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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40620
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.11.			IN	A

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

;; Query time: 44 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:53:48 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 11.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
85.93.218.204 attackbots
Oct 18 13:50:05 SilenceServices sshd[22223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.93.218.204
Oct 18 13:50:06 SilenceServices sshd[22223]: Failed password for invalid user 111111 from 85.93.218.204 port 41836 ssh2
Oct 18 13:50:09 SilenceServices sshd[22223]: Failed password for invalid user 111111 from 85.93.218.204 port 41836 ssh2
Oct 18 13:50:12 SilenceServices sshd[22223]: Failed password for invalid user 111111 from 85.93.218.204 port 41836 ssh2
2019-10-19 00:45:38
200.84.98.135 attackspambots
10/18/2019-07:36:28.813307 200.84.98.135 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2019-10-19 01:06:54
172.241.255.23 attackspam
Oct 18 15:50:37 h2177944 kernel: \[4282567.823815\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=172.241.255.23 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=15073 PROTO=TCP SPT=18230 DPT=23 WINDOW=0 RES=0x00 SYN URGP=0 
Oct 18 15:56:26 h2177944 kernel: \[4282917.023417\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=172.241.255.23 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=240 ID=2063 PROTO=TCP SPT=706 DPT=23 WINDOW=0 RES=0x00 SYN URGP=0 
Oct 18 16:02:46 h2177944 kernel: \[4283296.902434\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=172.241.255.23 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=240 ID=10567 PROTO=TCP SPT=51415 DPT=23 WINDOW=0 RES=0x00 SYN URGP=0 
Oct 18 16:06:11 h2177944 kernel: \[4283502.251857\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=172.241.255.23 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=240 ID=11179 PROTO=TCP SPT=15297 DPT=23 WINDOW=0 RES=0x00 SYN URGP=0 
Oct 18 16:06:55 h2177944 kernel: \[4283546.357222\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=172.241.255.23 DST=85.214.117.9 LEN=40 TOS=0x00 P
2019-10-19 00:28:23
54.36.148.178 attackbots
Automatic report - Banned IP Access
2019-10-19 00:47:55
142.44.211.229 attackspambots
2019-10-17T16:55:09.1131271495-001 sshd\[20955\]: Invalid user zhouh from 142.44.211.229 port 49252
2019-10-17T16:55:09.1162801495-001 sshd\[20955\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=229.ip-142-44-211.net
2019-10-17T16:55:10.7309451495-001 sshd\[20955\]: Failed password for invalid user zhouh from 142.44.211.229 port 49252 ssh2
2019-10-17T17:15:53.2582011495-001 sshd\[21821\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=229.ip-142-44-211.net  user=root
2019-10-17T17:15:54.8632431495-001 sshd\[21821\]: Failed password for root from 142.44.211.229 port 40330 ssh2
2019-10-17T17:19:22.0824871495-001 sshd\[21963\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=229.ip-142-44-211.net  user=root
2019-10-17T17:19:24.1236361495-001 sshd\[21963\]: Failed password for root from 142.44.211.229 port 51252 ssh2
...
2019-10-19 00:37:47
178.62.181.74 attackspam
2019-10-18T16:40:48.881997abusebot.cloudsearch.cf sshd\[21401\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.62.181.74  user=root
2019-10-19 01:05:10
118.69.244.146 attackbotsspam
www.geburtshaus-fulda.de 118.69.244.146 \[18/Oct/2019:13:37:17 +0200\] "POST /wp-login.php HTTP/1.1" 200 5785 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
www.geburtshaus-fulda.de 118.69.244.146 \[18/Oct/2019:13:37:20 +0200\] "POST /wp-login.php HTTP/1.1" 200 5789 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-10-19 00:39:51
60.12.215.85 attackbots
detected by Fail2Ban
2019-10-19 00:38:18
203.91.118.180 attackspam
Firewall-block on port: 1701, 500, 4500
2019-10-19 00:32:53
51.38.86.186 attack
#19670 - [51.38.86.186] Error: 550 5.7.1 Forged HELO hostname detected
#19670 - [51.38.86.186] Error: 550 5.7.1 Forged HELO hostname detected
#19670 - [51.38.86.186] Error: 550 5.7.1 Forged HELO hostname detected
#19670 - [51.38.86.186] Error: 550 5.7.1 Forged HELO hostname detected

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=51.38.86.186
2019-10-19 00:41:56
66.185.210.121 attackspam
Oct 18 16:31:25 XXX sshd[49701]: Invalid user polycom from 66.185.210.121 port 53874
2019-10-19 01:05:33
49.68.126.102 attackbotsspam
Unauthorised access (Oct 18) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=30081 TCP DPT=8080 WINDOW=20553 SYN 
Unauthorised access (Oct 18) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=22594 TCP DPT=8080 WINDOW=35991 SYN 
Unauthorised access (Oct 18) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=16502 TCP DPT=8080 WINDOW=18534 SYN 
Unauthorised access (Oct 17) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=24870 TCP DPT=8080 WINDOW=18534 SYN 
Unauthorised access (Oct 16) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=29093 TCP DPT=8080 WINDOW=55254 SYN 
Unauthorised access (Oct 15) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=60497 TCP DPT=8080 WINDOW=20553 SYN 
Unauthorised access (Oct 14) SRC=49.68.126.102 LEN=40 TOS=0x10 PREC=0x40 TTL=49 ID=13397 TCP DPT=8080 WINDOW=18534 SYN
2019-10-19 00:52:44
46.238.230.42 attackbotsspam
Automatic report - Port Scan Attack
2019-10-19 00:43:44
159.203.81.28 attackspambots
Oct 18 15:03:43 vps691689 sshd[4858]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.203.81.28
Oct 18 15:03:46 vps691689 sshd[4858]: Failed password for invalid user simong from 159.203.81.28 port 55711 ssh2
...
2019-10-19 01:03:52
2001:e68:5415:6037:100e:7f14:9632:1f8d attack
LGS,WP GET /wp-login.php
2019-10-19 01:01:35

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