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 <<>> 21.100.201.99
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 61189
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			2481	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019081701 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun Aug 18 13:30:56 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 99.201.100.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 99.201.100.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.50.192.102 attackbots
Dec 19 15:31:58 pi sshd\[24443\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.50.192.102  user=root
Dec 19 15:32:01 pi sshd\[24443\]: Failed password for root from 112.50.192.102 port 35651 ssh2
Dec 19 15:38:46 pi sshd\[24776\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.50.192.102  user=root
Dec 19 15:38:48 pi sshd\[24776\]: Failed password for root from 112.50.192.102 port 32970 ssh2
Dec 19 15:45:42 pi sshd\[25243\]: Invalid user rnashcroft from 112.50.192.102 port 58523
...
2019-12-19 23:47:47
92.222.92.64 attackbotsspam
Dec 19 15:54:38 loxhost sshd\[11733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.92.64  user=root
Dec 19 15:54:39 loxhost sshd\[11733\]: Failed password for root from 92.222.92.64 port 42022 ssh2
Dec 19 15:59:52 loxhost sshd\[11927\]: Invalid user luhcs from 92.222.92.64 port 48058
Dec 19 15:59:52 loxhost sshd\[11927\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.222.92.64
Dec 19 15:59:54 loxhost sshd\[11927\]: Failed password for invalid user luhcs from 92.222.92.64 port 48058 ssh2
...
2019-12-19 23:23:16
164.52.0.142 attackspambots
Unauthorized connection attempt detected from IP address 164.52.0.142 to port 445
2019-12-19 23:37:49
5.135.177.168 attackbots
Dec 19 04:51:59 auw2 sshd\[19455\]: Invalid user ersatz from 5.135.177.168
Dec 19 04:51:59 auw2 sshd\[19455\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns332895.ip-5-135-177.eu
Dec 19 04:52:01 auw2 sshd\[19455\]: Failed password for invalid user ersatz from 5.135.177.168 port 41506 ssh2
Dec 19 04:59:01 auw2 sshd\[20115\]: Invalid user mikalsen from 5.135.177.168
Dec 19 04:59:01 auw2 sshd\[20115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns332895.ip-5-135-177.eu
2019-12-19 23:55:49
218.92.0.157 attackbots
Dec 19 16:22:37 amit sshd\[23753\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.157  user=root
Dec 19 16:22:39 amit sshd\[23753\]: Failed password for root from 218.92.0.157 port 8051 ssh2
Dec 19 16:23:06 amit sshd\[23766\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.157  user=root
...
2019-12-19 23:30:30
106.13.113.204 attackbotsspam
Dec 19 16:16:46 MK-Soft-VM7 sshd[24606]: Failed password for root from 106.13.113.204 port 50088 ssh2
...
2019-12-19 23:28:56
125.214.58.214 attack
familiengesundheitszentrum-fulda.de 125.214.58.214 [19/Dec/2019:15:53:15 +0100] "POST /wp-login.php HTTP/1.1" 200 6330 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
familiengesundheitszentrum-fulda.de 125.214.58.214 [19/Dec/2019:15:53:20 +0100] "POST /wp-login.php HTTP/1.1" 200 6288 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-12-19 23:42:38
27.50.24.83 attackbotsspam
Dec 19 16:20:23 xeon sshd[29394]: Failed password for root from 27.50.24.83 port 55316 ssh2
2019-12-19 23:51:07
177.2.34.206 attackspam
Brute force SMTP login attempts.
2019-12-19 23:52:05
185.176.27.34 attackbots
Dec 19 15:38:18 debian-2gb-nbg1-2 kernel: \[419066.279260\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.176.27.34 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=4231 PROTO=TCP SPT=50496 DPT=9684 WINDOW=1024 RES=0x00 SYN URGP=0
2019-12-20 00:02:20
162.243.98.66 attackspam
Repeated brute force against a port
2019-12-19 23:58:26
74.141.132.233 attack
Dec 19 15:08:02 hcbbdb sshd\[14104\]: Invalid user aletha from 74.141.132.233
Dec 19 15:08:02 hcbbdb sshd\[14104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=cpe-74-141-132-233.kya.res.rr.com
Dec 19 15:08:03 hcbbdb sshd\[14104\]: Failed password for invalid user aletha from 74.141.132.233 port 35502 ssh2
Dec 19 15:13:54 hcbbdb sshd\[14709\]: Invalid user wwwww from 74.141.132.233
Dec 19 15:13:54 hcbbdb sshd\[14709\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=cpe-74-141-132-233.kya.res.rr.com
2019-12-19 23:32:30
45.235.205.123 attack
Unauthorized connection attempt detected from IP address 45.235.205.123 to port 445
2019-12-19 23:48:19
27.4.147.58 attack
Dec 19 15:38:19 grey postfix/smtpd\[5136\]: NOQUEUE: reject: RCPT from unknown\[27.4.147.58\]: 554 5.7.1 Service unavailable\; Client host \[27.4.147.58\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[27.4.147.58\]\; from=\ to=\ proto=ESMTP helo=\<\[27.4.147.58\]\>
...
2019-12-20 00:01:46
177.8.244.38 attack
2019-12-19T15:03:33.723005shield sshd\[6874\]: Invalid user server from 177.8.244.38 port 58717
2019-12-19T15:03:33.727221shield sshd\[6874\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.8.244.38
2019-12-19T15:03:35.404940shield sshd\[6874\]: Failed password for invalid user server from 177.8.244.38 port 58717 ssh2
2019-12-19T15:10:13.087688shield sshd\[9808\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.8.244.38  user=root
2019-12-19T15:10:15.011300shield sshd\[9808\]: Failed password for root from 177.8.244.38 port 33982 ssh2
2019-12-19 23:24:36

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