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 <<>> 204.102.21.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20277
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			419	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020030600 1800 900 604800 86400

;; Query time: 106 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 07 01:17:25 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 20.21.102.204.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.21.102.204.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
139.28.219.45 attackspam
2019-03-04 10:09:37 1h0jbM-0006rF-TA SMTP connection from grandiose.doapex.com \(grandiose.vibeupmagazine.icu\) \[139.28.219.45\]:48475 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-04 10:09:37 1h0jbN-0006rG-Do SMTP connection from grandiose.doapex.com \(grandiose.vibeupmagazine.icu\) \[139.28.219.45\]:47005 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-03-04 10:12:13 1h0jdt-0006wW-3N SMTP connection from grandiose.doapex.com \(grandiose.vibeupmagazine.icu\) \[139.28.219.45\]:38269 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:43:20
188.93.235.238 attackspam
Feb  4 17:32:44 lnxweb61 sshd[25920]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.93.235.238
2020-02-05 00:34:00
138.219.218.136 attack
2019-03-11 15:55:14 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:32756 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-03-11 15:55:25 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:32856 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-03-11 15:55:33 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:32938 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-04-09 21:18:49 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:10948 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-04-09 21:19:19 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:11152 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-04-09 21:19:41 H=\(\[138.219.218.136\]\) \[138.219.218.136\]:11310 I=\[193.107.88.166\]:25 F=\ r
...
2020-02-05 01:18:20
222.186.42.75 attackspambots
Unauthorized connection attempt detected from IP address 222.186.42.75 to port 22 [J]
2020-02-05 00:54:02
185.94.111.1 attack
04.02.2020 16:41:42 Connection to port 137 blocked by firewall
2020-02-05 01:00:22
112.1.64.254 attackspambots
Unauthorized connection attempt detected from IP address 112.1.64.254 to port 2220 [J]
2020-02-05 01:03:53
138.97.176.144 attackbotsspam
2019-07-06 07:41:13 1hjdRg-0005qV-0x SMTP connection from \(\[138.97.176.144\]\) \[138.97.176.144\]:19921 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-06 07:41:42 1hjdS8-0005rE-Er SMTP connection from \(\[138.97.176.144\]\) \[138.97.176.144\]:20040 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-06 07:42:03 1hjdSS-0005rh-Ia SMTP connection from \(\[138.97.176.144\]\) \[138.97.176.144\]:20123 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:11:11
222.186.30.167 attackbotsspam
Feb  4 17:39:56 * sshd[11253]: Failed password for root from 222.186.30.167 port 54590 ssh2
2020-02-05 00:46:46
139.28.219.62 attackspam
2019-03-01 22:07:23 1gzpNL-0002Dq-HN SMTP connection from \(infinite.ustriallawyer.host\) \[139.28.219.62\]:37065 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-01 22:07:23 1gzpNL-0002Dr-Ho SMTP connection from \(infinite.ustriallawyer.host\) \[139.28.219.62\]:51839 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-03-01 22:09:30 1gzpPO-0002IL-9p SMTP connection from \(infinite.ustriallawyer.host\) \[139.28.219.62\]:59200 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-03-02 08:46:50 H=infinite.doapex.com \(infinite.ustriallawyer.host\) \[139.28.219.62\]:49220 I=\[193.107.88.166\]:25 sender verify fail for \: Unrouteable address
2019-03-02 08:46:50 H=infinite.doapex.com \(infinite.ustriallawyer.host\) \[139.28.219.62\]:49220 I=\[193.107.88.166\]:25 F=\ rejected RCPT \: Sender verify failed
2019-03-02 08:48:45 H=infinite.doapex.com \(infinite.ustriallawyer.host\) \[139.28.219.62\]:48331 I
...
2020-02-05 00:37:25
139.255.52.203 attack
2019-07-09 06:35:35 1hkhqo-0006V5-70 SMTP connection from \(ln-static-139-255-52-203.link.net.id\) \[139.255.52.203\]:39249 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-09 06:35:46 1hkhqz-0006VG-2e SMTP connection from \(ln-static-139-255-52-203.link.net.id\) \[139.255.52.203\]:36139 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-07-09 06:35:54 1hkhr7-0006VN-HF SMTP connection from \(ln-static-139-255-52-203.link.net.id\) \[139.255.52.203\]:48745 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:47:16
139.180.137.38 attackbots
2020-02-01 15:30:38 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=\[139.180.137.38\]:63683 I=\[193.107.88.166\]:25 input="CONNECT 35.170.216.115:443 HTTP/"
2020-02-01 15:30:38 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=\[139.180.137.38\]:63707 I=\[193.107.88.166\]:25 input="\004\001\001�\#��s"
2020-02-01 15:30:38 SMTP protocol synchronization error \(input sent without waiting for greeting\): rejected connection from H=\[139.180.137.38\]:63728 I=\[193.107.88.166\]:25 input="\005\001"
...
2020-02-05 01:09:06
139.228.161.11 attackspambots
2019-06-21 08:27:32 1heD1D-0003lC-5N SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49615 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-21 08:27:46 1heD1S-0003lN-4j SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49664 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-06-21 08:27:54 1heD1b-0003lV-Ip SMTP connection from \(fm-dyn-139-228-161-11.fast.net.id\) \[139.228.161.11\]:49707 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 00:49:46
89.128.47.163 attack
Feb  4 14:51:10 grey postfix/smtpd\[12050\]: NOQUEUE: reject: RCPT from unknown\[89.128.47.163\]: 554 5.7.1 Service unavailable\; Client host \[89.128.47.163\] blocked using cbl.abuseat.org\; Blocked - see http://www.abuseat.org/lookup.cgi\?ip=89.128.47.163\; from=\ to=\ proto=ESMTP helo=\<\[89.128.47.163\]\>
...
2020-02-05 00:31:18
93.174.93.27 attackspam
Feb  4 17:27:45 debian-2gb-nbg1-2 kernel: \[3092914.665760\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=93.174.93.27 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=54062 PROTO=TCP SPT=48554 DPT=455 WINDOW=1024 RES=0x00 SYN URGP=0
2020-02-05 00:41:58
138.68.142.122 attack
2019-05-07 11:08:35 1hNw5T-0007K7-NU SMTP connection from jeans.bridgecoaa.com \(null.technoandy.icu\) \[138.68.142.122\]:41731 I=\[193.107.90.29\]:25 closed by DROP in ACL
2019-05-07 11:09:14 1hNw66-0007Mr-Kd SMTP connection from jeans.bridgecoaa.com \(cats.technoandy.icu\) \[138.68.142.122\]:51735 I=\[193.107.88.166\]:25 closed by DROP in ACL
2019-05-07 11:10:28 1hNw7I-0007Py-G4 SMTP connection from jeans.bridgecoaa.com \(shaken.technoandy.icu\) \[138.68.142.122\]:56823 I=\[193.107.88.166\]:25 closed by DROP in ACL
...
2020-02-05 01:13:30

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