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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 55.106.171.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8142
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;55.106.171.100.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022200 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 22 22:31:24 CST 2025
;; MSG SIZE  rcvd: 107
Host info
b'Host 100.171.106.55.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.171.106.55.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
45.142.120.38 attack
Oct  4 15:34:37 srv01 postfix/smtpd\[26439\]: warning: unknown\[45.142.120.38\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 15:34:42 srv01 postfix/smtpd\[25803\]: warning: unknown\[45.142.120.38\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 15:34:45 srv01 postfix/smtpd\[29769\]: warning: unknown\[45.142.120.38\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 15:34:52 srv01 postfix/smtpd\[26439\]: warning: unknown\[45.142.120.38\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 15:34:54 srv01 postfix/smtpd\[29788\]: warning: unknown\[45.142.120.38\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-10-04 21:36:06
118.193.31.179 attack
[N1.H1.VM1] Port Scanner Detected Blocked by UFW
2020-10-04 21:38:33
45.142.120.209 attackspambots
Oct  4 14:24:17 websrv1.derweidener.de postfix/smtpd[251761]: warning: unknown[45.142.120.209]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 14:24:24 websrv1.derweidener.de postfix/smtpd[251765]: warning: unknown[45.142.120.209]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 14:24:26 websrv1.derweidener.de postfix/smtpd[251771]: warning: unknown[45.142.120.209]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 14:24:28 websrv1.derweidener.de postfix/smtpd[251761]: warning: unknown[45.142.120.209]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  4 14:24:34 websrv1.derweidener.de postfix/smtpd[251772]: warning: unknown[45.142.120.209]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2020-10-04 21:33:56
45.228.254.168 attackspam
Oct  3 22:17:52 mail.srvfarm.net postfix/smtpd[660363]: warning: unknown[45.228.254.168]: SASL PLAIN authentication failed: 
Oct  3 22:17:53 mail.srvfarm.net postfix/smtpd[660363]: lost connection after AUTH from unknown[45.228.254.168]
Oct  3 22:20:06 mail.srvfarm.net postfix/smtps/smtpd[660131]: warning: unknown[45.228.254.168]: SASL PLAIN authentication failed: 
Oct  3 22:20:06 mail.srvfarm.net postfix/smtps/smtpd[660131]: lost connection after AUTH from unknown[45.228.254.168]
Oct  3 22:26:24 mail.srvfarm.net postfix/smtps/smtpd[658122]: warning: unknown[45.228.254.168]: SASL PLAIN authentication failed:
2020-10-04 21:33:06
77.252.137.108 attackspam
Oct  3 22:24:23 mail.srvfarm.net postfix/smtps/smtpd[662244]: warning: unknown[77.252.137.108]: SASL PLAIN authentication failed: 
Oct  3 22:24:23 mail.srvfarm.net postfix/smtps/smtpd[662244]: lost connection after AUTH from unknown[77.252.137.108]
Oct  3 22:25:26 mail.srvfarm.net postfix/smtpd[660367]: warning: unknown[77.252.137.108]: SASL PLAIN authentication failed: 
Oct  3 22:25:26 mail.srvfarm.net postfix/smtpd[660367]: lost connection after AUTH from unknown[77.252.137.108]
Oct  3 22:27:56 mail.srvfarm.net postfix/smtps/smtpd[662242]: warning: unknown[77.252.137.108]: SASL PLAIN authentication failed:
2020-10-04 21:31:44
40.69.101.92 attack
Oct  3 22:12:31 web01.agentur-b-2.de postfix/smtpd[1067123]: NOQUEUE: reject: RCPT from unknown[40.69.101.92]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:14:31 web01.agentur-b-2.de postfix/smtpd[1067123]: NOQUEUE: reject: RCPT from unknown[40.69.101.92]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:17:17 web01.agentur-b-2.de postfix/smtpd[1068527]: NOQUEUE: reject: RCPT from unknown[40.69.101.92]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
Oct  3 22:18:49 web01.agentur-b-2.de postfix/smtpd[1068527]: NOQUEUE: reject: RCPT from unknown[40.69.101.92]: 450 4.7.1 : Helo command rejected: Host not found; from=<> to= proto=ESMTP helo=
2020-10-04 21:36:27
168.0.252.205 attackspam
Autoban   168.0.252.205 AUTH/CONNECT
2020-10-04 21:14:43
104.248.231.200 attackbots
Oct 4 09:37:26 *hidden* sshd[32451]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.231.200 Oct 4 09:37:28 *hidden* sshd[32451]: Failed password for invalid user stock from 104.248.231.200 port 39144 ssh2 Oct 4 09:41:59 *hidden* sshd[2337]: Invalid user tom from 104.248.231.200 port 57872
2020-10-04 21:39:33
191.37.35.171 attack
Oct  4 14:17:48 mail.srvfarm.net postfix/smtps/smtpd[999105]: warning: unknown[191.37.35.171]: SASL PLAIN authentication failed: 
Oct  4 14:17:48 mail.srvfarm.net postfix/smtps/smtpd[999105]: lost connection after AUTH from unknown[191.37.35.171]
Oct  4 14:23:22 mail.srvfarm.net postfix/smtpd[999024]: warning: unknown[191.37.35.171]: SASL PLAIN authentication failed: 
Oct  4 14:23:23 mail.srvfarm.net postfix/smtpd[999024]: lost connection after AUTH from unknown[191.37.35.171]
Oct  4 14:24:20 mail.srvfarm.net postfix/smtpd[1002004]: warning: unknown[191.37.35.171]: SASL PLAIN authentication failed:
2020-10-04 21:21:45
59.50.102.242 attackbotsspam
" "
2020-10-04 21:41:51
82.200.174.6 attackbots
[N1.H1.VM1] Port Scanner Detected Blocked by UFW
2020-10-04 21:39:53
45.160.136.66 attackspambots
Oct  4 08:28:52 mail.srvfarm.net postfix/smtpd[756560]: warning: unknown[45.160.136.66]: SASL PLAIN authentication failed: 
Oct  4 08:28:53 mail.srvfarm.net postfix/smtpd[756560]: lost connection after AUTH from unknown[45.160.136.66]
Oct  4 08:35:01 mail.srvfarm.net postfix/smtpd[756744]: warning: unknown[45.160.136.66]: SASL PLAIN authentication failed: 
Oct  4 08:35:02 mail.srvfarm.net postfix/smtpd[756744]: lost connection after AUTH from unknown[45.160.136.66]
Oct  4 08:35:42 mail.srvfarm.net postfix/smtpd[756518]: warning: unknown[45.160.136.66]: SASL PLAIN authentication failed:
2020-10-04 21:17:45
80.82.77.227 attackspambots
"Found User-Agent associated with security scanner - Matched Data: zgrab found within REQUEST_HEADERS:User-Agent: mozilla/5.0 zgrab/0.x"
2020-10-04 21:37:41
77.45.86.61 attackspambots
$f2bV_matches
2020-10-04 21:16:55
138.121.95.197 attack
Oct  3 22:03:58 mail.srvfarm.net postfix/smtpd[656172]: warning: 197-95-121-138.ebertinformatica.com.br[138.121.95.197]: SASL PLAIN authentication failed: 
Oct  3 22:03:59 mail.srvfarm.net postfix/smtpd[656172]: lost connection after AUTH from 197-95-121-138.ebertinformatica.com.br[138.121.95.197]
Oct  3 22:06:14 mail.srvfarm.net postfix/smtps/smtpd[658135]: warning: 197-95-121-138.ebertinformatica.com.br[138.121.95.197]: SASL PLAIN authentication failed: 
Oct  3 22:06:14 mail.srvfarm.net postfix/smtps/smtpd[658135]: lost connection after AUTH from 197-95-121-138.ebertinformatica.com.br[138.121.95.197]
Oct  3 22:13:43 mail.srvfarm.net postfix/smtpd[656144]: warning: 197-95-121-138.ebertinformatica.com.br[138.121.95.197]: SASL PLAIN authentication failed:
2020-10-04 21:26:35

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