25 23:01:45

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