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 <<>> 104.21.53.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26553
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.135.			IN	A

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

;; Query time: 20 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:06 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 135.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 135.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
40.77.167.241 attackbotsspam
$f2bV_matches
2020-08-11 04:07:53
49.234.27.90 attackspambots
Aug 10 17:14:13 ns3164893 sshd[21798]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.27.90  user=root
Aug 10 17:14:15 ns3164893 sshd[21798]: Failed password for root from 49.234.27.90 port 57858 ssh2
...
2020-08-11 03:55:52
2.177.198.202 attack
Unauthorized connection attempt from IP address 2.177.198.202 on Port 445(SMB)
2020-08-11 03:54:37
190.207.115.5 attackspam
Unauthorized connection attempt from IP address 190.207.115.5 on Port 445(SMB)
2020-08-11 04:03:33
116.96.171.224 attackspambots
Unauthorized connection attempt from IP address 116.96.171.224 on Port 445(SMB)
2020-08-11 04:19:26
91.134.167.236 attack
Aug 10 15:36:44 web8 sshd\[26515\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.134.167.236  user=root
Aug 10 15:36:46 web8 sshd\[26515\]: Failed password for root from 91.134.167.236 port 10908 ssh2
Aug 10 15:42:05 web8 sshd\[29068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.134.167.236  user=root
Aug 10 15:42:07 web8 sshd\[29068\]: Failed password for root from 91.134.167.236 port 51268 ssh2
Aug 10 15:45:52 web8 sshd\[31735\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.134.167.236  user=root
2020-08-11 04:14:38
67.205.139.102 attackbots
Aug 10 14:18:47 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=67.205.139.102 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=54 ID=25475 PROTO=TCP SPT=2176 DPT=23 WINDOW=54369 RES=0x00 SYN URGP=0 Aug 10 14:21:22 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=67.205.139.102 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=54 ID=25475 PROTO=TCP SPT=2176 DPT=23 WINDOW=54369 RES=0x00 SYN URGP=0 Aug 10 14:22:29 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=67.205.139.102 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=54 ID=25475 PROTO=TCP SPT=2176 DPT=23 WINDOW=54369 RES=0x00 SYN URGP=0 Aug 10 14:23:31 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=67.205.139.102 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=54 ID=25475 PROTO=TCP SPT=2176 DPT=23 WINDOW=54369 RES=0x00 SYN URGP=0 Aug 10 14:23:55 *hidden* kernel: [UF
...
2020-08-11 03:43:45
158.140.181.59 attackspambots
Aug 10 14:00:50 sd-69548 sshd[3229926]: Invalid user admina from 158.140.181.59 port 50814
Aug 10 14:00:50 sd-69548 sshd[3229926]: Connection closed by invalid user admina 158.140.181.59 port 50814 [preauth]
...
2020-08-11 04:02:00
212.58.121.149 attack
Unauthorized connection attempt from IP address 212.58.121.149 on Port 445(SMB)
2020-08-11 03:51:35
211.80.102.182 attackbots
Aug 10 16:38:11 vps1 sshd[11679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:38:12 vps1 sshd[11679]: Failed password for invalid user Parisa from 211.80.102.182 port 3539 ssh2
Aug 10 16:41:26 vps1 sshd[11744]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:41:28 vps1 sshd[11744]: Failed password for invalid user qwerasdf147 from 211.80.102.182 port 28412 ssh2
Aug 10 16:44:44 vps1 sshd[11780]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.80.102.182 
Aug 10 16:44:47 vps1 sshd[11780]: Failed password for invalid user 1qaz@4rfv from 211.80.102.182 port 37408 ssh2
...
2020-08-11 04:13:46
59.120.192.209 attackspam
Unauthorized connection attempt from IP address 59.120.192.209 on Port 445(SMB)
2020-08-11 04:13:28
141.98.10.195 attackspam
2020-08-10T19:37:43.296189abusebot-5.cloudsearch.cf sshd[16040]: Invalid user 1234 from 141.98.10.195 port 59770
2020-08-10T19:37:43.301612abusebot-5.cloudsearch.cf sshd[16040]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.10.195
2020-08-10T19:37:43.296189abusebot-5.cloudsearch.cf sshd[16040]: Invalid user 1234 from 141.98.10.195 port 59770
2020-08-10T19:37:44.852116abusebot-5.cloudsearch.cf sshd[16040]: Failed password for invalid user 1234 from 141.98.10.195 port 59770 ssh2
2020-08-10T19:38:18.296055abusebot-5.cloudsearch.cf sshd[16164]: Invalid user user from 141.98.10.195 port 46906
2020-08-10T19:38:18.302027abusebot-5.cloudsearch.cf sshd[16164]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.98.10.195
2020-08-10T19:38:18.296055abusebot-5.cloudsearch.cf sshd[16164]: Invalid user user from 141.98.10.195 port 46906
2020-08-10T19:38:19.656851abusebot-5.cloudsearch.cf sshd[16164]: Failed pass
...
2020-08-11 03:42:22
94.255.246.218 attack
" "
2020-08-11 04:10:30
85.192.138.149 attackbots
Fail2Ban - SSH Bruteforce Attempt
2020-08-11 04:13:06
113.160.54.78 attackbotsspam
113.160.54.78 - - \[10/Aug/2020:15:33:59 +0200\] "POST /wp-login.php HTTP/1.1" 200 10019 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
113.160.54.78 - - \[10/Aug/2020:15:34:00 +0200\] "POST /wp-login.php HTTP/1.1" 200 9888 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2020-08-11 04:11:55

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