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: China

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 <<>> 42.121.99.18
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63256
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.121.99.18.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025030100 1800 900 604800 86400

;; Query time: 52 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 01 19:02:51 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 18.99.121.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 18.99.121.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.12.58.4 attackspambots
$f2bV_matches
2020-03-12 04:14:00
201.22.16.163 attackbots
suspicious action Wed, 11 Mar 2020 16:18:48 -0300
2020-03-12 04:05:45
202.51.110.214 attack
suspicious action Wed, 11 Mar 2020 16:18:58 -0300
2020-03-12 04:00:28
95.87.249.6 attack
firewall-block, port(s): 3389/tcp
2020-03-12 03:57:45
177.23.184.99 attack
Mar 11 20:18:56 localhost sshd\[24403\]: Invalid user jigang from 177.23.184.99 port 58126
Mar 11 20:18:56 localhost sshd\[24403\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.23.184.99
Mar 11 20:18:58 localhost sshd\[24403\]: Failed password for invalid user jigang from 177.23.184.99 port 58126 ssh2
2020-03-12 04:00:08
211.115.116.181 attackbotsspam
03/11/2020-15:57:54.298423 211.115.116.181 Protocol: 6 ET SCAN Potential SSH Scan
2020-03-12 03:58:43
223.166.128.147 attackbots
Mar 11 15:18:55 plusreed sshd[2344]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.166.128.147  user=root
Mar 11 15:18:57 plusreed sshd[2344]: Failed password for root from 223.166.128.147 port 43194 ssh2
...
2020-03-12 03:59:47
82.81.131.9 attack
firewall-block, port(s): 5555/tcp
2020-03-12 03:56:35
58.87.74.123 attack
Mar 11 21:14:28 pkdns2 sshd\[26962\]: Failed password for root from 58.87.74.123 port 47389 ssh2Mar 11 21:15:50 pkdns2 sshd\[27060\]: Invalid user ts3user from 58.87.74.123Mar 11 21:15:52 pkdns2 sshd\[27060\]: Failed password for invalid user ts3user from 58.87.74.123 port 8902 ssh2Mar 11 21:17:13 pkdns2 sshd\[27114\]: Invalid user odoo from 58.87.74.123Mar 11 21:17:15 pkdns2 sshd\[27114\]: Failed password for invalid user odoo from 58.87.74.123 port 30400 ssh2Mar 11 21:18:39 pkdns2 sshd\[27157\]: Failed password for root from 58.87.74.123 port 51878 ssh2
...
2020-03-12 04:12:01
50.254.86.98 attack
Mar 11 19:13:00 marvibiene sshd[3406]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.254.86.98  user=root
Mar 11 19:13:02 marvibiene sshd[3406]: Failed password for root from 50.254.86.98 port 48618 ssh2
Mar 11 19:18:43 marvibiene sshd[3472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.254.86.98  user=root
Mar 11 19:18:44 marvibiene sshd[3472]: Failed password for root from 50.254.86.98 port 35216 ssh2
...
2020-03-12 04:08:42
79.187.192.249 attack
Mar 11 15:18:08 Tower sshd[34602]: Connection from 79.187.192.249 port 59380 on 192.168.10.220 port 22 rdomain ""
Mar 11 15:18:09 Tower sshd[34602]: Failed password for root from 79.187.192.249 port 59380 ssh2
Mar 11 15:18:09 Tower sshd[34602]: Received disconnect from 79.187.192.249 port 59380:11: Bye Bye [preauth]
Mar 11 15:18:09 Tower sshd[34602]: Disconnected from authenticating user root 79.187.192.249 port 59380 [preauth]
2020-03-12 04:16:05
51.77.68.92 attackbotsspam
Attempted connection to port 14831.
2020-03-12 04:05:01
212.162.151.229 attackbotsspam
SMTP brute force
...
2020-03-12 03:57:24
222.186.31.135 attackspam
Mar 11 21:13:07 plex sshd[26366]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.135  user=root
Mar 11 21:13:09 plex sshd[26366]: Failed password for root from 222.186.31.135 port 24797 ssh2
2020-03-12 04:14:29
138.197.145.26 attackbots
Automatic report - Banned IP Access
2020-03-12 04:01:56

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