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: 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 <<>> 104.21.38.253
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44003
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.38.253.			IN	A

;; AUTHORITY SECTION:
.			216	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:33:10 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 253.38.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 253.38.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.13.200.154 attackspam
$f2bV_matches
2020-08-03 01:20:46
85.239.35.12 attackbots
Aug  2 14:03:13 sip sshd[1168003]: Failed password for root from 85.239.35.12 port 36316 ssh2
Aug  2 14:07:31 sip sshd[1168027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.239.35.12  user=root
Aug  2 14:07:33 sip sshd[1168027]: Failed password for root from 85.239.35.12 port 50530 ssh2
...
2020-08-03 01:23:06
114.67.102.123 attack
2020-08-02T16:36:46.325181abusebot-5.cloudsearch.cf sshd[11213]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.102.123  user=root
2020-08-02T16:36:48.007331abusebot-5.cloudsearch.cf sshd[11213]: Failed password for root from 114.67.102.123 port 44396 ssh2
2020-08-02T16:39:54.968409abusebot-5.cloudsearch.cf sshd[11227]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.102.123  user=root
2020-08-02T16:39:57.127221abusebot-5.cloudsearch.cf sshd[11227]: Failed password for root from 114.67.102.123 port 54332 ssh2
2020-08-02T16:43:03.771130abusebot-5.cloudsearch.cf sshd[11234]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.67.102.123  user=root
2020-08-02T16:43:05.879412abusebot-5.cloudsearch.cf sshd[11234]: Failed password for root from 114.67.102.123 port 36034 ssh2
2020-08-02T16:46:09.948514abusebot-5.cloudsearch.cf sshd[11239]: pam_unix(sshd:auth):
...
2020-08-03 01:20:31
60.246.0.164 attackspambots
Dovecot Invalid User Login Attempt.
2020-08-03 01:48:15
104.214.218.85 attack
 TCP (SYN) 104.214.218.85:4230 -> port 1433, len 52
2020-08-03 01:47:55
106.53.19.186 attackbotsspam
Aug  2 12:05:36 scw-tender-jepsen sshd[7462]: Failed password for root from 106.53.19.186 port 37574 ssh2
2020-08-03 01:37:13
188.166.18.69 attack
php WP PHPmyadamin ABUSE blocked for 12h
2020-08-03 01:46:16
37.49.224.2 attackspambots
[2020-08-02 13:43:31] NOTICE[1248][C-00002dc3] chan_sip.c: Call from '' (37.49.224.2:59836) to extension '410441415360079' rejected because extension not found in context 'public'.
[2020-08-02 13:43:31] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-02T13:43:31.970-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="410441415360079",SessionID="0x7f272007c5b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.224.2/59836",ACLName="no_extension_match"
[2020-08-02 13:44:13] NOTICE[1248][C-00002dc4] chan_sip.c: Call from '' (37.49.224.2:59321) to extension '4100441415360079' rejected because extension not found in context 'public'.
[2020-08-02 13:44:13] SECURITY[1275] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-08-02T13:44:13.234-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="4100441415360079",SessionID="0x7f272007c5b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.4
...
2020-08-03 01:55:59
45.129.33.101 attack
Aug 2 19:20:34 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=45.129.33.101 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=18972 PROTO=TCP SPT=45325 DPT=7872 WINDOW=1024 RES=0x00 SYN URGP=0 Aug 2 19:20:49 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=45.129.33.101 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=42332 PROTO=TCP SPT=45325 DPT=7798 WINDOW=1024 RES=0x00 SYN URGP=0 Aug 2 19:21:18 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=45.129.33.101 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=47585 PROTO=TCP SPT=45325 DPT=7751 WINDOW=1024 RES=0x00 SYN URGP=0 Aug 2 19:22:06 *hidden* kernel: [UFW BLOCK] IN=eth0 OUT= MAC=00:16:3c:05:0d:89:f8:66:f2:68:66:ff:08:00 SRC=45.129.33.101 DST=77.73.69.240 LEN=40 TOS=0x00 PREC=0x00 TTL=250 ID=36420 PROTO=TCP SPT=45325 DPT=7718 WINDOW=1024 RES=0x00 SYN URGP=0 Aug 2 19:22:13 *hidden* kernel: 
...
2020-08-03 01:48:59
212.129.152.27 attackspam
Aug  2 09:01:35 vps46666688 sshd[2932]: Failed password for root from 212.129.152.27 port 37246 ssh2
...
2020-08-03 02:00:07
52.172.55.105 attack
DATE:2020-08-02 17:25:17, IP:52.172.55.105, PORT:1433 MSSQL brute force auth on honeypot server (honey-neo-dc)
2020-08-03 01:57:42
47.103.159.227 attack
20 attempts against mh-ssh on cloud
2020-08-03 02:01:53
157.245.6.122 attackspam
CMS Bruteforce / WebApp Attack attempt
2020-08-03 01:28:24
142.93.170.135 attackspam
Aug  2 15:03:13 hosting sshd[15812]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.170.135  user=root
Aug  2 15:03:15 hosting sshd[15812]: Failed password for root from 142.93.170.135 port 54016 ssh2
Aug  2 15:07:03 hosting sshd[16714]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.170.135  user=root
Aug  2 15:07:05 hosting sshd[16714]: Failed password for root from 142.93.170.135 port 36030 ssh2
...
2020-08-03 01:42:06
128.14.236.201 attack
Aug  2 14:02:42 pornomens sshd\[14742\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.14.236.201  user=root
Aug  2 14:02:44 pornomens sshd\[14742\]: Failed password for root from 128.14.236.201 port 43948 ssh2
Aug  2 14:06:41 pornomens sshd\[14756\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.14.236.201  user=root
...
2020-08-03 02:00:33

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