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 <<>> 104.20.57.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41963
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.20.57.81.			IN	A

;; AUTHORITY SECTION:
.			535	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 17:01:05 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.57.20.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.57.20.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.227.253.36 attack
SQL injection attempt.
2020-08-28 20:04:46
138.197.94.57 attack
Aug 28 14:06:56 home sshd[2034502]: Failed password for invalid user wzy from 138.197.94.57 port 36146 ssh2
Aug 28 14:09:53 home sshd[2035597]: Invalid user commun from 138.197.94.57 port 33356
Aug 28 14:09:53 home sshd[2035597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.94.57 
Aug 28 14:09:53 home sshd[2035597]: Invalid user commun from 138.197.94.57 port 33356
Aug 28 14:09:55 home sshd[2035597]: Failed password for invalid user commun from 138.197.94.57 port 33356 ssh2
...
2020-08-28 20:23:11
157.230.100.192 attack
Aug 28 09:12:33 IngegnereFirenze sshd[25231]: Failed password for invalid user otr from 157.230.100.192 port 41542 ssh2
...
2020-08-28 19:53:43
211.253.24.250 attack
Invalid user nara from 211.253.24.250 port 38600
2020-08-28 20:05:15
103.122.94.86 attackbotsspam
6379/tcp 1521/tcp 8000/tcp...
[2020-08-11/27]18pkt,13pt.(tcp),1tp.(icmp)
2020-08-28 20:02:09
51.79.8.42 attackbots
Port scan detected on ports: 6749[TCP], 8999[TCP], 9810[TCP]
2020-08-28 20:08:52
106.12.55.57 attackspambots
[N10.H2.VM2] Port Scanner Detected Blocked by UFW
2020-08-28 19:57:03
139.162.125.159 attackbotsspam
 TCP (SYN) 139.162.125.159:40555 -> port 443, len 40
2020-08-28 19:43:47
187.1.81.161 attack
Invalid user cdr from 187.1.81.161 port 38684
2020-08-28 20:03:17
157.245.211.180 attack
Aug 28 12:09:56 localhost sshd\[22066\]: Invalid user production from 157.245.211.180 port 54352
Aug 28 12:09:56 localhost sshd\[22066\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.211.180
Aug 28 12:09:58 localhost sshd\[22066\]: Failed password for invalid user production from 157.245.211.180 port 54352 ssh2
...
2020-08-28 20:20:24
213.178.252.30 attackbots
Invalid user hy from 213.178.252.30 port 46668
2020-08-28 19:47:30
157.41.18.204 attackspam
php WP PHPmyadamin ABUSE blocked for 12h
2020-08-28 20:18:13
185.220.102.6 attackspam
[MK-VM6] SSH login failed
2020-08-28 20:20:09
106.12.140.168 attackbotsspam
Time:     Fri Aug 28 12:08:09 2020 +0000
IP:       106.12.140.168 (CN/China/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Aug 28 12:02:49 ca-1-ams1 sshd[32758]: Invalid user rafael from 106.12.140.168 port 35148
Aug 28 12:02:51 ca-1-ams1 sshd[32758]: Failed password for invalid user rafael from 106.12.140.168 port 35148 ssh2
Aug 28 12:06:19 ca-1-ams1 sshd[32867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.140.168  user=root
Aug 28 12:06:21 ca-1-ams1 sshd[32867]: Failed password for root from 106.12.140.168 port 40330 ssh2
Aug 28 12:08:03 ca-1-ams1 sshd[32906]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.140.168  user=root
2020-08-28 20:11:09
148.240.70.42 attack
Invalid user eunho from 148.240.70.42 port 33796
2020-08-28 19:45:17

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