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 <<>> 104.21.57.204
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10519
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.204.			IN	A

;; AUTHORITY SECTION:
.			325	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:39:38 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 204.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 204.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
129.226.122.195 attack
Dec 17 05:11:56 web9 sshd\[1231\]: Invalid user douet from 129.226.122.195
Dec 17 05:11:56 web9 sshd\[1231\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.122.195
Dec 17 05:11:58 web9 sshd\[1231\]: Failed password for invalid user douet from 129.226.122.195 port 47710 ssh2
Dec 17 05:18:10 web9 sshd\[2425\]: Invalid user squid from 129.226.122.195
Dec 17 05:18:10 web9 sshd\[2425\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.226.122.195
2019-12-17 23:40:44
223.241.79.193 attackspam
SSH invalid-user multiple login try
2019-12-17 23:58:00
112.17.160.200 attackspam
Dec 17 14:58:39 microserver sshd[50820]: Invalid user feiler from 112.17.160.200 port 49928
Dec 17 14:58:39 microserver sshd[50820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.17.160.200
Dec 17 14:58:41 microserver sshd[50820]: Failed password for invalid user feiler from 112.17.160.200 port 49928 ssh2
Dec 17 15:06:55 microserver sshd[52286]: Invalid user qj from 112.17.160.200 port 44286
Dec 17 15:06:55 microserver sshd[52286]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.17.160.200
Dec 17 15:24:38 microserver sshd[54950]: Invalid user cafe from 112.17.160.200 port 32884
Dec 17 15:24:38 microserver sshd[54950]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.17.160.200
Dec 17 15:24:40 microserver sshd[54950]: Failed password for invalid user cafe from 112.17.160.200 port 32884 ssh2
Dec 17 15:33:15 microserver sshd[56467]: pam_unix(sshd:auth): authentication failure; logn
2019-12-17 23:49:38
54.37.159.12 attackspambots
2019-12-17T15:38:43.791039shield sshd\[17861\]: Invalid user assist from 54.37.159.12 port 53796
2019-12-17T15:38:43.795184shield sshd\[17861\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=12.ip-54-37-159.eu
2019-12-17T15:38:45.469671shield sshd\[17861\]: Failed password for invalid user assist from 54.37.159.12 port 53796 ssh2
2019-12-17T15:43:55.318683shield sshd\[19066\]: Invalid user rezon from 54.37.159.12 port 34304
2019-12-17T15:43:55.323061shield sshd\[19066\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=12.ip-54-37-159.eu
2019-12-17 23:54:32
77.81.238.70 attackspam
Dec 17 16:53:16 [host] sshd[27982]: Invalid user Admin from 77.81.238.70
Dec 17 16:53:16 [host] sshd[27982]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.81.238.70
Dec 17 16:53:18 [host] sshd[27982]: Failed password for invalid user Admin from 77.81.238.70 port 55759 ssh2
2019-12-18 00:01:17
185.176.27.254 attack
12/17/2019-09:46:17.251345 185.176.27.254 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-12-17 23:34:07
36.91.152.234 attack
Dec 17 05:57:05 web1 sshd\[30275\]: Invalid user partho from 36.91.152.234
Dec 17 05:57:05 web1 sshd\[30275\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.91.152.234
Dec 17 05:57:08 web1 sshd\[30275\]: Failed password for invalid user partho from 36.91.152.234 port 53896 ssh2
Dec 17 06:05:17 web1 sshd\[31292\]: Invalid user !QAZ\#EDCg from 36.91.152.234
Dec 17 06:05:17 web1 sshd\[31292\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.91.152.234
2019-12-18 00:16:13
51.38.224.110 attackbotsspam
Dec 17 16:36:48 legacy sshd[27587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.224.110
Dec 17 16:36:50 legacy sshd[27587]: Failed password for invalid user smmsp from 51.38.224.110 port 35600 ssh2
Dec 17 16:41:58 legacy sshd[27767]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.224.110
...
2019-12-17 23:44:23
168.90.208.210 attack
Automatic report - Port Scan Attack
2019-12-18 00:04:43
125.212.233.50 attackspambots
2019-12-17T14:51:51.564512abusebot-7.cloudsearch.cf sshd\[8465\]: Invalid user dovecot from 125.212.233.50 port 40400
2019-12-17T14:51:51.569432abusebot-7.cloudsearch.cf sshd\[8465\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.212.233.50
2019-12-17T14:51:53.780072abusebot-7.cloudsearch.cf sshd\[8465\]: Failed password for invalid user dovecot from 125.212.233.50 port 40400 ssh2
2019-12-17T15:01:39.778251abusebot-7.cloudsearch.cf sshd\[8570\]: Invalid user guest from 125.212.233.50 port 35448
2019-12-17 23:56:57
212.64.127.106 attackspambots
Dec 17 16:46:57 vps647732 sshd[8690]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.127.106
Dec 17 16:46:59 vps647732 sshd[8690]: Failed password for invalid user hair from 212.64.127.106 port 35425 ssh2
...
2019-12-17 23:52:46
197.156.72.154 attack
Dec 17 06:55:22 server sshd\[17437\]: Failed password for invalid user ssh from 197.156.72.154 port 52289 ssh2
Dec 17 18:52:40 server sshd\[28512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154  user=root
Dec 17 18:52:43 server sshd\[28512\]: Failed password for root from 197.156.72.154 port 43301 ssh2
Dec 17 19:02:04 server sshd\[31245\]: Invalid user lei from 197.156.72.154
Dec 17 19:02:04 server sshd\[31245\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.156.72.154 
...
2019-12-18 00:12:34
45.82.153.141 attackbotsspam
Dec 17 16:59:51 relay postfix/smtpd\[29882\]: warning: unknown\[45.82.153.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 17 17:00:53 relay postfix/smtpd\[29883\]: warning: unknown\[45.82.153.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 17 17:01:11 relay postfix/smtpd\[29879\]: warning: unknown\[45.82.153.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 17 17:01:53 relay postfix/smtpd\[24846\]: warning: unknown\[45.82.153.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 17 17:02:11 relay postfix/smtpd\[29877\]: warning: unknown\[45.82.153.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-12-18 00:20:11
182.252.0.188 attackbotsspam
Dec 17 05:19:40 tdfoods sshd\[21470\]: Invalid user vcsa from 182.252.0.188
Dec 17 05:19:40 tdfoods sshd\[21470\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.252.0.188
Dec 17 05:19:42 tdfoods sshd\[21470\]: Failed password for invalid user vcsa from 182.252.0.188 port 42234 ssh2
Dec 17 05:26:20 tdfoods sshd\[22130\]: Invalid user luthin from 182.252.0.188
Dec 17 05:26:20 tdfoods sshd\[22130\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.252.0.188
2019-12-17 23:42:48
222.186.175.217 attackbotsspam
Dec 17 17:03:02 localhost sshd\[6444\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.217  user=root
Dec 17 17:03:04 localhost sshd\[6444\]: Failed password for root from 222.186.175.217 port 44506 ssh2
Dec 17 17:03:07 localhost sshd\[6444\]: Failed password for root from 222.186.175.217 port 44506 ssh2
2019-12-18 00:05:45

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