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 <<>> 104.21.54.207
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53858
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.207.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:06:35 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 207.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 207.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.12.30.59 attack
Oct 26 04:14:35 firewall sshd[20346]: Invalid user delinke from 106.12.30.59
Oct 26 04:14:37 firewall sshd[20346]: Failed password for invalid user delinke from 106.12.30.59 port 48963 ssh2
Oct 26 04:21:02 firewall sshd[20452]: Invalid user abcd12345 from 106.12.30.59
...
2019-10-26 16:03:04
94.177.215.195 attackspambots
2019-10-25T20:48:27.635517-07:00 suse-nuc sshd[25013]: Invalid user ysop from 94.177.215.195 port 37016
...
2019-10-26 16:24:51
104.244.75.244 attack
Oct 25 01:11:35 archiv sshd[7918]: reveeclipse mapping checking getaddrinfo for . [104.244.75.244] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct 25 01:11:35 archiv sshd[7918]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.244.75.244  user=r.r
Oct 25 01:11:36 archiv sshd[7918]: Failed password for r.r from 104.244.75.244 port 57142 ssh2
Oct 25 01:11:37 archiv sshd[7918]: Received disconnect from 104.244.75.244 port 57142:11: Bye Bye [preauth]
Oct 25 01:11:37 archiv sshd[7918]: Disconnected from 104.244.75.244 port 57142 [preauth]
Oct 25 01:17:42 archiv sshd[7954]: reveeclipse mapping checking getaddrinfo for . [104.244.75.244] failed - POSSIBLE BREAK-IN ATTEMPT!
Oct 25 01:17:42 archiv sshd[7954]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.244.75.244  user=r.r
Oct 25 01:17:45 archiv sshd[7954]: Failed password for r.r from 104.244.75.244 port 52708 ssh2
Oct 25 01:17:45 archiv sshd[795........
-------------------------------
2019-10-26 16:33:30
125.162.220.163 attack
445/tcp
[2019-10-26]1pkt
2019-10-26 16:15:28
187.107.172.225 attackspam
23/tcp
[2019-10-26]1pkt
2019-10-26 16:05:38
174.76.35.28 attackbotsspam
IMAP brute force
...
2019-10-26 16:29:07
91.121.172.194 attackbots
Oct 26 08:04:41 dedicated sshd[9013]: Invalid user mcserver from 91.121.172.194 port 53118
2019-10-26 16:39:57
62.225.61.221 attack
Automatic report - Banned IP Access
2019-10-26 16:38:15
51.235.155.185 attack
445/tcp
[2019-10-26]1pkt
2019-10-26 16:08:18
80.255.130.197 attackspam
Invalid user arkserver from 80.255.130.197 port 51635
2019-10-26 16:16:31
77.247.110.245 attackbotsspam
\[2019-10-26 05:48:08\] SECURITY\[1882\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-26T05:48:08.443+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="202",SessionID="0x7fde910f8fa8",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/77.247.110.245/6093",Challenge="5f6dacd7",ReceivedChallenge="5f6dacd7",ReceivedHash="d8bf93b9666bb709fcd342da4d9d0f9a"
\[2019-10-26 05:48:08\] SECURITY\[1882\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-26T05:48:08.768+0200",Severity="Error",Service="SIP",EventVersion="2",AccountID="202",SessionID="0x7fde91351f98",LocalAddress="IPV4/UDP/204.8.216.89/5060",RemoteAddress="IPV4/UDP/77.247.110.245/6093",Challenge="23187c89",ReceivedChallenge="23187c89",ReceivedHash="11ff76b04a77fb09c01da8bc70f5d8b7"
\[2019-10-26 05:48:08\] SECURITY\[1882\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-26T05:48:08.852+0200",Severity="Error",Service="SIP",EventVersion="2",Acco
...
2019-10-26 16:34:21
52.192.154.52 attack
slow and persistent scanner
2019-10-26 16:18:33
49.88.112.72 attack
2019-10-26T08:01:06.314462abusebot-7.cloudsearch.cf sshd\[23557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.72  user=root
2019-10-26 16:06:45
171.242.250.210 attack
445/tcp
[2019-10-26]1pkt
2019-10-26 16:05:08
207.46.13.123 attackbots
Automatic report - Banned IP Access
2019-10-26 16:20:11

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