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: AT&T

Hostname: unknown

Organization: AT&T Services, Inc.

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 <<>> 12.55.23.166
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64541
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019050300 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Sat May 04 00:08:57 +08 2019
;; MSG SIZE  rcvd: 116

Host info
Host 166.23.55.12.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 166.23.55.12.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
81.22.45.45 attackspam
Jul  8 00:57:48 h2177944 kernel: \[864593.730592\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.45 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=248 ID=59113 PROTO=TCP SPT=44074 DPT=4001 WINDOW=1024 RES=0x00 SYN URGP=0 
Jul  8 01:04:08 h2177944 kernel: \[864972.703939\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.45 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=2702 PROTO=TCP SPT=44074 DPT=3391 WINDOW=1024 RES=0x00 SYN URGP=0 
Jul  8 01:07:06 h2177944 kernel: \[865150.960343\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.45 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=1139 PROTO=TCP SPT=44074 DPT=3355 WINDOW=1024 RES=0x00 SYN URGP=0 
Jul  8 01:10:40 h2177944 kernel: \[865365.098197\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.45 DST=85.214.117.9 LEN=40 TOS=0x00 PREC=0x00 TTL=249 ID=57287 PROTO=TCP SPT=44074 DPT=3366 WINDOW=1024 RES=0x00 SYN URGP=0 
Jul  8 01:14:55 h2177944 kernel: \[865619.638572\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=81.22.45.45 DST=85.214.117.9 LEN=40 TOS=0x00
2019-07-08 07:25:12
134.209.157.64 attackbots
Triggered by Fail2Ban
2019-07-08 07:26:12
102.165.39.56 attackbots
\[2019-07-07 19:14:21\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-07T19:14:21.924-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441274066078",SessionID="0x7f02f89969f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/102.165.39.56/54611",ACLName="no_extension_match"
\[2019-07-07 19:14:37\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-07T19:14:37.207-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441134900374",SessionID="0x7f02f821ae38",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/102.165.39.56/52617",ACLName="no_extension_match"
\[2019-07-07 19:14:54\] SECURITY\[13451\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-07T19:14:54.110-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441902933938",SessionID="0x7f02f89969f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/102.165.39.56/54564",ACLName="no_ext
2019-07-08 07:23:39
51.255.219.56 attackspambots
Blocked range because of multiple attacks in the past. @ 2019-07-08T01:00:41+02:00.
2019-07-08 07:18:02
175.138.159.233 attackspambots
Invalid user tomcat from 175.138.159.233 port 47890
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.138.159.233
Failed password for invalid user tomcat from 175.138.159.233 port 47890 ssh2
Invalid user sr from 175.138.159.233 port 37983
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.138.159.233
2019-07-08 07:13:28
170.244.214.211 attack
SMTP Fraud Orders
2019-07-08 07:42:47
196.179.74.227 attackbotsspam
missing rdns
2019-07-08 07:25:38
190.145.148.34 attackspam
Unauthorized IMAP connection attempt.
2019-07-08 07:27:22
185.176.26.29 attack
ZTE Router Exploit Scanner
2019-07-08 07:34:20
35.198.241.105 attack
(Jul  8)  LEN=40 PREC=0x20 TTL=53 ID=6910 TCP DPT=8080 WINDOW=6452 SYN 
 (Jul  7)  LEN=40 TTL=50 ID=47997 TCP DPT=23 WINDOW=27343 SYN 
 (Jul  7)  LEN=40 TTL=50 ID=11207 TCP DPT=8080 WINDOW=46503 SYN 
 (Jul  7)  LEN=40 PREC=0x20 TTL=51 ID=30531 TCP DPT=8080 WINDOW=57807 SYN 
 (Jul  7)  LEN=40 TTL=51 ID=36433 TCP DPT=8080 WINDOW=50202 SYN 
 (Jul  7)  LEN=40 TTL=51 ID=35132 TCP DPT=8080 WINDOW=29290 SYN 
 (Jul  7)  LEN=40 TTL=50 ID=54992 TCP DPT=8080 WINDOW=42150 SYN 
 (Jul  6)  LEN=40 PREC=0x20 TTL=50 ID=34983 TCP DPT=8080 WINDOW=32179 SYN 
 (Jul  6)  LEN=40 PREC=0x20 TTL=50 ID=14855 TCP DPT=8080 WINDOW=36263 SYN 
 (Jul  6)  LEN=40 PREC=0x20 TTL=53 ID=62780 TCP DPT=23 WINDOW=51426 SYN 
 (Jul  6)  LEN=40 TTL=50 ID=53855 TCP DPT=8080 WINDOW=23058 SYN 
 (Jul  6)  LEN=40 TTL=50 ID=55774 TCP DPT=8080 WINDOW=15390 SYN 
 (Jul  5)  LEN=40 PREC=0x20 TTL=50 ID=54821 TCP DPT=8080 WINDOW=47972 SYN 
 (Jul  5)  LEN=40 PREC=0x20 TTL=52 ID=5103 TCP DPT=23 WINDOW=3419 SYN
2019-07-08 07:32:11
178.140.140.13 attack
Jul  1 23:17:26 m3061 sshd[18069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=broadband-178-140-140-13.ip.moscow.rt.ru  user=r.r
Jul  1 23:17:28 m3061 sshd[18069]: Failed password for r.r from 178.140.140.13 port 59506 ssh2
Jul  1 23:17:30 m3061 sshd[18069]: Failed password for r.r from 178.140.140.13 port 59506 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=178.140.140.13
2019-07-08 07:27:57
52.66.115.73 attackspambots
Jul  6 17:37:36 Serveur sshd[7376]: Invalid user fs from 52.66.115.73 port 60501
Jul  6 17:37:36 Serveur sshd[7376]: Failed password for invalid user fs from 52.66.115.73 port 60501 ssh2
Jul  6 17:37:36 Serveur sshd[7376]: Received disconnect from 52.66.115.73 port 60501:11: Bye Bye [preauth]
Jul  6 17:37:36 Serveur sshd[7376]: Disconnected from invalid user fs 52.66.115.73 port 60501 [preauth]
Jul  6 17:40:57 Serveur sshd[9870]: Invalid user mg from 52.66.115.73 port 49784
Jul  6 17:40:57 Serveur sshd[9870]: Failed password for invalid user mg from 52.66.115.73 port 49784 ssh2
Jul  6 17:40:57 Serveur sshd[9870]: Received disconnect from 52.66.115.73 port 49784:11: Bye Bye [preauth]
Jul  6 17:40:57 Serveur sshd[9870]: Disconnected from invalid user mg 52.66.115.73 port 49784 [preauth]
Jul  6 17:43:19 Serveur sshd[11329]: Invalid user bot2 from 52.66.115.73 port 34455
Jul  6 17:43:19 Serveur sshd[11329]: Failed password for invalid user bot2 from 52.66.115.73 port 34455 ........
-------------------------------
2019-07-08 07:22:31
116.206.60.10 attackbotsspam
proto=tcp  .  spt=35967  .  dpt=25  .     (listed on Blocklist de  Jul 07)     (26)
2019-07-08 07:43:39
138.68.146.186 attackspambots
Jul  8 01:14:16 ncomp sshd[2266]: Invalid user andra from 138.68.146.186
Jul  8 01:14:16 ncomp sshd[2266]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.146.186
Jul  8 01:14:16 ncomp sshd[2266]: Invalid user andra from 138.68.146.186
Jul  8 01:14:18 ncomp sshd[2266]: Failed password for invalid user andra from 138.68.146.186 port 48192 ssh2
2019-07-08 07:40:02
200.207.63.165 attackbotsspam
Jul  5 14:53:18 server6 sshd[26308]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200-207-63-165.dsl.telesp.net.br
Jul  5 14:53:20 server6 sshd[26308]: Failed password for invalid user audrey from 200.207.63.165 port 40796 ssh2
Jul  5 14:53:20 server6 sshd[26308]: Received disconnect from 200.207.63.165: 11: Bye Bye [preauth]
Jul  5 18:07:22 server6 sshd[31679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200-207-63-165.dsl.telesp.net.br
Jul  5 18:07:25 server6 sshd[31679]: Failed password for invalid user web1 from 200.207.63.165 port 52717 ssh2
Jul  5 18:07:25 server6 sshd[31679]: Received disconnect from 200.207.63.165: 11: Bye Bye [preauth]
Jul  5 18:10:04 server6 sshd[1834]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200-207-63-165.dsl.telesp.net.br
Jul  5 18:10:06 server6 sshd[1834]: Failed password for invalid user admin from 200.207........
-------------------------------
2019-07-08 07:11:18

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