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 <<>> 104.21.51.134
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1798
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.134.			IN	A

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

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:38:48 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 134.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 134.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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$f2bV_matches
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...
2020-10-01 13:44:46
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2020-10-01 14:09:15
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$f2bV_matches
2020-10-01 14:23:52
178.80.54.189 attack
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178.80.54.189 - - [30/Sep/2020:22:02:13 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
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2020-10-01 14:14:07
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2020-10-01 13:45:51
62.234.17.74 attackbots
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...
2020-10-01 13:45:13
213.32.31.108 attack
Oct  1 01:12:24 nextcloud sshd\[26497\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.31.108  user=mysql
Oct  1 01:12:26 nextcloud sshd\[26497\]: Failed password for mysql from 213.32.31.108 port 56897 ssh2
Oct  1 01:15:19 nextcloud sshd\[29621\]: Invalid user mailer from 213.32.31.108
Oct  1 01:15:19 nextcloud sshd\[29621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.32.31.108
2020-10-01 14:24:43

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