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 <<>> 104.21.45.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11844
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.45.81.			IN	A

;; AUTHORITY SECTION:
.			120	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:44:59 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.45.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.45.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
49.88.112.117 attackbots
May  7 06:49:05 dns1 sshd[16426]: Failed password for root from 49.88.112.117 port 38691 ssh2
May  7 06:49:08 dns1 sshd[16426]: Failed password for root from 49.88.112.117 port 38691 ssh2
May  7 06:49:12 dns1 sshd[16426]: Failed password for root from 49.88.112.117 port 38691 ssh2
2020-05-07 19:12:58
117.144.189.69 attackspam
May  7 12:28:52 host sshd[35572]: Invalid user bhd from 117.144.189.69 port 41294
...
2020-05-07 18:54:46
183.171.129.249 attackspambots
Unauthorised access (May  7) SRC=183.171.129.249 LEN=52 TOS=0x18 PREC=0x40 TTL=115 ID=7483 DF TCP DPT=445 WINDOW=8192 SYN 
Unauthorised access (May  5) SRC=183.171.129.249 LEN=52 TOS=0x18 PREC=0x40 TTL=115 ID=24772 DF TCP DPT=445 WINDOW=8192 SYN
2020-05-07 19:08:28
106.12.7.100 attackspam
$f2bV_matches
2020-05-07 19:23:19
121.201.61.205 attackspam
Failed password for invalid user root from 121.201.61.205 port 58690 ssh2
2020-05-07 19:30:34
118.140.183.42 attackbots
(sshd) Failed SSH login from 118.140.183.42 (HK/Hong Kong/static-bbs-42-183-140-118-on-nets.com): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May  7 11:17:00 ubnt-55d23 sshd[18031]: Invalid user steam from 118.140.183.42 port 50044
May  7 11:17:03 ubnt-55d23 sshd[18031]: Failed password for invalid user steam from 118.140.183.42 port 50044 ssh2
2020-05-07 19:24:30
189.15.50.44 attackspam
port 23
2020-05-07 19:31:22
139.162.102.46 attackbotsspam
scan r
2020-05-07 19:17:34
142.4.204.122 attackspam
May  7 03:26:03 vps46666688 sshd[21979]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.4.204.122
May  7 03:26:05 vps46666688 sshd[21979]: Failed password for invalid user office from 142.4.204.122 port 35944 ssh2
...
2020-05-07 19:15:58
37.49.226.213 attackbotsspam
May  7 10:06:52 vlre-nyc-1 sshd\[11263\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.213  user=root
May  7 10:06:54 vlre-nyc-1 sshd\[11263\]: Failed password for root from 37.49.226.213 port 33358 ssh2
May  7 10:07:06 vlre-nyc-1 sshd\[11265\]: Invalid user admin from 37.49.226.213
May  7 10:07:07 vlre-nyc-1 sshd\[11265\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.213
May  7 10:07:08 vlre-nyc-1 sshd\[11265\]: Failed password for invalid user admin from 37.49.226.213 port 54172 ssh2
...
2020-05-07 18:55:31
222.186.180.147 attackspambots
SSH invalid-user multiple login attempts
2020-05-07 19:14:13
217.182.169.228 attack
May  7 00:27:23 pixelmemory sshd[1095011]: Invalid user a4 from 217.182.169.228 port 50994
May  7 00:27:23 pixelmemory sshd[1095011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.169.228 
May  7 00:27:23 pixelmemory sshd[1095011]: Invalid user a4 from 217.182.169.228 port 50994
May  7 00:27:24 pixelmemory sshd[1095011]: Failed password for invalid user a4 from 217.182.169.228 port 50994 ssh2
May  7 00:32:23 pixelmemory sshd[1096016]: Invalid user student from 217.182.169.228 port 33082
...
2020-05-07 19:27:42
167.71.69.108 attack
$f2bV_matches
2020-05-07 19:05:14
165.22.234.94 attackspam
May  7 08:31:48 sip sshd[7771]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.234.94
May  7 08:31:50 sip sshd[7771]: Failed password for invalid user test from 165.22.234.94 port 60032 ssh2
May  7 08:40:29 sip sshd[11003]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.234.94
2020-05-07 19:25:14
59.63.163.49 attackbotsspam
SSH brute-forcing
2020-05-07 19:18:43

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