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 <<>> 104.21.16.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2094
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.16.242.			IN	A

;; AUTHORITY SECTION:
.			207	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:31:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 242.16.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.16.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.101.226.249 attackspambots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-10-17 01:01:56
106.12.58.4 attackbotsspam
Oct 16 15:08:47 mail sshd[7440]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.58.4  user=root
Oct 16 15:08:49 mail sshd[7440]: Failed password for root from 106.12.58.4 port 52480 ssh2
Oct 16 15:19:24 mail sshd[8838]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.58.4  user=root
Oct 16 15:19:26 mail sshd[8838]: Failed password for root from 106.12.58.4 port 55374 ssh2
...
2019-10-17 00:51:27
190.74.13.175 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-10-17 00:35:12
192.241.185.120 attackspambots
2019-10-16T14:41:08.139441abusebot-2.cloudsearch.cf sshd\[10867\]: Invalid user rancid from 192.241.185.120 port 44615
2019-10-17 00:42:09
191.36.140.132 attackspambots
Automatic report - Port Scan Attack
2019-10-17 00:47:02
217.182.79.245 attack
Oct 16 06:48:23 hpm sshd\[3840\]: Invalid user tspass from 217.182.79.245
Oct 16 06:48:23 hpm sshd\[3840\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=245.ip-217-182-79.eu
Oct 16 06:48:24 hpm sshd\[3840\]: Failed password for invalid user tspass from 217.182.79.245 port 60764 ssh2
Oct 16 06:52:31 hpm sshd\[4150\]: Invalid user toy from 217.182.79.245
Oct 16 06:52:31 hpm sshd\[4150\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=245.ip-217-182-79.eu
2019-10-17 01:04:02
94.177.240.98 attackspam
Invalid user admin from 94.177.240.98 port 52306
2019-10-17 00:28:47
150.223.16.181 attackbotsspam
Oct 16 14:19:44 vpn01 sshd[5429]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.223.16.181
Oct 16 14:19:46 vpn01 sshd[5429]: Failed password for invalid user jikuoluo from 150.223.16.181 port 53502 ssh2
...
2019-10-17 01:00:57
203.146.170.167 attackspam
Oct 16 18:42:30 SilenceServices sshd[2104]: Failed password for root from 203.146.170.167 port 60386 ssh2
Oct 16 18:46:50 SilenceServices sshd[3209]: Failed password for root from 203.146.170.167 port 38635 ssh2
2019-10-17 00:55:07
175.143.127.73 attackspam
Oct 16 14:17:57 ArkNodeAT sshd\[26044\]: Invalid user ubntubnt from 175.143.127.73
Oct 16 14:17:57 ArkNodeAT sshd\[26044\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.143.127.73
Oct 16 14:17:59 ArkNodeAT sshd\[26044\]: Failed password for invalid user ubntubnt from 175.143.127.73 port 55236 ssh2
2019-10-17 01:08:53
149.202.204.88 attack
Invalid user com from 149.202.204.88 port 46430
2019-10-17 00:59:23
213.193.42.87 attack
Unauthorised access (Oct 16) SRC=213.193.42.87 LEN=52 TTL=113 ID=4892 DF TCP DPT=445 WINDOW=8192 SYN
2019-10-17 00:33:55
196.52.43.125 attack
scan r
2019-10-17 01:07:29
200.194.28.116 attackbots
Oct 16 18:35:29 tux-35-217 sshd\[14769\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.194.28.116  user=root
Oct 16 18:35:31 tux-35-217 sshd\[14769\]: Failed password for root from 200.194.28.116 port 41912 ssh2
Oct 16 18:35:33 tux-35-217 sshd\[14769\]: Failed password for root from 200.194.28.116 port 41912 ssh2
Oct 16 18:35:35 tux-35-217 sshd\[14769\]: Failed password for root from 200.194.28.116 port 41912 ssh2
...
2019-10-17 00:43:39
60.12.219.152 attackbots
WP user enumerator
2019-10-17 00:33:34

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