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 <<>> 104.21.42.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2940
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.138.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:29:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Jul 13 18:56:40 vpn01 sshd[31031]: Failed password for invalid user ernst from 186.10.125.209 port 22436 ssh2
...
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2020-07-14 01:21:42
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2020-07-14 01:44:28
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2020-07-14 01:31:03
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192.241.235.25 attackspam
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2020-07-14 01:49:41
164.52.24.170 attackbots
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2020-07-14 01:47:14
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2020-07-14 01:38:07
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2020-07-14 01:11:58
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Port scan denied
2020-07-14 01:40:10

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