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 <<>> 104.18.17.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53575
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.17.21.			IN	A

;; AUTHORITY SECTION:
.			50	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 01:46:50 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.17.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.17.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
27.254.137.144 attackspambots
27.254.137.144 (TH/Thailand/-), 5 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 28 06:08:56 server sshd[1030]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.241.202.58  user=root
Sep 28 06:08:07 server sshd[907]: Failed password for root from 27.254.137.144 port 51164 ssh2
Sep 28 06:01:19 server sshd[32333]: Failed password for root from 51.68.44.13 port 47336 ssh2
Sep 28 06:04:43 server sshd[307]: Failed password for root from 85.247.0.210 port 58521 ssh2
Sep 28 06:08:04 server sshd[907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.254.137.144  user=root

IP Addresses Blocked:

218.241.202.58 (CN/China/-)
2020-09-28 15:07:14
37.139.1.197 attackspambots
Time:     Mon Sep 28 06:15:40 2020 +0000
IP:       37.139.1.197 (NL/Netherlands/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 28 05:53:50 48-1 sshd[20758]: Invalid user oracle from 37.139.1.197 port 39219
Sep 28 05:53:52 48-1 sshd[20758]: Failed password for invalid user oracle from 37.139.1.197 port 39219 ssh2
Sep 28 06:07:13 48-1 sshd[21405]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.139.1.197  user=root
Sep 28 06:07:15 48-1 sshd[21405]: Failed password for root from 37.139.1.197 port 55466 ssh2
Sep 28 06:15:38 48-1 sshd[21795]: Invalid user sysadmin from 37.139.1.197 port 59532
2020-09-28 14:48:26
220.161.81.131 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-09-28T05:26:21Z and 2020-09-28T05:31:24Z
2020-09-28 15:01:53
209.198.80.8 attackspambots
Multiple SSH authentication failures from 209.198.80.8
2020-09-28 15:23:01
149.56.45.139 attackbots
Sep 28 06:53:49 sip sshd[1755536]: Invalid user trade from 149.56.45.139 port 56408
Sep 28 06:53:50 sip sshd[1755536]: Failed password for invalid user trade from 149.56.45.139 port 56408 ssh2
Sep 28 07:01:30 sip sshd[1755555]: Invalid user office from 149.56.45.139 port 39434
...
2020-09-28 15:21:26
117.50.7.14 attackspam
2020-09-28T05:49:06.897268randservbullet-proofcloud-66.localdomain sshd[25781]: Invalid user arief from 117.50.7.14 port 34056
2020-09-28T05:49:06.901931randservbullet-proofcloud-66.localdomain sshd[25781]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.50.7.14
2020-09-28T05:49:06.897268randservbullet-proofcloud-66.localdomain sshd[25781]: Invalid user arief from 117.50.7.14 port 34056
2020-09-28T05:49:08.717613randservbullet-proofcloud-66.localdomain sshd[25781]: Failed password for invalid user arief from 117.50.7.14 port 34056 ssh2
...
2020-09-28 14:50:21
64.227.126.134 attackbots
$f2bV_matches
2020-09-28 14:45:51
68.183.229.218 attackspambots
$f2bV_matches
2020-09-28 14:45:31
192.241.238.225 attack
imap
2020-09-28 15:01:41
222.186.175.148 attackspam
Sep 28 08:35:17 mail sshd[31704]: Failed password for root from 222.186.175.148 port 19460 ssh2
Sep 28 08:35:20 mail sshd[31704]: Failed password for root from 222.186.175.148 port 19460 ssh2
...
2020-09-28 14:48:53
95.107.53.155 attackbotsspam
Automatic report - Banned IP Access
2020-09-28 15:04:26
49.234.126.244 attackspam
Sep 28 08:43:31  sshd\[7248\]: Invalid user ts3server from 49.234.126.244Sep 28 08:43:33  sshd\[7248\]: Failed password for invalid user ts3server from 49.234.126.244 port 37154 ssh2
...
2020-09-28 14:51:26
92.118.160.1 attackspam
Port scanning [2 denied]
2020-09-28 15:29:25
177.66.56.76 attackbotsspam
Automatic report - Port Scan Attack
2020-09-28 15:19:00
119.165.12.54 attack
20/9/27@16:38:09: FAIL: IoT-Telnet address from=119.165.12.54
...
2020-09-28 14:59:59

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