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: Cambridge

Region: Massachusetts

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 <<>> 18.3.138.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59980
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			282	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020082001 1800 900 604800 86400

;; Query time: 72 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Aug 21 08:32:18 CST 2020
;; MSG SIZE  rcvd: 115
Host info
Host 21.138.3.18.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.138.3.18.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
219.137.226.52 attackbots
Jul  4 15:30:28 atlassian sshd[20739]: Invalid user 123456 from 219.137.226.52 port 11019
2019-07-05 02:54:23
196.216.53.134 attackbots
langenachtfulda.de 196.216.53.134 \[04/Jul/2019:15:10:00 +0200\] "POST /wp-login.php HTTP/1.1" 200 6029 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
langenachtfulda.de 196.216.53.134 \[04/Jul/2019:15:10:04 +0200\] "POST /wp-login.php HTTP/1.1" 200 6035 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-07-05 02:09:27
35.187.86.35 attackbots
Fail2Ban Ban Triggered
2019-07-05 02:23:10
86.98.56.236 attack
DATE:2019-07-04 18:24:59, IP:86.98.56.236, PORT:ssh SSH brute force auth (ermes)
2019-07-05 02:32:29
222.122.202.35 attackbots
SSH Brute Force
2019-07-05 02:27:02
186.113.142.0 attack
2019-07-04 14:51:54 unexpected disconnection while reading SMTP command from ([186.113.142.0]) [186.113.142.0]:53100 I=[10.100.18.23]:25 (error: Connection reset by peer)
2019-07-04 14:52:52 unexpected disconnection while reading SMTP command from ([186.113.142.0]) [186.113.142.0]:51222 I=[10.100.18.23]:25 (error: Connection reset by peer)
2019-07-04 14:53:10 unexpected disconnection while reading SMTP command from ([186.113.142.0]) [186.113.142.0]:23333 I=[10.100.18.23]:25 (error: Connection reset by peer)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=186.113.142.0
2019-07-05 02:29:53
114.218.70.34 attack
SASL broute force
2019-07-05 02:51:22
175.125.51.138 attackspambots
[03/Jul/2019:17:17:32 -0400] - [03/Jul/2019:17:18:07 -0400] php probe script
2019-07-05 02:08:16
51.75.207.61 attack
Jul  4 13:08:47 MK-Soft-VM4 sshd\[3408\]: Invalid user myuser1 from 51.75.207.61 port 46934
Jul  4 13:08:47 MK-Soft-VM4 sshd\[3408\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.207.61
Jul  4 13:08:48 MK-Soft-VM4 sshd\[3408\]: Failed password for invalid user myuser1 from 51.75.207.61 port 46934 ssh2
...
2019-07-05 02:48:09
201.214.218.43 attackspam
[03/Jul/2019:22:06:24 -0400] "GET / HTTP/1.1" Chrome 52.0 UA
2019-07-05 02:54:45
31.208.27.160 attack
Jul  4 15:01:57 klukluk sshd\[23750\]: Invalid user admin from 31.208.27.160
Jul  4 15:05:23 klukluk sshd\[26247\]: Invalid user ubuntu from 31.208.27.160
Jul  4 15:08:49 klukluk sshd\[28348\]: Invalid user pi from 31.208.27.160
...
2019-07-05 02:46:38
81.22.45.190 attackspambots
Jul  4 17:10:21   TCP Attack: SRC=81.22.45.190 DST=[Masked] LEN=40 TOS=0x08 PREC=0x20 TTL=241  PROTO=TCP SPT=41761 DPT=15824 WINDOW=1024 RES=0x00 SYN URGP=0
2019-07-05 02:45:12
117.64.82.139 attackbotsspam
Jul  4 09:09:05 ast sshd[19095]: Invalid user admin from 117.64.82.139 port 37415
Jul  4 09:09:08 ast sshd[19095]: error: maximum authentication attempts exceeded for invalid user admin from 117.64.82.139 port 37415 ssh2 [preauth]
Jul  4 09:09:05 ast sshd[19095]: Invalid user admin from 117.64.82.139 port 37415
Jul  4 09:09:08 ast sshd[19095]: error: maximum authentication attempts exceeded for invalid user admin from 117.64.82.139 port 37415 ssh2 [preauth]
Jul  4 09:09:17 ast sshd[19097]: error: maximum authentication attempts exceeded for root from 117.64.82.139 port 37413 ssh2 [preauth]
...
2019-07-05 02:31:06
148.70.226.162 attack
$f2bV_matches
2019-07-05 02:49:53
39.48.47.150 attackbots
2019-07-04 14:59:18 unexpected disconnection while reading SMTP command from ([39.48.47.150]) [39.48.47.150]:47110 I=[10.100.18.21]:25 (error: Connection reset by peer)
2019-07-04 15:00:33 unexpected disconnection while reading SMTP command from ([39.48.47.150]) [39.48.47.150]:25223 I=[10.100.18.21]:25 (error: Connection reset by peer)
2019-07-04 15:02:16 unexpected disconnection while reading SMTP command from ([39.48.47.150]) [39.48.47.150]:16032 I=[10.100.18.21]:25 (error: Connection reset by peer)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=39.48.47.150
2019-07-05 02:08:44

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