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 <<>> 104.21.31.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35420
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.31.55.			IN	A

;; AUTHORITY SECTION:
.			508	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:36:30 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 55.31.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.31.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
150.129.8.26 attack
Jun 30 13:19:29 mellenthin sshd[19728]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.129.8.26  user=root
Jun 30 13:19:31 mellenthin sshd[19728]: Failed password for invalid user root from 150.129.8.26 port 60682 ssh2
2020-06-30 19:29:18
192.99.168.9 attackspambots
Jun 30 13:45:54 plex sshd[30899]: Invalid user rac from 192.99.168.9 port 42368
Jun 30 13:45:56 plex sshd[30899]: Failed password for invalid user rac from 192.99.168.9 port 42368 ssh2
Jun 30 13:45:54 plex sshd[30899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.99.168.9
Jun 30 13:45:54 plex sshd[30899]: Invalid user rac from 192.99.168.9 port 42368
Jun 30 13:45:56 plex sshd[30899]: Failed password for invalid user rac from 192.99.168.9 port 42368 ssh2
2020-06-30 19:50:34
212.251.48.146 attackbots
Jun 30 10:42:30 web8 sshd\[22621\]: Invalid user pi from 212.251.48.146
Jun 30 10:42:30 web8 sshd\[22622\]: Invalid user pi from 212.251.48.146
Jun 30 10:42:31 web8 sshd\[22621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.251.48.146
Jun 30 10:42:31 web8 sshd\[22622\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.251.48.146
Jun 30 10:42:33 web8 sshd\[22621\]: Failed password for invalid user pi from 212.251.48.146 port 38298 ssh2
2020-06-30 19:37:17
45.182.51.244 attack
unauthorized connection attempt
2020-06-30 19:06:26
106.54.251.179 attackspambots
2020-06-30T13:06:12+0200 Failed SSH Authentication/Brute Force Attack. (Server 10)
2020-06-30 19:19:33
5.188.210.245 attackspam
Port scan: Attack repeated for 24 hours
2020-06-30 19:13:26
95.165.170.42 attackspambots
Jun 30 07:21:10 abendstille sshd\[29277\]: Invalid user gnuworld from 95.165.170.42
Jun 30 07:21:10 abendstille sshd\[29277\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.165.170.42
Jun 30 07:21:12 abendstille sshd\[29277\]: Failed password for invalid user gnuworld from 95.165.170.42 port 39652 ssh2
Jun 30 07:22:23 abendstille sshd\[30557\]: Invalid user xcy from 95.165.170.42
Jun 30 07:22:23 abendstille sshd\[30557\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=95.165.170.42
...
2020-06-30 19:27:25
180.250.115.121 attackspambots
Jun 30 12:49:00 rotator sshd\[27624\]: Invalid user glassfish from 180.250.115.121Jun 30 12:49:02 rotator sshd\[27624\]: Failed password for invalid user glassfish from 180.250.115.121 port 33690 ssh2Jun 30 12:52:49 rotator sshd\[28406\]: Invalid user student from 180.250.115.121Jun 30 12:52:51 rotator sshd\[28406\]: Failed password for invalid user student from 180.250.115.121 port 51102 ssh2Jun 30 12:56:42 rotator sshd\[29183\]: Invalid user bb from 180.250.115.121Jun 30 12:56:44 rotator sshd\[29183\]: Failed password for invalid user bb from 180.250.115.121 port 40285 ssh2
...
2020-06-30 19:42:59
190.1.28.180 attack
port 23
2020-06-30 19:48:13
13.71.119.38 attackspam
20 attempts against mh-ssh on sea
2020-06-30 19:05:59
95.181.54.246 attackbotsspam
Port probing on unauthorized port 445
2020-06-30 19:12:32
113.161.4.29 attackbotsspam
Honeypot hit.
2020-06-30 19:23:46
110.139.71.226 attackbots
Jun 30 05:48:40 sd-69548 sshd[3144254]: Invalid user user1 from 110.139.71.226 port 52652
Jun 30 05:48:40 sd-69548 sshd[3144254]: Connection closed by invalid user user1 110.139.71.226 port 52652 [preauth]
...
2020-06-30 19:29:52
51.178.55.92 attackbotsspam
SSH Bruteforce attack
2020-06-30 19:20:54
45.234.216.43 attackspam
unauthorized connection attempt
2020-06-30 19:24:20

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