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 <<>> 104.21.42.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4173
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.51.			IN	A

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

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:29:52 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 51.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 51.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
177.181.0.57 attack
firewall-block, port(s): 23/tcp
2019-10-25 21:20:58
45.125.65.56 attack
\[2019-10-25 09:16:23\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T09:16:23.484-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="206240001148814503018",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.56/53554",ACLName="no_extension_match"
\[2019-10-25 09:16:30\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T09:16:30.554-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2061101148185419002",SessionID="0x7fdf2c5fc4c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.56/59370",ACLName="no_extension_match"
\[2019-10-25 09:17:10\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-25T09:17:10.954-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="206250001148814503018",SessionID="0x7fdf2c160cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.125.65.56/53181",AC
2019-10-25 21:17:31
134.209.178.109 attackspambots
Oct 25 15:45:42 sauna sshd[220450]: Failed password for root from 134.209.178.109 port 56476 ssh2
...
2019-10-25 20:55:51
81.28.107.174 attackspam
Autoban   81.28.107.174 AUTH/CONNECT
2019-10-25 20:57:10
188.165.250.228 attackbotsspam
Automatic report - Banned IP Access
2019-10-25 21:15:11
139.199.37.189 attack
Oct 25 14:32:16 ns41 sshd[3136]: Failed password for root from 139.199.37.189 port 35342 ssh2
Oct 25 14:32:16 ns41 sshd[3136]: Failed password for root from 139.199.37.189 port 35342 ssh2
2019-10-25 21:01:13
222.186.175.150 attack
2019-10-25T13:21:17.889183abusebot-5.cloudsearch.cf sshd\[3423\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.150  user=root
2019-10-25 21:22:38
34.67.51.32 attackspam
Hit on /wp-login.php
2019-10-25 20:50:03
109.72.249.106 attackbotsspam
RDP Bruteforce
2019-10-25 20:54:36
74.63.250.6 attack
Automatic report - Banned IP Access
2019-10-25 21:25:28
165.22.56.6 attack
abcdata-sys.de:80 165.22.56.6 - - \[25/Oct/2019:14:09:59 +0200\] "POST /xmlrpc.php HTTP/1.1" 301 441 "-" "WordPress/5.2.2\; https://chengshun.co"
www.goldgier.de 165.22.56.6 \[25/Oct/2019:14:10:00 +0200\] "POST /xmlrpc.php HTTP/1.1" 200 4479 "-" "WordPress/5.2.2\; https://chengshun.co"
2019-10-25 21:25:03
46.38.144.32 attack
SMTP Fraud Orders
2019-10-25 21:02:07
52.172.211.23 attack
2019-10-25T13:10:21.730081abusebot-5.cloudsearch.cf sshd\[3344\]: Invalid user PostgreSQL from 52.172.211.23 port 57430
2019-10-25 21:30:14
125.212.212.226 attackbots
Oct 25 02:42:35 eddieflores sshd\[21349\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.212.212.226  user=root
Oct 25 02:42:37 eddieflores sshd\[21349\]: Failed password for root from 125.212.212.226 port 40434 ssh2
Oct 25 02:47:21 eddieflores sshd\[21709\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.212.212.226  user=root
Oct 25 02:47:23 eddieflores sshd\[21709\]: Failed password for root from 125.212.212.226 port 52752 ssh2
Oct 25 02:52:11 eddieflores sshd\[22085\]: Invalid user yona from 125.212.212.226
Oct 25 02:52:11 eddieflores sshd\[22085\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.212.212.226
2019-10-25 20:58:56
179.219.140.209 attackspambots
Oct 24 00:32:05 newdogma sshd[3282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.219.140.209  user=r.r
Oct 24 00:32:07 newdogma sshd[3282]: Failed password for r.r from 179.219.140.209 port 52423 ssh2
Oct 24 00:32:07 newdogma sshd[3282]: Received disconnect from 179.219.140.209 port 52423:11: Bye Bye [preauth]
Oct 24 00:32:07 newdogma sshd[3282]: Disconnected from 179.219.140.209 port 52423 [preauth]
Oct 24 00:42:32 newdogma sshd[3363]: Invalid user stackato from 179.219.140.209 port 57124
Oct 24 00:42:32 newdogma sshd[3363]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.219.140.209
Oct 24 00:42:34 newdogma sshd[3363]: Failed password for invalid user stackato from 179.219.140.209 port 57124 ssh2
Oct 24 00:42:34 newdogma sshd[3363]: Received disconnect from 179.219.140.209 port 57124:11: Bye Bye [preauth]
Oct 24 00:42:34 newdogma sshd[3363]: Disconnected from 179.219.140.209 po........
-------------------------------
2019-10-25 21:29:59

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