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: None

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 <<>> 104.21.55.47
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24612
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.47.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:17:47 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 47.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 47.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.76.168.158 attackbots
Unauthorized connection attempt from IP address 103.76.168.158 on Port 445(SMB)
2020-04-25 02:18:23
91.47.43.48 attackbotsspam
Lines containing failures of 91.47.43.48
Apr 24 07:41:30 neweola sshd[25242]: Connection closed by 91.47.43.48 port 55214 [preauth]
Apr 24 07:50:42 neweola sshd[25480]: Invalid user manas from 91.47.43.48 port 37944
Apr 24 07:50:42 neweola sshd[25480]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.47.43.48 
Apr 24 07:50:44 neweola sshd[25480]: Failed password for invalid user manas from 91.47.43.48 port 37944 ssh2
Apr 24 07:50:46 neweola sshd[25480]: Received disconnect from 91.47.43.48 port 37944:11: Bye Bye [preauth]
Apr 24 07:50:46 neweola sshd[25480]: Disconnected from invalid user manas 91.47.43.48 port 37944 [preauth]
Apr 24 07:59:44 neweola sshd[25736]: Invalid user jounetsu from 91.47.43.48 port 48930
Apr 24 07:59:44 neweola sshd[25736]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.47.43.48 


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=91.47.43.48
2020-04-25 02:24:56
190.219.22.123 attack
Honeypot attack, port: 5555, PTR: PTR record not found
2020-04-25 02:23:29
138.68.16.40 attack
DATE:2020-04-24 19:34:45, IP:138.68.16.40, PORT:ssh SSH brute force auth (docker-dc)
2020-04-25 02:25:43
115.77.186.182 attackspambots
Honeypot attack, port: 81, PTR: adsl.viettel.vn.
2020-04-25 02:03:04
185.234.219.82 attackspam
2020-04-24 14:10:57 SMTP protocol error in "AUTH LOGIN" H=(crtd-agrcolec.online) [185.234.219.82] AUTH command used when not advertised
2020-04-24 14:25:56 SMTP protocol error in "AUTH LOGIN" H=(crtd-agrcolec.online) [185.234.219.82] AUTH command used when not advertised
2020-04-24 14:38:11 SMTP protocol error in "AUTH LOGIN" H=(crtd-agrcolec.online) [185.234.219.82] AUTH command used when not advertised
2020-04-24 14:50:34 SMTP protocol error in "AUTH LOGIN" H=(crtd-agrcolec.online) [185.234.219.82] AUTH command used when not advertised
2020-04-24 15:02:56 SMTP protocol error in "AUTH LOGIN" H=(crtd-agrcolec.online) [185.234.219.82] AUTH command used when not advertised
...
2020-04-25 02:01:01
49.234.81.49 attackspambots
Apr 24 15:25:13 Ubuntu-1404-trusty-64-minimal sshd\[23024\]: Invalid user alfresco from 49.234.81.49
Apr 24 15:25:13 Ubuntu-1404-trusty-64-minimal sshd\[23024\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.81.49
Apr 24 15:25:15 Ubuntu-1404-trusty-64-minimal sshd\[23024\]: Failed password for invalid user alfresco from 49.234.81.49 port 35898 ssh2
Apr 24 15:37:42 Ubuntu-1404-trusty-64-minimal sshd\[1765\]: Invalid user ansible from 49.234.81.49
Apr 24 15:37:42 Ubuntu-1404-trusty-64-minimal sshd\[1765\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.81.49
2020-04-25 02:27:44
119.155.2.67 attack
DATE:2020-04-24 14:02:49, IP:119.155.2.67, PORT:1433 MSSQL brute force auth on honeypot server (epe-honey1-hq)
2020-04-25 02:09:39
115.165.166.193 attackbots
(sshd) Failed SSH login from 115.165.166.193 (VN/Vietnam/-): 5 in the last 3600 secs
2020-04-25 01:50:28
198.108.67.79 attackspam
Honeypot attack, port: 5555, PTR: worker-dev-01.sfj.corp.censys.io.
2020-04-25 02:16:54
94.41.10.126 attackspambots
Unauthorized connection attempt detected from IP address 94.41.10.126 to port 9530 [T]
2020-04-25 01:54:12
95.110.154.101 attackspambots
DATE:2020-04-24 14:26:44, IP:95.110.154.101, PORT:ssh SSH brute force auth (docker-dc)
2020-04-25 02:18:40
35.245.138.118 attackbotsspam
Apr 24 16:40:17 amit sshd\[27652\]: Invalid user smkim from 35.245.138.118
Apr 24 16:40:17 amit sshd\[27652\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.245.138.118
Apr 24 16:40:19 amit sshd\[27652\]: Failed password for invalid user smkim from 35.245.138.118 port 57098 ssh2
...
2020-04-25 02:00:16
119.155.63.76 attackbotsspam
DATE:2020-04-24 14:02:25, IP:119.155.63.76, PORT:1433 MSSQL brute force auth on honeypot server (epe-honey1-hq)
2020-04-25 02:31:15
115.75.10.66 attackbots
Unauthorised access (Apr 24) SRC=115.75.10.66 LEN=52 TTL=111 ID=22345 DF TCP DPT=445 WINDOW=8192 SYN
2020-04-25 02:10:23

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