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: South Korea

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 <<>> 1.99.21.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55145
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;1.99.21.6.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025091401 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Sep 15 12:24:56 CST 2025
;; MSG SIZE  rcvd: 102
Host info
Host 6.21.99.1.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 6.21.99.1.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
221.195.234.108 attackbots
2019-08-22T12:01:35.750210abusebot.cloudsearch.cf sshd\[15664\]: Invalid user ceph from 221.195.234.108 port 52624
2019-08-22 20:28:55
106.87.50.80 attackbotsspam
Splunk® : Brute-Force login attempt on SSH:
Aug 22 04:43:36 testbed sshd[7182]: Failed password for invalid user admin from 106.87.50.80 port 38735 ssh2
2019-08-22 20:38:13
106.12.33.50 attack
Aug 22 15:09:41 yabzik sshd[31981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.33.50
Aug 22 15:09:43 yabzik sshd[31981]: Failed password for invalid user mf from 106.12.33.50 port 34166 ssh2
Aug 22 15:14:58 yabzik sshd[1291]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.33.50
2019-08-22 20:22:17
91.121.205.83 attack
Aug 22 12:05:13 work-partkepr sshd\[18629\]: Invalid user chen from 91.121.205.83 port 52980
Aug 22 12:05:13 work-partkepr sshd\[18629\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.205.83
...
2019-08-22 21:30:19
59.92.99.44 attackspambots
Unauthorised access (Aug 22) SRC=59.92.99.44 LEN=52 PREC=0x20 TTL=111 ID=28527 DF TCP DPT=445 WINDOW=8192 SYN
2019-08-22 20:57:37
36.110.118.130 attackspam
Aug 22 02:25:34 sachi sshd\[20313\]: Invalid user admin from 36.110.118.130
Aug 22 02:25:34 sachi sshd\[20313\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.110.118.130
Aug 22 02:25:36 sachi sshd\[20313\]: Failed password for invalid user admin from 36.110.118.130 port 49810 ssh2
Aug 22 02:30:43 sachi sshd\[20764\]: Invalid user rafal from 36.110.118.130
Aug 22 02:30:43 sachi sshd\[20764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=36.110.118.130
2019-08-22 20:43:33
193.32.160.144 attackspambots
Aug 22 12:17:18 smtp postfix/smtpd[42284]: NOQUEUE: reject: RCPT from unknown[193.32.160.144]: 554 5.7.1 Service unavailable; Client host [193.32.160.144] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[193.32.160.135]>
Aug 22 12:17:18 smtp postfix/smtpd[42284]: NOQUEUE: reject: RCPT from unknown[193.32.160.144]: 554 5.7.1 Service unavailable; Client host [193.32.160.144] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[193.32.160.135]>
Aug 22 12:17:18 smtp postfix/smtpd[42284]: NOQUEUE: reject: RCPT from unknown[193.32.160.144]: 554 5.7.1 Service unavailable; Client host [193.32.160.144] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[193.32.160.135]>
Aug 22 12:17:18 smtp postfix/smtpd[42
2019-08-22 20:20:37
182.52.16.157 attackbotsspam
" "
2019-08-22 21:09:44
159.65.159.1 attackspambots
Aug 22 06:53:19 server1 sshd\[23140\]: Invalid user testing from 159.65.159.1
Aug 22 06:53:19 server1 sshd\[23140\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.159.1 
Aug 22 06:53:21 server1 sshd\[23140\]: Failed password for invalid user testing from 159.65.159.1 port 55844 ssh2
Aug 22 06:54:20 server1 sshd\[29872\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.159.1  user=root
Aug 22 06:54:22 server1 sshd\[29872\]: Failed password for root from 159.65.159.1 port 45114 ssh2
...
2019-08-22 21:24:47
45.55.15.134 attack
Aug 22 12:44:38 dev0-dcfr-rnet sshd[28975]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.15.134
Aug 22 12:44:40 dev0-dcfr-rnet sshd[28975]: Failed password for invalid user serveur from 45.55.15.134 port 37133 ssh2
Aug 22 12:50:46 dev0-dcfr-rnet sshd[29002]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.15.134
2019-08-22 20:31:41
54.38.182.156 attackbotsspam
Aug 22 13:45:02 debian sshd\[3637\]: Invalid user timemachine from 54.38.182.156 port 37924
Aug 22 13:45:02 debian sshd\[3637\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.182.156
...
2019-08-22 21:03:43
117.223.189.83 attackspam
Aug 22 13:50:22 ubuntu-2gb-nbg1-dc3-1 sshd[15411]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.223.189.83
Aug 22 13:50:23 ubuntu-2gb-nbg1-dc3-1 sshd[15411]: Failed password for invalid user nag10s from 117.223.189.83 port 43112 ssh2
...
2019-08-22 20:28:36
185.208.211.86 attackspam
[English version follows below]

Buna ziua,

Aceasta este o alerta de securitate cibernetica.

Conform informatiilor detinute de WHITEHAT-RO, anumite adrese IP si/sau domenii web
detinute, utilizate sau administrate de dvs. (sau organizatia dvs.), au fost
identificate ca fiind asociate unor sisteme/servicii informatice vulnerabile,
compromise sau implicate in diferite tipuri de atacuri cibernetice.

Cu stima,

Echipa WhiteHat

---------- English ----------

Dear Sir/Madam,

This is a cyber security alert.

WHITEHAT-RO has become aware of one or more IP addresses and/or web domains owned, used, or administered by you (or your organisation), that were identified as beeing associated with information systems/services that are vulnerable, compromised or used in different cyber attacks.

Kind regards,

WhiteHat Team
2019-08-22 21:05:17
138.68.86.55 attackbotsspam
Aug 22 13:19:14 vps691689 sshd[20147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.86.55
Aug 22 13:19:16 vps691689 sshd[20147]: Failed password for invalid user user6 from 138.68.86.55 port 59348 ssh2
Aug 22 13:23:14 vps691689 sshd[20267]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.86.55
...
2019-08-22 20:37:44
104.211.113.93 attackbots
2019-08-22T12:20:23.415323abusebot-3.cloudsearch.cf sshd\[23303\]: Invalid user lionel from 104.211.113.93 port 9510
2019-08-22 20:30:12

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