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 (the)

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 <<>> 161.21.138.16
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63133
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;161.21.138.16.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022001 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 21 04:39:58 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 16.138.21.161.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 16.138.21.161.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
52.100.173.219 attackbots
spf=fail (google.com: domain of krxile2bslot@eikoncg.com does not designate 52.100.173.219 as permitted sender) smtp.mailfrom=krXIle2BSLoT@eikoncg.com;
2020-09-21 13:09:47
148.70.149.39 attack
fail2ban detected brute force on sshd
2020-09-21 12:55:48
177.23.184.99 attackbots
Failed password for invalid user brenda from 177.23.184.99 port 36354 ssh2
2020-09-21 12:54:45
62.234.115.152 attack
Sep 21 05:55:32 itv-usvr-01 sshd[18584]: Invalid user nagios from 62.234.115.152
Sep 21 05:55:32 itv-usvr-01 sshd[18584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.115.152
Sep 21 05:55:32 itv-usvr-01 sshd[18584]: Invalid user nagios from 62.234.115.152
Sep 21 05:55:34 itv-usvr-01 sshd[18584]: Failed password for invalid user nagios from 62.234.115.152 port 49990 ssh2
Sep 21 06:00:31 itv-usvr-01 sshd[18809]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.115.152  user=root
Sep 21 06:00:32 itv-usvr-01 sshd[18809]: Failed password for root from 62.234.115.152 port 47138 ssh2
2020-09-21 12:45:13
51.38.186.180 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-09-21T03:35:27Z and 2020-09-21T03:43:30Z
2020-09-21 12:50:36
81.25.72.56 attackbotsspam
2020-09-20T17:03:05Z - RDP login failed multiple times. (81.25.72.56)
2020-09-21 13:06:34
178.32.50.239 attack
2020-09-20 11:52:40.611339-0500  localhost smtpd[52080]: NOQUEUE: reject: RCPT from unknown[178.32.50.239]: 450 4.7.25 Client host rejected: cannot find your hostname, [178.32.50.239]; from= to= proto=ESMTP helo=
2020-09-21 13:02:43
69.127.24.52 attackspambots
(sshd) Failed SSH login from 69.127.24.52 (US/United States/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 20 13:03:14 iqdig9 sshd[22968]: Invalid user admin from 69.127.24.52
Sep 20 13:03:14 iqdig9 sshd[22970]: Invalid user admin from 69.127.24.52
Sep 20 13:03:15 iqdig9 sshd[22972]: Invalid user admin from 69.127.24.52
Sep 20 13:03:15 iqdig9 sshd[22974]: Invalid user admin from 69.127.24.52
Sep 20 13:03:16 iqdig9 sshd[22976]: Invalid user admin from 69.127.24.52
2020-09-21 12:52:41
79.37.243.21 attack
Sep 20 18:50:21 pl1server sshd[24283]: Invalid user pi from 79.37.243.21 port 44278
Sep 20 18:50:21 pl1server sshd[24282]: Invalid user pi from 79.37.243.21 port 44276
Sep 20 18:50:21 pl1server sshd[24283]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.37.243.21
Sep 20 18:50:21 pl1server sshd[24282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.37.243.21
Sep 20 18:50:23 pl1server sshd[24283]: Failed password for invalid user pi from 79.37.243.21 port 44278 ssh2
Sep 20 18:50:23 pl1server sshd[24282]: Failed password for invalid user pi from 79.37.243.21 port 44276 ssh2
Sep 20 18:50:23 pl1server sshd[24283]: Connection closed by 79.37.243.21 port 44278 [preauth]
Sep 20 18:50:23 pl1server sshd[24282]: Connection closed by 79.37.243.21 port 44276 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=79.37.243.21
2020-09-21 12:56:06
222.186.175.151 attackbots
$f2bV_matches
2020-09-21 12:53:42
51.91.110.170 attackspam
Sep 20 18:23:36 web1 sshd\[28874\]: Invalid user webadmin from 51.91.110.170
Sep 20 18:23:36 web1 sshd\[28874\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.110.170
Sep 20 18:23:38 web1 sshd\[28874\]: Failed password for invalid user webadmin from 51.91.110.170 port 56198 ssh2
Sep 20 18:28:10 web1 sshd\[29257\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.110.170  user=root
Sep 20 18:28:11 web1 sshd\[29257\]: Failed password for root from 51.91.110.170 port 38634 ssh2
2020-09-21 12:44:07
116.73.67.45 attackspam
Listed on    dnsbl-sorbs plus abuseat.org and barracudaCentral   / proto=6  .  srcport=21447  .  dstport=2323  .     (2338)
2020-09-21 13:11:28
51.68.198.75 attackspambots
20 attempts against mh-ssh on echoip
2020-09-21 12:39:47
106.53.207.227 attackspambots
detected by Fail2Ban
2020-09-21 12:38:12
103.110.160.46 attackspam
2020-09-20 12:00:32.628647-0500  localhost smtpd[52512]: NOQUEUE: reject: RCPT from unknown[103.110.160.46]: 554 5.7.1 Service unavailable; Client host [103.110.160.46] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/103.110.160.46; from= to= proto=ESMTP helo=<[103.110.160.46]>
2020-09-21 12:58:51

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