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 <<>> 104.21.13.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14392
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.51.			IN	A

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

;; Query time: 144 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:30:36 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 51.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
27.128.233.104 attackbotsspam
SSH login attempts.
2020-01-01 01:19:09
222.186.173.154 attackbotsspam
Dec 31 16:47:13 hcbbdb sshd\[30708\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Dec 31 16:47:16 hcbbdb sshd\[30708\]: Failed password for root from 222.186.173.154 port 58992 ssh2
Dec 31 16:47:26 hcbbdb sshd\[30708\]: Failed password for root from 222.186.173.154 port 58992 ssh2
Dec 31 16:47:29 hcbbdb sshd\[30708\]: Failed password for root from 222.186.173.154 port 58992 ssh2
Dec 31 16:47:32 hcbbdb sshd\[30724\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
2020-01-01 00:50:13
111.68.104.156 attackbotsspam
Dec 31 15:47:36 MK-Soft-Root1 sshd[31928]: Failed password for lp from 111.68.104.156 port 27031 ssh2
Dec 31 15:51:20 MK-Soft-Root1 sshd[32734]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.68.104.156 
...
2020-01-01 00:52:43
189.68.211.122 attackbots
port scan and connect, tcp 80 (http)
2020-01-01 01:12:43
34.197.228.170 attack
SSH login attempts.
2020-01-01 00:41:47
50.53.179.3 attackbotsspam
1577803881 - 12/31/2019 15:51:21 Host: 50.53.179.3/50.53.179.3 Port: 22 TCP Blocked
2020-01-01 00:51:37
185.94.111.1 attack
185.94.111.1 was recorded 6 times by 5 hosts attempting to connect to the following ports: 389,11211. Incident counter (4h, 24h, all-time): 6, 52, 6666
2020-01-01 00:40:49
167.99.70.191 attackbotsspam
Automatic report - Banned IP Access
2020-01-01 01:05:28
37.49.231.168 attackspambots
Dec 31 17:39:38 debian-2gb-nbg1-2 kernel: \[69712.262390\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=37.49.231.168 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=42548 PROTO=TCP SPT=46948 DPT=8081 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-01 01:02:31
203.158.198.235 attack
Dec 31 15:51:08 herz-der-gamer sshd[587]: Invalid user netzplatz from 203.158.198.235 port 51095
Dec 31 15:51:08 herz-der-gamer sshd[587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.158.198.235
Dec 31 15:51:08 herz-der-gamer sshd[587]: Invalid user netzplatz from 203.158.198.235 port 51095
Dec 31 15:51:10 herz-der-gamer sshd[587]: Failed password for invalid user netzplatz from 203.158.198.235 port 51095 ssh2
...
2020-01-01 01:00:07
51.91.250.49 attackspambots
Dec 31 17:38:30 pornomens sshd\[22004\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.250.49  user=root
Dec 31 17:38:33 pornomens sshd\[22004\]: Failed password for root from 51.91.250.49 port 42870 ssh2
Dec 31 17:41:38 pornomens sshd\[22032\]: Invalid user f044 from 51.91.250.49 port 46232
Dec 31 17:41:38 pornomens sshd\[22032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.250.49
...
2020-01-01 01:10:40
1.6.114.75 attackbots
Dec 31 17:27:37 MK-Soft-VM7 sshd[27660]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.6.114.75 
Dec 31 17:27:39 MK-Soft-VM7 sshd[27660]: Failed password for invalid user tc from 1.6.114.75 port 55682 ssh2
...
2020-01-01 01:10:11
49.88.112.116 attackbots
Dec 31 18:05:21 localhost sshd\[2763\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.116  user=root
Dec 31 18:05:23 localhost sshd\[2763\]: Failed password for root from 49.88.112.116 port 56678 ssh2
Dec 31 18:05:25 localhost sshd\[2763\]: Failed password for root from 49.88.112.116 port 56678 ssh2
2020-01-01 01:12:18
47.98.135.108 attackspam
3389BruteforceFW23
2020-01-01 01:03:25
41.80.35.78 attackspambots
failed root login
2020-01-01 00:47:36

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