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 <<>> 104.21.42.181
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38538
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.181.			IN	A

;; AUTHORITY SECTION:
.			185	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022001 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 21 05:23:32 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 181.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 181.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
109.228.246.53 attackspam
Unauthorized connection attempt detected from IP address 109.228.246.53 to port 23
2020-04-25 16:43:46
103.146.202.150 attackbots
ID - - [24/Apr/2020:23:54:10 +0300] POST /wp-login.php HTTP/1.1 200 4866 - Mozilla/5.0 X11; Ubuntu; Linux x86_64; rv:62.0 Gecko/20100101 Firefox/62.0
2020-04-25 16:49:04
218.78.54.80 attack
Apr 25 07:48:27 eventyay sshd[1840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.78.54.80
Apr 25 07:48:28 eventyay sshd[1840]: Failed password for invalid user test from 218.78.54.80 port 58907 ssh2
Apr 25 07:54:02 eventyay sshd[2090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.78.54.80
...
2020-04-25 16:13:55
158.69.196.238 attack
SSH Scan
2020-04-25 16:49:44
176.123.6.48 attack
(sshd) Failed SSH login from 176.123.6.48 (MD/Republic of Moldova/init-in-dollarde.cnndy.net): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 25 07:30:19 amsweb01 sshd[16638]: Invalid user ubnt from 176.123.6.48 port 37354
Apr 25 07:30:21 amsweb01 sshd[16638]: Failed password for invalid user ubnt from 176.123.6.48 port 37354 ssh2
Apr 25 07:30:21 amsweb01 sshd[16640]: User admin from 176.123.6.48 not allowed because not listed in AllowUsers
Apr 25 07:30:21 amsweb01 sshd[16640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.123.6.48  user=admin
Apr 25 07:30:24 amsweb01 sshd[16640]: Failed password for invalid user admin from 176.123.6.48 port 39672 ssh2
2020-04-25 16:37:32
86.57.234.172 attack
frenzy
2020-04-25 16:21:43
186.232.136.240 attackbots
Unauthorized connection attempt from IP address 186.232.136.240
2020-04-25 16:19:18
218.255.139.66 attack
Apr 25 08:34:39 home sshd[23756]: Failed password for root from 218.255.139.66 port 65438 ssh2
Apr 25 08:39:06 home sshd[24541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.255.139.66
Apr 25 08:39:08 home sshd[24541]: Failed password for invalid user sybase from 218.255.139.66 port 17542 ssh2
...
2020-04-25 16:52:00
185.234.72.118 attackbotsspam
Apr 25 00:10:01 r.ca sshd[18234]: Failed password for invalid user aniko from 185.234.72.118 port 41366 ssh2
2020-04-25 16:09:57
222.186.175.154 attack
Apr 25 10:15:52 * sshd[22523]: Failed password for root from 222.186.175.154 port 37190 ssh2
Apr 25 10:16:05 * sshd[22523]: error: maximum authentication attempts exceeded for root from 222.186.175.154 port 37190 ssh2 [preauth]
2020-04-25 16:17:18
49.235.81.23 attack
Invalid user admin from 49.235.81.23 port 34138
2020-04-25 16:54:35
210.5.85.150 attackbots
2020-04-25T04:50:04.221818shield sshd\[19700\]: Invalid user src_user from 210.5.85.150 port 48926
2020-04-25T04:50:04.226348shield sshd\[19700\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.5.85.150
2020-04-25T04:50:06.219872shield sshd\[19700\]: Failed password for invalid user src_user from 210.5.85.150 port 48926 ssh2
2020-04-25T04:54:04.004762shield sshd\[20615\]: Invalid user avto from 210.5.85.150 port 48620
2020-04-25T04:54:04.009592shield sshd\[20615\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.5.85.150
2020-04-25 16:15:17
45.6.72.17 attackbotsspam
$f2bV_matches | Triggered by Fail2Ban at Vostok web server
2020-04-25 16:47:18
51.178.27.237 attackbots
Apr 25 10:14:30 srv01 sshd[25518]: Invalid user reward from 51.178.27.237 port 40292
Apr 25 10:14:30 srv01 sshd[25518]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.178.27.237
Apr 25 10:14:30 srv01 sshd[25518]: Invalid user reward from 51.178.27.237 port 40292
Apr 25 10:14:32 srv01 sshd[25518]: Failed password for invalid user reward from 51.178.27.237 port 40292 ssh2
Apr 25 10:22:02 srv01 sshd[26245]: Invalid user shin from 51.178.27.237 port 52872
...
2020-04-25 16:40:55
36.92.174.133 attackbots
Invalid user ubuntu from 36.92.174.133 port 53969
2020-04-25 16:47:52

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