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 <<>> 104.21.51.39
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62313
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.39.			IN	A

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

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:26 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 39.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 39.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
61.177.172.168 attack
Jun 16 23:34:11 eventyay sshd[6760]: Failed password for root from 61.177.172.168 port 3586 ssh2
Jun 16 23:34:15 eventyay sshd[6760]: Failed password for root from 61.177.172.168 port 3586 ssh2
Jun 16 23:34:19 eventyay sshd[6760]: Failed password for root from 61.177.172.168 port 3586 ssh2
Jun 16 23:34:22 eventyay sshd[6760]: Failed password for root from 61.177.172.168 port 3586 ssh2
...
2020-06-17 05:35:36
61.160.96.90 attackspambots
Jun 16 23:16:30 eventyay sshd[5549]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.160.96.90
Jun 16 23:16:32 eventyay sshd[5549]: Failed password for invalid user noreply from 61.160.96.90 port 1421 ssh2
Jun 16 23:19:52 eventyay sshd[5794]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.160.96.90
...
2020-06-17 05:34:06
51.255.35.58 attackbots
Jun 16 22:45:57 prod4 sshd\[2577\]: Failed password for root from 51.255.35.58 port 58589 ssh2
Jun 16 22:49:32 prod4 sshd\[3794\]: Invalid user jack from 51.255.35.58
Jun 16 22:49:33 prod4 sshd\[3794\]: Failed password for invalid user jack from 51.255.35.58 port 58920 ssh2
...
2020-06-17 05:55:44
151.80.83.249 attackbots
Jun 16 22:59:20 pornomens sshd\[15168\]: Invalid user rr from 151.80.83.249 port 39058
Jun 16 22:59:20 pornomens sshd\[15168\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.80.83.249
Jun 16 22:59:22 pornomens sshd\[15168\]: Failed password for invalid user rr from 151.80.83.249 port 39058 ssh2
...
2020-06-17 05:53:06
62.234.156.221 attackspambots
"Unauthorized connection attempt on SSHD detected"
2020-06-17 05:40:04
103.88.3.37 attackbots
Honeypot attack, port: 445, PTR: PTR record not found
2020-06-17 05:57:17
87.251.74.45 attack
Jun 16 23:00:08 vps339862 kernel: \[11560124.347324\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=87.251.74.45 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0xE0 TTL=242 ID=63466 PROTO=TCP SPT=48887 DPT=43701 SEQ=1818071924 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
Jun 16 23:01:33 vps339862 kernel: \[11560208.902186\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=87.251.74.45 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0xE0 TTL=242 ID=50593 PROTO=TCP SPT=48887 DPT=40318 SEQ=3898578676 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
Jun 16 23:03:30 vps339862 kernel: \[11560325.572588\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=fa:16:3e:65:a1:f6:06:39:8f:aa:3b:a2:08:00 SRC=87.251.74.45 DST=51.254.206.43 LEN=40 TOS=0x00 PREC=0xE0 TTL=242 ID=22109 PROTO=TCP SPT=48887 DPT=41372 SEQ=2742499818 ACK=0 WINDOW=1024 RES=0x00 SYN URGP=0 
Jun 16 23:05:56 vps339862 kernel: \[11560471.888307\] \[iptables\] PORT DENIED: IN=eth0 OUT= MAC=
...
2020-06-17 05:42:07
118.99.114.93 attackspambots
DATE:2020-06-16 22:47:17, IP:118.99.114.93, PORT:5900 VNC brute force auth on honeypot server (epe-honey1-hq)
2020-06-17 06:00:21
14.242.2.87 attackbotsspam
2020-06-16T22:00:15.988620shield sshd\[15131\]: Invalid user deploy from 14.242.2.87 port 47642
2020-06-16T22:00:15.995074shield sshd\[15131\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.242.2.87
2020-06-16T22:00:18.416862shield sshd\[15131\]: Failed password for invalid user deploy from 14.242.2.87 port 47642 ssh2
2020-06-16T22:05:12.284218shield sshd\[16626\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.242.2.87  user=root
2020-06-16T22:05:14.812419shield sshd\[16626\]: Failed password for root from 14.242.2.87 port 45706 ssh2
2020-06-17 06:07:48
129.211.38.207 attack
SSH Invalid Login
2020-06-17 06:04:43
14.167.226.9 attack
Honeypot attack, port: 81, PTR: static.vnpt.vn.
2020-06-17 05:49:23
89.223.94.93 attackspambots
SSH Invalid Login
2020-06-17 06:02:00
87.251.74.48 attackspambots
Jun 16 14:15:48 propaganda sshd[18590]: Connection from 87.251.74.48 port 10828 on 10.0.0.160 port 22 rdomain ""
Jun 16 14:15:48 propaganda sshd[18590]: error: kex_exchange_identification: Connection closed by remote host
2020-06-17 05:52:44
128.199.254.188 attackbotsspam
Jun 16 23:48:13 eventyay sshd[7673]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.254.188
Jun 16 23:48:15 eventyay sshd[7673]: Failed password for invalid user ms from 128.199.254.188 port 35466 ssh2
Jun 16 23:55:58 eventyay sshd[8127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.254.188
...
2020-06-17 06:00:03
178.63.92.13 attack
$f2bV_matches
2020-06-17 05:40:18

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