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 <<>> 104.21.40.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20497
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.138.			IN	A

;; AUTHORITY SECTION:
.			423	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 43 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 10:13:44 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.74.4.17 attackbotsspam
Aug 11 23:45:10 IngegnereFirenze sshd[18355]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.74.4.17  user=root
...
2020-08-12 08:52:05
35.229.141.62 attackbotsspam
Aug 12 01:43:26 santamaria sshd\[1699\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.229.141.62  user=root
Aug 12 01:43:27 santamaria sshd\[1699\]: Failed password for root from 35.229.141.62 port 52199 ssh2
Aug 12 01:50:34 santamaria sshd\[1785\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.229.141.62  user=root
...
2020-08-12 08:27:25
122.51.195.237 attack
$f2bV_matches
2020-08-12 08:26:44
1.53.237.133 attack
Port probing on unauthorized port 81
2020-08-12 08:34:35
152.32.165.99 attack
Aug 11 23:53:45 *hidden* sshd[18004]: Failed password for *hidden* from 152.32.165.99 port 55388 ssh2 Aug 11 23:58:08 *hidden* sshd[18101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.32.165.99 user=root Aug 11 23:58:10 *hidden* sshd[18101]: Failed password for *hidden* from 152.32.165.99 port 38670 ssh2
2020-08-12 08:17:23
106.12.29.123 attackspam
$f2bV_matches
2020-08-12 08:50:43
91.195.137.176 attackspambots
445/tcp 445/tcp
[2020-08-11]2pkt
2020-08-12 08:33:56
205.209.166.125 attack
1433/tcp
[2020-08-11]1pkt
2020-08-12 08:41:48
113.161.167.15 attack
445/tcp
[2020-08-11]1pkt
2020-08-12 08:20:34
58.221.204.114 attack
Aug 12 03:04:52 pkdns2 sshd\[11932\]: Invalid user server123! from 58.221.204.114Aug 12 03:04:54 pkdns2 sshd\[11932\]: Failed password for invalid user server123! from 58.221.204.114 port 38880 ssh2Aug 12 03:08:59 pkdns2 sshd\[12152\]: Invalid user 1qa@ws from 58.221.204.114Aug 12 03:09:00 pkdns2 sshd\[12152\]: Failed password for invalid user 1qa@ws from 58.221.204.114 port 43260 ssh2Aug 12 03:13:04 pkdns2 sshd\[12374\]: Invalid user 23wesdxc from 58.221.204.114Aug 12 03:13:06 pkdns2 sshd\[12374\]: Failed password for invalid user 23wesdxc from 58.221.204.114 port 47654 ssh2
...
2020-08-12 08:21:06
150.136.8.207 attackbots
Aug 12 01:14:03 prox sshd[29921]: Failed password for root from 150.136.8.207 port 59926 ssh2
2020-08-12 08:37:57
181.59.252.136 attackspam
*Port Scan* detected from 181.59.252.136 (CO/Colombia/Bogota D.C./Bogotá (Chapinero)/static-ip-18159252136.cable.net.co). 4 hits in the last 170 seconds
2020-08-12 08:38:44
190.214.72.42 attackspam
445/tcp
[2020-08-11]1pkt
2020-08-12 08:14:28
62.1.209.71 attackbots
23/tcp
[2020-08-11]1pkt
2020-08-12 08:44:48
191.232.177.167 attackspam
SmallBizIT.US 2 packets to tcp(23)
2020-08-12 08:37:38

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