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 of America

Internet Service Provider: Oracle Public Cloud

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbotsspam
Mar 31 05:50:50 srv-ubuntu-dev3 sshd[69708]: Invalid user shiyanlou from 140.238.242.102
Mar 31 05:50:50 srv-ubuntu-dev3 sshd[69708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.242.102
Mar 31 05:50:50 srv-ubuntu-dev3 sshd[69708]: Invalid user shiyanlou from 140.238.242.102
Mar 31 05:50:52 srv-ubuntu-dev3 sshd[69708]: Failed password for invalid user shiyanlou from 140.238.242.102 port 19898 ssh2
Mar 31 05:52:39 srv-ubuntu-dev3 sshd[70032]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.242.102  user=root
Mar 31 05:52:41 srv-ubuntu-dev3 sshd[70032]: Failed password for root from 140.238.242.102 port 47330 ssh2
Mar 31 05:54:22 srv-ubuntu-dev3 sshd[70277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.238.242.102  user=root
Mar 31 05:54:24 srv-ubuntu-dev3 sshd[70277]: Failed password for root from 140.238.242.102 port 18246 ssh2
Mar 31 05:56:0
...
2020-03-31 12:06:35
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 140.238.242.102
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47906
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;140.238.242.102.		IN	A

;; AUTHORITY SECTION:
.			520	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020033001 1800 900 604800 86400

;; Query time: 51 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Mar 31 12:06:30 CST 2020
;; MSG SIZE  rcvd: 119
Host info
Host 102.242.238.140.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 102.242.238.140.in-addr.arpa: NXDOMAIN
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