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: Afghanistan

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 <<>> 103.5.172.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47200
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;103.5.172.21.			IN	A

;; AUTHORITY SECTION:
.			191	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022500 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 23:58:49 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 21.172.5.103.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.172.5.103.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.63.166.243 attackbots
port scan and connect, tcp 25 (smtp)
2020-04-05 12:39:28
103.47.82.221 attack
$f2bV_matches
2020-04-05 13:02:34
123.30.154.184 attack
$f2bV_matches
2020-04-05 12:38:20
216.245.196.222 attack
[2020-04-05 00:27:05] NOTICE[12114][C-00001959] chan_sip.c: Call from '' (216.245.196.222:5082) to extension '+442037695493' rejected because extension not found in context 'public'.
[2020-04-05 00:27:05] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-05T00:27:05.699-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="+442037695493",SessionID="0x7f020c04b958",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/216.245.196.222/5082",ACLName="no_extension_match"
[2020-04-05 00:31:22] NOTICE[12114][C-00001960] chan_sip.c: Call from '' (216.245.196.222:5071) to extension '0442037695493' rejected because extension not found in context 'public'.
[2020-04-05 00:31:22] SECURITY[12128] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-04-05T00:31:22.884-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0442037695493",SessionID="0x7f020c088288",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/2
...
2020-04-05 12:43:50
46.201.225.2 attack
20/4/4@23:58:11: FAIL: Alarm-Network address from=46.201.225.2
20/4/4@23:58:11: FAIL: Alarm-Network address from=46.201.225.2
...
2020-04-05 12:31:11
106.12.149.253 attackspambots
SSH Brute Force
2020-04-05 12:35:50
181.48.67.89 attack
Apr  5 05:39:44 ovpn sshd\[25234\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.67.89  user=root
Apr  5 05:39:46 ovpn sshd\[25234\]: Failed password for root from 181.48.67.89 port 36786 ssh2
Apr  5 05:53:41 ovpn sshd\[28756\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.67.89  user=root
Apr  5 05:53:43 ovpn sshd\[28756\]: Failed password for root from 181.48.67.89 port 55102 ssh2
Apr  5 05:58:17 ovpn sshd\[29974\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.48.67.89  user=root
2020-04-05 12:27:32
119.29.161.236 attackspam
Apr  4 21:36:10 mockhub sshd[17836]: Failed password for root from 119.29.161.236 port 44160 ssh2
...
2020-04-05 12:53:22
217.59.215.82 attackbots
20/4/4@23:58:19: FAIL: Alarm-Network address from=217.59.215.82
...
2020-04-05 12:25:58
106.12.185.54 attackbotsspam
Invalid user wl from 106.12.185.54 port 48214
2020-04-05 12:44:35
51.75.123.107 attackspam
$f2bV_matches | Triggered by Fail2Ban at Vostok web server
2020-04-05 12:48:26
181.171.25.180 attackbots
(imapd) Failed IMAP login from 181.171.25.180 (AR/Argentina/180-25-171-181.fibertel.com.ar): 1 in the last 3600 secs
2020-04-05 12:42:37
123.49.47.26 attackbotsspam
Apr  5 06:50:02 server sshd\[1431\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.49.47.26  user=root
Apr  5 06:50:04 server sshd\[1431\]: Failed password for root from 123.49.47.26 port 49156 ssh2
Apr  5 07:00:28 server sshd\[4703\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.49.47.26  user=root
Apr  5 07:00:30 server sshd\[4703\]: Failed password for root from 123.49.47.26 port 46714 ssh2
Apr  5 07:03:51 server sshd\[5346\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.49.47.26  user=root
...
2020-04-05 12:38:58
51.91.77.104 attackbotsspam
Apr  5 10:50:11 itv-usvr-01 sshd[11514]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.77.104  user=root
Apr  5 10:50:12 itv-usvr-01 sshd[11514]: Failed password for root from 51.91.77.104 port 59862 ssh2
Apr  5 10:54:06 itv-usvr-01 sshd[11705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.77.104  user=root
Apr  5 10:54:07 itv-usvr-01 sshd[11705]: Failed password for root from 51.91.77.104 port 42628 ssh2
Apr  5 10:57:59 itv-usvr-01 sshd[11880]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.77.104  user=root
Apr  5 10:58:01 itv-usvr-01 sshd[11880]: Failed password for root from 51.91.77.104 port 53626 ssh2
2020-04-05 12:37:48
176.31.116.214 attack
Apr  5 05:54:41 s1 sshd\[3252\]: Invalid user oracle from 176.31.116.214 port 55350
Apr  5 05:54:41 s1 sshd\[3252\]: Failed password for invalid user oracle from 176.31.116.214 port 55350 ssh2
Apr  5 05:56:30 s1 sshd\[4097\]: Invalid user www from 176.31.116.214 port 37601
Apr  5 05:56:30 s1 sshd\[4097\]: Failed password for invalid user www from 176.31.116.214 port 37601 ssh2
Apr  5 05:58:19 s1 sshd\[4178\]: Invalid user postgres from 176.31.116.214 port 48091
Apr  5 05:58:19 s1 sshd\[4178\]: Failed password for invalid user postgres from 176.31.116.214 port 48091 ssh2
...
2020-04-05 12:25:26

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