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 <<>> 21.139.194.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3734
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.139.194.66.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025030800 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Mar 08 20:41:36 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 66.194.139.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.194.139.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.99.34.142 attack
192.99.34.142 - - [17/Aug/2020:19:10:41 +0100] "POST /wp-login.php HTTP/1.1" 200 5575 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
192.99.34.142 - - [17/Aug/2020:19:12:59 +0100] "POST /wp-login.php HTTP/1.1" 200 5575 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
192.99.34.142 - - [17/Aug/2020:19:15:39 +0100] "POST /wp-login.php HTTP/1.1" 200 5575 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-08-18 02:24:53
77.247.109.88 attackbots
[2020-08-17 13:30:31] NOTICE[1185][C-00003016] chan_sip.c: Call from '' (77.247.109.88:63783) to extension '9011442037699492' rejected because extension not found in context 'public'.
[2020-08-17 13:30:31] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-17T13:30:31.276-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011442037699492",SessionID="0x7f10c4481d18",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.109.88/63783",ACLName="no_extension_match"
[2020-08-17 13:30:50] NOTICE[1185][C-00003017] chan_sip.c: Call from '' (77.247.109.88:58171) to extension '011442037699492' rejected because extension not found in context 'public'.
[2020-08-17 13:30:50] SECURITY[1203] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-17T13:30:50.665-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442037699492",SessionID="0x7f10c43add48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...
2020-08-18 02:32:55
94.102.56.216 attackbotsspam
firewall-block, port(s): 28007/udp
2020-08-18 02:47:54
192.157.233.175 attackbotsspam
Aug 17 17:20:22 Ubuntu-1404-trusty-64-minimal sshd\[32657\]: Invalid user te from 192.157.233.175
Aug 17 17:20:22 Ubuntu-1404-trusty-64-minimal sshd\[32657\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.157.233.175
Aug 17 17:20:24 Ubuntu-1404-trusty-64-minimal sshd\[32657\]: Failed password for invalid user te from 192.157.233.175 port 43235 ssh2
Aug 17 19:44:47 Ubuntu-1404-trusty-64-minimal sshd\[6307\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.157.233.175  user=root
Aug 17 19:44:49 Ubuntu-1404-trusty-64-minimal sshd\[6307\]: Failed password for root from 192.157.233.175 port 36920 ssh2
2020-08-18 02:33:22
34.207.88.206 attack
Email rejected due to spam filtering
2020-08-18 02:45:56
61.230.42.39 attack
Unauthorized connection attempt from IP address 61.230.42.39 on Port 445(SMB)
2020-08-18 02:30:00
117.211.18.172 attackbots
Unauthorized connection attempt from IP address 117.211.18.172 on Port 445(SMB)
2020-08-18 02:27:08
65.49.210.231 attackspambots
2020-08-17T11:14:31.448900mail.thespaminator.com sshd[15912]: Invalid user hao from 65.49.210.231 port 42588
2020-08-17T11:14:33.888833mail.thespaminator.com sshd[15912]: Failed password for invalid user hao from 65.49.210.231 port 42588 ssh2
...
2020-08-18 02:14:32
185.147.212.8 attackbotsspam
[2020-08-17 13:35:58] NOTICE[1185] chan_sip.c: Registration from '' failed for '185.147.212.8:50381' - Wrong password
[2020-08-17 13:35:58] SECURITY[1203] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-08-17T13:35:58.197-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="7357",SessionID="0x7f10c43f67a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.212.8/50381",Challenge="602f171b",ReceivedChallenge="602f171b",ReceivedHash="38ce32ead899ac457df4cfce3043e8eb"
[2020-08-17 13:36:21] NOTICE[1185] chan_sip.c: Registration from '' failed for '185.147.212.8:56392' - Wrong password
[2020-08-17 13:36:21] SECURITY[1203] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-08-17T13:36:21.875-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5149",SessionID="0x7f10c402a0b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.147.212.8
...
2020-08-18 02:49:08
222.128.14.106 attack
Aug 17 11:58:48 powerpi2 sshd[18655]: Invalid user jboss from 222.128.14.106 port 49929
Aug 17 11:58:50 powerpi2 sshd[18655]: Failed password for invalid user jboss from 222.128.14.106 port 49929 ssh2
Aug 17 12:01:45 powerpi2 sshd[18816]: Invalid user apps from 222.128.14.106 port 4599
...
2020-08-18 02:18:34
180.166.141.58 attack
 TCP (SYN) 180.166.141.58:56721 -> port 10900, len 44
2020-08-18 02:21:58
110.227.102.208 attackspam
Unauthorized connection attempt from IP address 110.227.102.208 on Port 445(SMB)
2020-08-18 02:35:03
106.12.217.176 attackspambots
Aug 17 14:01:49 mout sshd[7084]: Invalid user jxs from 106.12.217.176 port 53640
Aug 17 14:01:51 mout sshd[7084]: Failed password for invalid user jxs from 106.12.217.176 port 53640 ssh2
Aug 17 14:01:52 mout sshd[7084]: Disconnected from invalid user jxs 106.12.217.176 port 53640 [preauth]
2020-08-18 02:12:13
138.68.73.20 attack
Fail2Ban
2020-08-18 02:50:17
42.200.206.225 attackbots
Automatic report - Banned IP Access
2020-08-18 02:17:09

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