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 <<>> 156.30.81.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34885
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;156.30.81.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021400 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 14 22:43:10 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.81.30.156.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.81.30.156.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.13.213.58 attack
2020-04-16T14:05:54.511579matrix.arvenenaske.de sshd[384036]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.213.58
2020-04-16T14:05:54.505851matrix.arvenenaske.de sshd[384036]: Invalid user xv from 106.13.213.58 port 54794
2020-04-16T14:05:56.837304matrix.arvenenaske.de sshd[384036]: Failed password for invalid user xv from 106.13.213.58 port 54794 ssh2
2020-04-16T14:09:31.518606matrix.arvenenaske.de sshd[384061]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.213.58  user=r.r
2020-04-16T14:09:33.970202matrix.arvenenaske.de sshd[384061]: Failed password for r.r from 106.13.213.58 port 39190 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.13.213.58
2020-04-16 20:27:19
14.232.163.118 attack
Unauthorized connection attempt from IP address 14.232.163.118 on Port 445(SMB)
2020-04-16 20:03:34
111.119.178.174 attack
Repeated attempts against wp-login
2020-04-16 20:14:56
14.227.255.8 attackspambots
Unauthorized connection attempt from IP address 14.227.255.8 on Port 445(SMB)
2020-04-16 19:56:54
45.119.84.254 attack
SSH authentication failure x 6 reported by Fail2Ban
...
2020-04-16 19:54:50
46.105.227.206 attack
(sshd) Failed SSH login from 46.105.227.206 (FR/France/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 16 14:03:56 elude sshd[31914]: Invalid user ry from 46.105.227.206 port 38874
Apr 16 14:03:58 elude sshd[31914]: Failed password for invalid user ry from 46.105.227.206 port 38874 ssh2
Apr 16 14:12:35 elude sshd[870]: Invalid user admin from 46.105.227.206 port 49246
Apr 16 14:12:37 elude sshd[870]: Failed password for invalid user admin from 46.105.227.206 port 49246 ssh2
Apr 16 14:15:57 elude sshd[1421]: Invalid user uv from 46.105.227.206 port 55814
2020-04-16 20:19:13
183.89.4.248 attack
Unauthorized connection attempt from IP address 183.89.4.248 on Port 445(SMB)
2020-04-16 20:33:07
194.54.82.142 attack
license.txt
2020-04-16 19:58:28
116.253.209.88 attack
Apr 16 14:10:41 vps sshd[379690]: Failed password for invalid user firefart from 116.253.209.88 port 39220 ssh2
Apr 16 14:13:21 vps sshd[392247]: Invalid user vm from 116.253.209.88 port 52718
Apr 16 14:13:21 vps sshd[392247]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.253.209.88
Apr 16 14:13:23 vps sshd[392247]: Failed password for invalid user vm from 116.253.209.88 port 52718 ssh2
Apr 16 14:15:58 vps sshd[408888]: Invalid user jc from 116.253.209.88 port 37987
...
2020-04-16 20:18:11
92.63.194.240 attackspambots
Bruteforce.Generic.Rdp.d to port 3389
2020-04-16 20:29:10
118.232.58.146 attackspam
20/4/15@23:46:25: FAIL: Alarm-Network address from=118.232.58.146
20/4/15@23:46:25: FAIL: Alarm-Network address from=118.232.58.146
...
2020-04-16 19:52:27
185.47.65.30 attackbotsspam
Apr 16 08:10:18 ny01 sshd[26644]: Failed password for root from 185.47.65.30 port 59426 ssh2
Apr 16 08:15:39 ny01 sshd[27300]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.47.65.30
Apr 16 08:15:41 ny01 sshd[27300]: Failed password for invalid user qs from 185.47.65.30 port 39482 ssh2
2020-04-16 20:32:41
45.143.220.209 attackbots
[2020-04-16 08:15:10] NOTICE[1170][C-00000f2f] chan_sip.c: Call from '' (45.143.220.209:53053) to extension '441205804657' rejected because extension not found in context 'public'.
[2020-04-16 08:15:10] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-16T08:15:10.036-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="441205804657",SessionID="0x7f6c0824ccd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.143.220.209/53053",ACLName="no_extension_match"
[2020-04-16 08:15:56] NOTICE[1170][C-00000f30] chan_sip.c: Call from '' (45.143.220.209:65396) to extension '00441205804657' rejected because extension not found in context 'public'.
[2020-04-16 08:15:56] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-16T08:15:56.679-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00441205804657",SessionID="0x7f6c08099cc8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/45.14
...
2020-04-16 20:22:07
117.97.170.103 attackspam
Unauthorized connection attempt from IP address 117.97.170.103 on Port 445(SMB)
2020-04-16 20:31:35
116.105.216.179 attackspam
2020-04-16T08:17:39.570300xentho-1 sshd[351207]: Invalid user ubnt from 116.105.216.179 port 38196
2020-04-16T08:17:42.564363xentho-1 sshd[351207]: Failed password for invalid user ubnt from 116.105.216.179 port 38196 ssh2
2020-04-16T08:18:15.375924xentho-1 sshd[351231]: Invalid user nagios from 116.105.216.179 port 56232
2020-04-16T08:18:17.152462xentho-1 sshd[351231]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.105.216.179
2020-04-16T08:18:15.375924xentho-1 sshd[351231]: Invalid user nagios from 116.105.216.179 port 56232
2020-04-16T08:18:18.482734xentho-1 sshd[351231]: Failed password for invalid user nagios from 116.105.216.179 port 56232 ssh2
2020-04-16T08:21:03.010232xentho-1 sshd[351269]: Invalid user tomcat from 116.105.216.179 port 46802
2020-04-16T08:21:05.906011xentho-1 sshd[351269]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.105.216.179
2020-04-16T08:21:03.010232xentho-1 sshd[35
...
2020-04-16 20:24:05

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