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 <<>> 104.21.73.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48873
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.73.55.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021801 1800 900 604800 86400

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 19 03:30:57 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 55.73.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.73.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
182.172.15.249 attack
2019-07-23T23:10:01.128614hz01.yumiweb.com sshd\[6406\]: Invalid user hadoop from 182.172.15.249 port 51314
2019-07-23T23:12:59.751544hz01.yumiweb.com sshd\[6409\]: Invalid user hadoop from 182.172.15.249 port 54678
2019-07-23T23:15:31.869945hz01.yumiweb.com sshd\[6421\]: Invalid user centos from 182.172.15.249 port 58050
...
2019-07-24 12:48:22
211.147.216.19 attackbots
Jul 24 09:57:01 areeb-Workstation sshd\[25477\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.147.216.19  user=www-data
Jul 24 09:57:03 areeb-Workstation sshd\[25477\]: Failed password for www-data from 211.147.216.19 port 32870 ssh2
Jul 24 09:59:27 areeb-Workstation sshd\[25876\]: Invalid user asa from 211.147.216.19
Jul 24 09:59:27 areeb-Workstation sshd\[25876\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.147.216.19
...
2019-07-24 12:46:48
92.53.65.136 attack
Splunk® : port scan detected:
Jul 24 00:02:18 testbed kernel: Firewall: *TCP_IN Blocked* IN=eth0 OUT= MAC=82:c6:52:d1:6e:53:c0:42:d0:39:2c:30:08:00 SRC=92.53.65.136 DST=104.248.11.191 LEN=40 TOS=0x00 PREC=0x20 TTL=246 ID=63394 PROTO=TCP SPT=44533 DPT=4121 WINDOW=1024 RES=0x00 SYN URGP=0
2019-07-24 12:53:35
112.85.42.194 attackspambots
Jul 24 06:06:36 legacy sshd[9631]: Failed password for root from 112.85.42.194 port 20848 ssh2
Jul 24 06:08:08 legacy sshd[9658]: Failed password for root from 112.85.42.194 port 57448 ssh2
...
2019-07-24 12:47:54
45.55.233.213 attack
Jul 24 06:27:40 h2177944 sshd\[16362\]: Invalid user akhtar from 45.55.233.213 port 41226
Jul 24 06:27:40 h2177944 sshd\[16362\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.233.213
Jul 24 06:27:41 h2177944 sshd\[16362\]: Failed password for invalid user akhtar from 45.55.233.213 port 41226 ssh2
Jul 24 06:33:54 h2177944 sshd\[16577\]: Invalid user rohit from 45.55.233.213 port 34730
Jul 24 06:33:54 h2177944 sshd\[16577\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.233.213
...
2019-07-24 12:34:20
188.165.255.8 attackbotsspam
2019-07-24T11:15:57.885228enmeeting.mahidol.ac.th sshd\[23213\]: Invalid user ubuntu from 188.165.255.8 port 33462
2019-07-24T11:15:57.898825enmeeting.mahidol.ac.th sshd\[23213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns380964.ip-188-165-255.eu
2019-07-24T11:16:00.409450enmeeting.mahidol.ac.th sshd\[23213\]: Failed password for invalid user ubuntu from 188.165.255.8 port 33462 ssh2
...
2019-07-24 12:50:35
106.52.68.193 attackspam
HTTP/80/443 Probe, Hack -
2019-07-24 12:58:06
80.82.77.139 attackbotsspam
firewall-block, port(s): 4786/tcp, 8140/tcp
2019-07-24 12:11:08
191.53.250.123 attack
failed_logins
2019-07-24 12:18:55
51.75.120.244 attackspambots
Jul 23 23:04:10 aat-srv002 sshd[6060]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.120.244
Jul 23 23:04:12 aat-srv002 sshd[6060]: Failed password for invalid user maxreg from 51.75.120.244 port 54574 ssh2
Jul 23 23:08:26 aat-srv002 sshd[6123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.120.244
Jul 23 23:08:28 aat-srv002 sshd[6123]: Failed password for invalid user oracle from 51.75.120.244 port 50156 ssh2
...
2019-07-24 12:25:45
42.99.180.167 attack
Jul 24 06:32:09 icinga sshd[28046]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.99.180.167
Jul 24 06:32:11 icinga sshd[28046]: Failed password for invalid user quser from 42.99.180.167 port 55675 ssh2
...
2019-07-24 12:49:30
198.245.49.72 attackspam
Automatic report - Banned IP Access
2019-07-24 12:50:09
45.55.145.31 attackbots
Jul 24 04:45:04 mail sshd\[10754\]: Failed password for invalid user elasticsearch from 45.55.145.31 port 54837 ssh2
Jul 24 05:01:36 mail sshd\[11000\]: Invalid user zzzz from 45.55.145.31 port 41850
...
2019-07-24 12:14:36
217.182.68.146 attack
Jul 24 07:17:53 yabzik sshd[17486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.68.146
Jul 24 07:17:55 yabzik sshd[17486]: Failed password for invalid user duplicity from 217.182.68.146 port 48190 ssh2
Jul 24 07:22:09 yabzik sshd[18853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.68.146
2019-07-24 12:26:01
186.125.182.3 attackspambots
2019-07-23 15:07:14 H=host3.186-125-182.telecom.net.ar [186.125.182.3]:36259 I=[192.147.25.65]:25 sender verify fail for : Unrouteable address
2019-07-23 15:07:14 H=host3.186-125-182.telecom.net.ar [186.125.182.3]:36259 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
2019-07-23 15:07:14 H=host3.186-125-182.telecom.net.ar [186.125.182.3]:36259 I=[192.147.25.65]:25 F= rejected RCPT : Sender verify failed
...
2019-07-24 12:47:19

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