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 <<>> 104.21.48.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6309
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.48.51.			IN	A

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

;; Query time: 60 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:33:11 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 51.48.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.48.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
116.197.130.24 attackbots
Drupal Core Remote Code Execution Vulnerability, PTR: stikesbanten-24-130.fiber.net.id.
2019-10-04 12:55:22
222.186.15.160 attackspambots
Oct  4 07:25:52 server2 sshd\[28225\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
Oct  4 07:33:46 server2 sshd\[28861\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
Oct  4 07:35:17 server2 sshd\[29074\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
Oct  4 07:35:17 server2 sshd\[29076\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
Oct  4 07:35:18 server2 sshd\[29072\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
Oct  4 07:35:18 server2 sshd\[29078\]: User root from 222.186.15.160 not allowed because not listed in AllowUsers
2019-10-04 12:41:39
219.94.99.133 attack
Automatic report - Banned IP Access
2019-10-04 12:36:12
109.170.1.58 attackbotsspam
$f2bV_matches
2019-10-04 13:08:21
222.186.169.194 attackbots
Oct  4 06:09:31 meumeu sshd[2602]: Failed password for root from 222.186.169.194 port 18784 ssh2
Oct  4 06:09:35 meumeu sshd[2602]: Failed password for root from 222.186.169.194 port 18784 ssh2
Oct  4 06:09:40 meumeu sshd[2602]: Failed password for root from 222.186.169.194 port 18784 ssh2
Oct  4 06:09:51 meumeu sshd[2602]: error: maximum authentication attempts exceeded for root from 222.186.169.194 port 18784 ssh2 [preauth]
...
2019-10-04 12:28:20
54.39.148.232 attack
Automatic report - Banned IP Access
2019-10-04 12:47:07
89.36.216.125 attack
Oct  4 06:33:06 mail sshd\[5706\]: Failed password for invalid user Mark@123 from 89.36.216.125 port 47860 ssh2
Oct  4 06:37:13 mail sshd\[6147\]: Invalid user P@ssword\#123456 from 89.36.216.125 port 33026
Oct  4 06:37:13 mail sshd\[6147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.36.216.125
Oct  4 06:37:14 mail sshd\[6147\]: Failed password for invalid user P@ssword\#123456 from 89.36.216.125 port 33026 ssh2
Oct  4 06:41:21 mail sshd\[6676\]: Invalid user 1qaz3edc5tgbr from 89.36.216.125 port 46420
2019-10-04 12:56:00
221.132.17.74 attackspambots
2019-10-04T07:12:49.774243tmaserv sshd\[17766\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.74  user=root
2019-10-04T07:12:51.704156tmaserv sshd\[17766\]: Failed password for root from 221.132.17.74 port 59398 ssh2
2019-10-04T07:17:34.430958tmaserv sshd\[18067\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.74  user=root
2019-10-04T07:17:36.817735tmaserv sshd\[18067\]: Failed password for root from 221.132.17.74 port 45822 ssh2
2019-10-04T07:22:26.620204tmaserv sshd\[18465\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.132.17.74  user=root
2019-10-04T07:22:28.093626tmaserv sshd\[18465\]: Failed password for root from 221.132.17.74 port 60492 ssh2
...
2019-10-04 12:27:19
103.253.42.39 attack
Oct  4 03:43:28 smtp postfix/smtpd[30438]: warning: unknown[103.253.42.39]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 04:32:08 smtp postfix/smtpd[13342]: warning: unknown[103.253.42.39]: SASL LOGIN authentication failed: VXNlcm5hbWU6
Oct  4 05:20:20 smtp postfix/smtpd[59751]: warning: unknown[103.253.42.39]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 06:10:07 smtp postfix/smtpd[47882]: warning: unknown[103.253.42.39]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 07:00:15 smtp postfix/smtpd[44052]: warning: unknown[103.253.42.39]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-10-04 13:02:41
106.12.213.162 attackbots
Oct  3 18:13:01 php1 sshd\[370\]: Invalid user P@sswd123!@\# from 106.12.213.162
Oct  3 18:13:01 php1 sshd\[370\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.213.162
Oct  3 18:13:03 php1 sshd\[370\]: Failed password for invalid user P@sswd123!@\# from 106.12.213.162 port 48116 ssh2
Oct  3 18:18:01 php1 sshd\[845\]: Invalid user Qw3rty@123 from 106.12.213.162
Oct  3 18:18:01 php1 sshd\[845\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.213.162
2019-10-04 12:46:38
101.108.240.209 attackspambots
WordPress wp-login brute force :: 101.108.240.209 0.132 BYPASS [04/Oct/2019:13:58:18  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-10-04 12:58:48
116.104.93.88 attackspambots
Unauthorised access (Oct  4) SRC=116.104.93.88 LEN=40 TTL=45 ID=9516 TCP DPT=23 WINDOW=64190 SYN
2019-10-04 12:29:11
35.247.153.73 attackbotsspam
Forbidden directory scan :: 2019/10/04 13:59:13 [error] 14664#14664: *861569 access forbidden by rule, client: 35.247.153.73, server: [censored_4], request: "GET //bak.sql HTTP/1.1", host: "[censored_4]", referrer: "http://[censored_4]:80//bak.sql"
2019-10-04 12:26:34
141.8.143.172 attack
port scan and connect, tcp 80 (http)
2019-10-04 12:59:22
222.186.175.220 attackspam
Triggered by Fail2Ban at Vostok web server
2019-10-04 13:11:00

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