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 of America (the)

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 <<>> 18.104.135.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27037
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;18.104.135.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020302 1800 900 604800 86400

;; Query time: 37 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 04 13:51:15 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 21.135.104.18.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
server can't find 18.104.135.21.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
111.230.241.245 attack
2019-12-18T09:51:30.344902  sshd[32646]: Invalid user hieldbrant from 111.230.241.245 port 48082
2019-12-18T09:51:30.359127  sshd[32646]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.241.245
2019-12-18T09:51:30.344902  sshd[32646]: Invalid user hieldbrant from 111.230.241.245 port 48082
2019-12-18T09:51:32.933083  sshd[32646]: Failed password for invalid user hieldbrant from 111.230.241.245 port 48082 ssh2
2019-12-18T10:07:28.467380  sshd[612]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.241.245  user=named
2019-12-18T10:07:30.223774  sshd[612]: Failed password for named from 111.230.241.245 port 35340 ssh2
...
2019-12-18 18:02:11
142.11.236.205 attackbotsspam
Host Scan
2019-12-18 18:01:55
180.252.139.14 attackspambots
Unauthorized connection attempt detected from IP address 180.252.139.14 to port 445
2019-12-18 18:15:08
58.56.114.150 attack
$f2bV_matches
2019-12-18 17:52:17
222.99.52.216 attackspam
Dec 18 09:19:37 microserver sshd[30983]: Invalid user hung from 222.99.52.216 port 27293
Dec 18 09:19:37 microserver sshd[30983]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.99.52.216
Dec 18 09:19:39 microserver sshd[30983]: Failed password for invalid user hung from 222.99.52.216 port 27293 ssh2
Dec 18 09:25:50 microserver sshd[32239]: Invalid user http from 222.99.52.216 port 33758
Dec 18 09:25:50 microserver sshd[32239]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.99.52.216
Dec 18 10:03:18 microserver sshd[38496]: Invalid user advice from 222.99.52.216 port 17273
Dec 18 10:03:18 microserver sshd[38496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.99.52.216
Dec 18 10:03:20 microserver sshd[38496]: Failed password for invalid user advice from 222.99.52.216 port 17273 ssh2
Dec 18 10:09:33 microserver sshd[39411]: Invalid user guest from 222.99.52.216 port 23740
Dec 18
2019-12-18 17:55:35
45.120.69.82 attackspambots
Dec 18 06:27:54 l02a sshd[28302]: Invalid user asterisk from 45.120.69.82
Dec 18 06:27:54 l02a sshd[28302]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.120.69.82 
Dec 18 06:27:54 l02a sshd[28302]: Invalid user asterisk from 45.120.69.82
Dec 18 06:27:56 l02a sshd[28302]: Failed password for invalid user asterisk from 45.120.69.82 port 60584 ssh2
2019-12-18 17:52:46
117.50.104.206 attackspam
12/18/2019-01:27:42.970293 117.50.104.206 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-12-18 18:08:39
188.166.251.156 attack
Dec 18 09:49:41 srv206 sshd[1952]: Invalid user http from 188.166.251.156
Dec 18 09:49:41 srv206 sshd[1952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.251.156
Dec 18 09:49:41 srv206 sshd[1952]: Invalid user http from 188.166.251.156
Dec 18 09:49:43 srv206 sshd[1952]: Failed password for invalid user http from 188.166.251.156 port 48102 ssh2
...
2019-12-18 17:58:50
54.39.147.2 attackbots
Dec 18 10:38:54 sd-53420 sshd\[7310\]: Invalid user sol from 54.39.147.2
Dec 18 10:38:54 sd-53420 sshd\[7310\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.147.2
Dec 18 10:38:56 sd-53420 sshd\[7310\]: Failed password for invalid user sol from 54.39.147.2 port 46284 ssh2
Dec 18 10:45:49 sd-53420 sshd\[9929\]: Invalid user mlbrost from 54.39.147.2
Dec 18 10:45:49 sd-53420 sshd\[9929\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.147.2
...
2019-12-18 17:51:13
208.115.215.38 attackspam
firewall-block, port(s): 80/tcp, 81/tcp, 82/tcp, 83/tcp, 8080/tcp, 8081/tcp, 8082/tcp, 8083/tcp
2019-12-18 18:19:38
118.25.189.123 attackspam
Dec 17 21:39:30 kapalua sshd\[9512\]: Invalid user testftp from 118.25.189.123
Dec 17 21:39:30 kapalua sshd\[9512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.189.123
Dec 17 21:39:32 kapalua sshd\[9512\]: Failed password for invalid user testftp from 118.25.189.123 port 52312 ssh2
Dec 17 21:48:03 kapalua sshd\[10361\]: Invalid user info from 118.25.189.123
Dec 17 21:48:03 kapalua sshd\[10361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.189.123
2019-12-18 18:23:06
222.186.52.78 attack
Dec 18 05:04:50 linuxvps sshd\[50505\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.78  user=root
Dec 18 05:04:52 linuxvps sshd\[50505\]: Failed password for root from 222.186.52.78 port 24879 ssh2
Dec 18 05:05:48 linuxvps sshd\[51071\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.78  user=root
Dec 18 05:05:50 linuxvps sshd\[51071\]: Failed password for root from 222.186.52.78 port 10018 ssh2
Dec 18 05:11:38 linuxvps sshd\[54587\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.52.78  user=root
2019-12-18 18:16:32
52.184.28.215 attackbots
MultiHost/MultiPort Probe, Scan, Hack -
2019-12-18 18:18:34
94.79.55.196 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-12-18 18:03:31
209.17.96.234 attack
209.17.96.234 was recorded 12 times by 9 hosts attempting to connect to the following ports: 5916,47808,6002,2161,5986,44818,3000,17185,135,5901,5984,6001. Incident counter (4h, 24h, all-time): 12, 68, 1935
2019-12-18 18:04:53

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