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 <<>> 104.21.57.199
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36729
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.199.			IN	A

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

;; Query time: 80 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:14:08 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 199.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 199.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
144.217.214.25 attackspambots
$f2bV_matches
2020-01-11 22:45:42
41.68.83.11 attackbotsspam
Unauthorized connection attempt detected from IP address 41.68.83.11 to port 2220 [J]
2020-01-11 22:17:57
148.70.24.20 attackspambots
$f2bV_matches
2020-01-11 22:11:06
206.189.171.204 attackbots
Jan 11 15:11:14 vpn01 sshd[23393]: Failed password for root from 206.189.171.204 port 56130 ssh2
...
2020-01-11 22:20:10
145.239.87.109 attack
$f2bV_matches
2020-01-11 22:31:49
65.75.93.36 attackspam
Unauthorized connection attempt detected from IP address 65.75.93.36 to port 2220 [J]
2020-01-11 22:39:46
206.189.35.254 attack
Jan 11 15:04:31 dedicated sshd[27611]: Invalid user redhat from 206.189.35.254 port 49866
2020-01-11 22:17:13
144.217.161.78 attackspambots
$f2bV_matches
2020-01-11 22:46:47
145.239.169.177 attackspambots
20 attempts against mh-ssh on cloud.magehost.pro
2020-01-11 22:37:26
145.239.210.220 attackbotsspam
$f2bV_matches
2020-01-11 22:36:30
51.159.0.190 attack
Jan 11 15:49:57 debian-2gb-nbg1-2 kernel: \[1013504.621755\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=51.159.0.190 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=29701 PROTO=TCP SPT=48341 DPT=6060 WINDOW=1024 RES=0x00 SYN URGP=0
2020-01-11 22:52:52
199.180.255.23 attack
Jan 11 16:08:09 server sshd\[9378\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.180.255.23  user=root
Jan 11 16:08:11 server sshd\[9378\]: Failed password for root from 199.180.255.23 port 46802 ssh2
Jan 11 16:09:55 server sshd\[9632\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.180.255.23  user=root
Jan 11 16:09:57 server sshd\[9632\]: Failed password for root from 199.180.255.23 port 59194 ssh2
Jan 11 16:11:13 server sshd\[10317\]: Invalid user ss from 199.180.255.23
Jan 11 16:11:13 server sshd\[10317\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=199.180.255.23 
...
2020-01-11 22:11:53
146.185.180.19 attackbots
$f2bV_matches
2020-01-11 22:25:37
144.217.39.131 attackspam
Jan 11 14:58:19 h2812830 sshd[7788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip131.ip-144-217-39.net  user=root
Jan 11 14:58:21 h2812830 sshd[7788]: Failed password for root from 144.217.39.131 port 54154 ssh2
Jan 11 15:05:13 h2812830 sshd[8458]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip131.ip-144-217-39.net  user=root
Jan 11 15:05:14 h2812830 sshd[8458]: Failed password for root from 144.217.39.131 port 44120 ssh2
Jan 11 15:07:20 h2812830 sshd[8532]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip131.ip-144-217-39.net  user=root
Jan 11 15:07:22 h2812830 sshd[8532]: Failed password for root from 144.217.39.131 port 37302 ssh2
...
2020-01-11 22:44:19
58.64.160.36 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-01-11 22:44:39

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