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 <<>> 104.21.81.207
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23844
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.207.			IN	A

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

;; Query time: 77 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:35 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 207.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 207.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.200 attack
2020-02-05T12:17:53.491975vostok sshd\[13645\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.200  user=root | Triggered by Fail2Ban at Vostok web server
2020-02-06 01:45:22
124.172.192.239 attackbotsspam
Feb  5 17:37:46 legacy sshd[2845]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.172.192.239
Feb  5 17:37:49 legacy sshd[2845]: Failed password for invalid user zepto from 124.172.192.239 port 45724 ssh2
Feb  5 17:41:18 legacy sshd[3129]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.172.192.239
...
2020-02-06 01:23:07
167.172.159.4 attack
Feb  5 14:46:10 debian-2gb-nbg1-2 kernel: \[3169617.694101\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=167.172.159.4 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=54321 PROTO=TCP SPT=43958 DPT=8088 WINDOW=65535 RES=0x00 SYN URGP=0
2020-02-06 01:47:49
120.192.81.226 attackbotsspam
Fail2Ban Ban Triggered
2020-02-06 01:39:33
183.83.160.36 attackspam
Unauthorized connection attempt from IP address 183.83.160.36 on Port 445(SMB)
2020-02-06 01:36:59
103.77.78.203 attackspambots
Feb  4 17:06:27 nemesis sshd[19143]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:17:50 nemesis sshd[23545]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:18:23 nemesis sshd[23747]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:42:25 nemesis sshd[32256]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:43:48 nemesis sshd[32470]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:46:55 nemesis sshd[1339]: Connection closed by 103.77.78.203 [preauth]
Feb  4 17:48:38 nemesis sshd[1734]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.77.78.203  user=r.r
Feb  4 17:48:38 nemesis sshd[1736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.77.78.203  user=r.r
Feb  4 17:48:39 nemesis sshd[1734]: Failed password for r.r from 103.77.78.203 port 47148 ssh2
Feb  4 17:48:39 nemesis sshd[1734]: Received disconnect from 103.77.78.203: 11: Normal Shutdown, Thank........
-------------------------------
2020-02-06 01:38:34
98.153.95.228 attackbotsspam
Unauthorized connection attempt from IP address 98.153.95.228 on Port 445(SMB)
2020-02-06 01:46:03
200.213.217.3 attack
Unauthorized connection attempt from IP address 200.213.217.3 on Port 445(SMB)
2020-02-06 01:30:18
51.83.42.244 attack
Feb  5 06:37:30 home sshd[15301]: Invalid user rowlands from 51.83.42.244 port 60324
Feb  5 06:37:30 home sshd[15301]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.42.244
Feb  5 06:37:30 home sshd[15301]: Invalid user rowlands from 51.83.42.244 port 60324
Feb  5 06:37:32 home sshd[15301]: Failed password for invalid user rowlands from 51.83.42.244 port 60324 ssh2
Feb  5 06:40:06 home sshd[15330]: Invalid user service from 51.83.42.244 port 59526
Feb  5 06:40:06 home sshd[15330]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.42.244
Feb  5 06:40:06 home sshd[15330]: Invalid user service from 51.83.42.244 port 59526
Feb  5 06:40:08 home sshd[15330]: Failed password for invalid user service from 51.83.42.244 port 59526 ssh2
Feb  5 06:42:17 home sshd[15353]: Invalid user newadmin from 51.83.42.244 port 56238
Feb  5 06:42:17 home sshd[15353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh rus
2020-02-06 01:17:35
180.241.45.227 attackbotsspam
Unauthorized connection attempt from IP address 180.241.45.227 on Port 445(SMB)
2020-02-06 01:32:57
122.51.211.249 attack
Unauthorized connection attempt detected from IP address 122.51.211.249 to port 2220 [J]
2020-02-06 01:56:36
91.72.180.37 attackbotsspam
T: f2b postfix aggressive 3x
2020-02-06 01:30:55
103.242.200.38 attackspambots
Unauthorized connection attempt detected from IP address 103.242.200.38 to port 2220 [J]
2020-02-06 01:23:52
107.180.92.3 attack
Feb  5 17:34:36 game-panel sshd[1626]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.180.92.3
Feb  5 17:34:38 game-panel sshd[1626]: Failed password for invalid user db2fenc1 from 107.180.92.3 port 29310 ssh2
Feb  5 17:37:29 game-panel sshd[1800]: Failed password for root from 107.180.92.3 port 56150 ssh2
2020-02-06 01:38:09
185.209.0.51 attackbotsspam
Feb  5 18:11:21 debian-2gb-nbg1-2 kernel: \[3181927.668315\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.209.0.51 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=23817 PROTO=TCP SPT=50707 DPT=6606 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-06 01:18:26

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