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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.55.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11075
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.55.158.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:13:21 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 158.55.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.55.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
66.150.70.243 attackspambots
6,63-07/07 [bc04/m181] PostRequest-Spammer scoring: Dodoma
2020-03-10 04:02:49
45.55.177.170 attack
suspicious action Mon, 09 Mar 2020 10:36:31 -0300
2020-03-10 03:33:42
124.225.153.17 attack
Automatic report - Port Scan
2020-03-10 03:39:30
163.172.191.141 attack
$f2bV_matches
2020-03-10 03:57:10
180.100.213.63 attackspam
$f2bV_matches
2020-03-10 04:05:25
59.49.13.45 attack
Mar  9 11:44:18 mockhub sshd[15907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=59.49.13.45
Mar  9 11:44:21 mockhub sshd[15907]: Failed password for invalid user admin from 59.49.13.45 port 43031 ssh2
...
2020-03-10 03:26:23
61.74.111.129 attack
Mar  9 03:12:06 admin sshd[10908]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.74.111.129  user=r.r
Mar  9 03:12:08 admin sshd[10908]: Failed password for r.r from 61.74.111.129 port 44728 ssh2
Mar  9 03:12:09 admin sshd[10908]: Received disconnect from 61.74.111.129 port 44728:11: Bye Bye [preauth]
Mar  9 03:12:09 admin sshd[10908]: Disconnected from 61.74.111.129 port 44728 [preauth]
Mar  9 03:19:54 admin sshd[11117]: Invalid user air from 61.74.111.129 port 43898
Mar  9 03:19:54 admin sshd[11117]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.74.111.129
Mar  9 03:19:56 admin sshd[11117]: Failed password for invalid user air from 61.74.111.129 port 43898 ssh2
Mar  9 03:19:56 admin sshd[11117]: Received disconnect from 61.74.111.129 port 43898:11: Bye Bye [preauth]
Mar  9 03:19:56 admin sshd[11117]: Disconnected from 61.74.111.129 port 43898 [preauth]


........
-----------------------------------------------
https://
2020-03-10 03:41:07
111.229.142.118 attackspam
Lines containing failures of 111.229.142.118
Mar  2 19:51:10 shared11 sshd[23944]: Invalid user condor from 111.229.142.118 port 54402
Mar  2 19:51:10 shared11 sshd[23944]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.142.118
Mar  2 19:51:11 shared11 sshd[23944]: Failed password for invalid user condor from 111.229.142.118 port 54402 ssh2
Mar  2 19:51:12 shared11 sshd[23944]: Received disconnect from 111.229.142.118 port 54402:11: Bye Bye [preauth]
Mar  2 19:51:12 shared11 sshd[23944]: Disconnected from invalid user condor 111.229.142.118 port 54402 [preauth]
Mar  9 03:18:34 shared11 sshd[8553]: Invalid user zjnsh from 111.229.142.118 port 58456
Mar  9 03:18:34 shared11 sshd[8553]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.142.118
Mar  9 03:18:36 shared11 sshd[8553]: Failed password for invalid user zjnsh from 111.229.142.118 port 58456 ssh2
Mar  9 03:18:36 shared11 s........
------------------------------
2020-03-10 03:44:12
38.121.43.109 attack
20 attempts against mh-misbehave-ban on sun
2020-03-10 03:58:55
181.174.16.149 attackbotsspam
DATE:2020-03-09 13:23:11, IP:181.174.16.149, PORT:telnet - Telnet brute force auth on a honeypot server (epe-dc)
2020-03-10 04:04:58
222.186.175.23 attack
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
Failed password for root from 222.186.175.23 port 19239 ssh2
Failed password for root from 222.186.175.23 port 19239 ssh2
Failed password for root from 222.186.175.23 port 19239 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.23  user=root
2020-03-10 03:47:25
132.232.21.72 attack
SSH authentication failure x 6 reported by Fail2Ban
...
2020-03-10 04:04:29
123.150.47.142 attackbots
ET SCAN Suspicious inbound to MSSQL port 1433 - port: 1433 proto: TCP cat: Potentially Bad Traffic
2020-03-10 04:01:35
200.126.204.86 attackbots
Email rejected due to spam filtering
2020-03-10 03:36:09
51.77.156.223 attackspambots
Mar  9 20:04:05 ArkNodeAT sshd\[8179\]: Invalid user omn from 51.77.156.223
Mar  9 20:04:05 ArkNodeAT sshd\[8179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.156.223
Mar  9 20:04:08 ArkNodeAT sshd\[8179\]: Failed password for invalid user omn from 51.77.156.223 port 44298 ssh2
2020-03-10 03:58:16

Recently Reported IPs

104.21.55.168 104.21.55.146 104.21.55.194 104.21.55.198
104.21.55.18 13.225.71.37 104.21.55.2 104.21.55.200
104.21.55.210 104.21.55.215 104.21.55.214 104.21.55.225
104.21.55.224 104.21.55.230 104.21.55.237 104.21.55.234
104.21.55.242 104.21.55.248 104.21.55.252 104.21.55.59