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 <<>> 104.21.54.61
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20522
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.61.			IN	A

;; AUTHORITY SECTION:
.			515	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:58 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 61.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 61.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
34.97.216.211 attackbotsspam
Oct 23 09:57:56 mail sshd\[13826\]: Invalid user applmgr from 34.97.216.211
Oct 23 09:57:56 mail sshd\[13826\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=34.97.216.211
...
2019-10-24 00:10:59
83.76.24.180 attackbotsspam
2019-10-2315:09:01dovecot_plainauthenticatorfailedfor180.24.76.83.dynamic.wline.res.cust.swisscom.ch\([IPv6:::ffff:192.168.1.109]\)[83.76.24.180]:52454:535Incorrectauthenticationdata\(set_id=info@alphaboulder.ch\)2019-10-2315:09:07dovecot_loginauthenticatorfailedfor180.24.76.83.dynamic.wline.res.cust.swisscom.ch\([IPv6:::ffff:192.168.1.109]\)[83.76.24.180]:52454:535Incorrectauthenticationdata\(set_id=info@alphaboulder.ch\)2019-10-2315:09:13dovecot_plainauthenticatorfailedfor180.24.76.83.dynamic.wline.res.cust.swisscom.ch\([IPv6:::ffff:192.168.1.109]\)[83.76.24.180]:52455:535Incorrectauthenticationdata\(set_id=info@alphaboulder.ch\)2019-10-2315:09:19dovecot_loginauthenticatorfailedfor180.24.76.83.dynamic.wline.res.cust.swisscom.ch\([IPv6:::ffff:192.168.1.109]\)[83.76.24.180]:52455:535Incorrectauthenticationdata\(set_id=info@alphaboulder.ch\)2019-10-2315:37:01dovecot_plainauthenticatorfailedfor180.24.76.83.dynamic.wline.res.cust.swisscom.ch\([IPv6:::ffff:192.168.1.109]\)[83.76.24.180]:52489:535Incorrectauthenti
2019-10-24 00:15:14
65.49.212.67 attackspambots
Oct 23 16:14:56 ns37 sshd[23963]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=65.49.212.67
2019-10-23 23:48:35
187.141.50.219 attackspam
Invalid user yn from 187.141.50.219 port 51754
2019-10-23 23:58:28
222.186.190.92 attackspam
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.190.92  user=root
Failed password for root from 222.186.190.92 port 12346 ssh2
Failed password for root from 222.186.190.92 port 12346 ssh2
Failed password for root from 222.186.190.92 port 12346 ssh2
Failed password for root from 222.186.190.92 port 12346 ssh2
2019-10-24 00:08:07
198.108.66.121 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-23 23:48:08
61.19.22.217 attackspam
$f2bV_matches
2019-10-23 23:56:16
198.108.67.108 attackbotsspam
10/23/2019-09:00:39.714846 198.108.67.108 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-24 00:21:30
81.95.228.177 attackspambots
2019-10-23T11:35:45.223903shield sshd\[27791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.95.228.177  user=root
2019-10-23T11:35:46.995079shield sshd\[27791\]: Failed password for root from 81.95.228.177 port 58709 ssh2
2019-10-23T11:40:36.951248shield sshd\[28731\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.95.228.177  user=root
2019-10-23T11:40:39.008047shield sshd\[28731\]: Failed password for root from 81.95.228.177 port 17834 ssh2
2019-10-23T11:45:29.197063shield sshd\[29449\]: Invalid user ov from 81.95.228.177 port 52697
2019-10-23T11:45:29.202537shield sshd\[29449\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.95.228.177
2019-10-24 00:09:05
63.143.75.142 attackbotsspam
Oct 23 17:28:57 icinga sshd[30422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=63.143.75.142
Oct 23 17:28:58 icinga sshd[30422]: Failed password for invalid user darshan from 63.143.75.142 port 46718 ssh2
...
2019-10-23 23:47:31
106.12.100.184 attack
Oct 23 09:47:31 firewall sshd[24037]: Invalid user uno8 from 106.12.100.184
Oct 23 09:47:34 firewall sshd[24037]: Failed password for invalid user uno8 from 106.12.100.184 port 36544 ssh2
Oct 23 09:52:39 firewall sshd[24125]: Invalid user secor from 106.12.100.184
...
2019-10-24 00:05:12
47.22.135.70 attackbotsspam
Oct 23 17:04:06 nginx sshd[84950]: Connection from 47.22.135.70 port 40634 on 10.23.102.80 port 22
Oct 23 17:04:07 nginx sshd[84950]: Connection closed by 47.22.135.70 port 40634 [preauth]
2019-10-23 23:38:37
40.120.48.155 attack
Oct 23 13:38:59 tor-proxy-06 sshd\[28302\]: Invalid user professor from 40.120.48.155 port 45560
Oct 23 13:42:36 tor-proxy-06 sshd\[28319\]: Invalid user gitlab from 40.120.48.155 port 40692
Oct 23 13:46:04 tor-proxy-06 sshd\[28372\]: User root from 40.120.48.155 not allowed because not listed in AllowUsers
...
2019-10-23 23:37:26
198.108.66.93 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-24 00:18:08
111.231.71.157 attackspambots
F2B jail: sshd. Time: 2019-10-23 15:32:39, Reported by: VKReport
2019-10-24 00:13:54

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