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 <<>> 104.21.63.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9267
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.63.138.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:42:37 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.63.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.63.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.77.111.30 attackbotsspam
2020-03-30T10:10:34.512615linuxbox-skyline sshd[92457]: Invalid user yangxiaoning from 51.77.111.30 port 43298
...
2020-03-31 02:22:15
60.30.73.250 attack
Mar 30 18:14:29 ns382633 sshd\[8895\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.30.73.250  user=root
Mar 30 18:14:31 ns382633 sshd\[8895\]: Failed password for root from 60.30.73.250 port 34540 ssh2
Mar 30 18:27:10 ns382633 sshd\[11944\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.30.73.250  user=root
Mar 30 18:27:12 ns382633 sshd\[11944\]: Failed password for root from 60.30.73.250 port 38184 ssh2
Mar 30 18:39:52 ns382633 sshd\[14661\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.30.73.250  user=root
2020-03-31 02:40:05
184.105.247.196 attack
Port 8080 (HTTP proxy) access denied
2020-03-31 02:59:20
37.252.189.70 attack
Mar 30 21:04:10 hosting sshd[32398]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.252.189.70  user=root
Mar 30 21:04:12 hosting sshd[32398]: Failed password for root from 37.252.189.70 port 40320 ssh2
Mar 30 21:15:00 hosting sshd[1669]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.252.189.70  user=root
Mar 30 21:15:02 hosting sshd[1669]: Failed password for root from 37.252.189.70 port 46820 ssh2
Mar 30 21:20:05 hosting sshd[2826]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.252.189.70  user=root
Mar 30 21:20:07 hosting sshd[2826]: Failed password for root from 37.252.189.70 port 57950 ssh2
...
2020-03-31 02:34:50
223.111.144.150 attackspambots
Brute force SMTP login attempted.
...
2020-03-31 02:20:07
66.70.130.153 attack
Tried sshing with brute force.
2020-03-31 02:51:26
222.91.97.134 attackbots
Mar 30 19:14:35 ns382633 sshd\[22125\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.91.97.134  user=root
Mar 30 19:14:38 ns382633 sshd\[22125\]: Failed password for root from 222.91.97.134 port 2474 ssh2
Mar 30 19:27:04 ns382633 sshd\[26763\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.91.97.134  user=root
Mar 30 19:27:06 ns382633 sshd\[26763\]: Failed password for root from 222.91.97.134 port 2475 ssh2
Mar 30 19:32:43 ns382633 sshd\[27928\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.91.97.134  user=root
2020-03-31 02:41:58
222.180.162.8 attack
Mar 30 18:17:11 ns382633 sshd\[9758\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.180.162.8  user=root
Mar 30 18:17:13 ns382633 sshd\[9758\]: Failed password for root from 222.180.162.8 port 43050 ssh2
Mar 30 18:48:02 ns382633 sshd\[16533\]: Invalid user ov from 222.180.162.8 port 49953
Mar 30 18:48:02 ns382633 sshd\[16533\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.180.162.8
Mar 30 18:48:04 ns382633 sshd\[16533\]: Failed password for invalid user ov from 222.180.162.8 port 49953 ssh2
2020-03-31 02:52:46
112.133.195.55 attackspam
(sshd) Failed SSH login from 112.133.195.55 (IN/India/ws55-195-133-112.rcil.gov.in): 5 in the last 3600 secs
2020-03-31 02:28:00
218.156.216.141 attack
Mar 30 15:54:34 debian-2gb-nbg1-2 kernel: \[7835531.683154\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=218.156.216.141 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=48 ID=0 DF PROTO=TCP SPT=7547 DPT=52770 WINDOW=14600 RES=0x00 ACK SYN URGP=0
2020-03-31 02:18:24
89.176.9.98 attackbots
(sshd) Failed SSH login from 89.176.9.98 (CZ/Czechia/ip-89-176-9-98.net.upcbroadband.cz): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Mar 30 19:25:57 amsweb01 sshd[24964]: Failed password for root from 89.176.9.98 port 56406 ssh2
Mar 30 19:31:17 amsweb01 sshd[25593]: Failed password for root from 89.176.9.98 port 57138 ssh2
Mar 30 19:35:19 amsweb01 sshd[26123]: Failed password for root from 89.176.9.98 port 40824 ssh2
Mar 30 19:39:13 amsweb01 sshd[26510]: Failed password for root from 89.176.9.98 port 52744 ssh2
Mar 30 19:43:06 amsweb01 sshd[26981]: Invalid user yaowenjing from 89.176.9.98 port 36458
2020-03-31 02:53:42
103.81.156.10 attackbotsspam
2020-03-30T16:10:02.659445dmca.cloudsearch.cf sshd[15124]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.81.156.10  user=freeswitch
2020-03-30T16:10:04.576288dmca.cloudsearch.cf sshd[15124]: Failed password for freeswitch from 103.81.156.10 port 52062 ssh2
2020-03-30T16:14:06.884122dmca.cloudsearch.cf sshd[15496]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.81.156.10  user=root
2020-03-30T16:14:08.630438dmca.cloudsearch.cf sshd[15496]: Failed password for root from 103.81.156.10 port 51224 ssh2
2020-03-30T16:18:07.361282dmca.cloudsearch.cf sshd[15830]: Invalid user openerp from 103.81.156.10 port 50360
2020-03-30T16:18:07.367373dmca.cloudsearch.cf sshd[15830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.81.156.10
2020-03-30T16:18:07.361282dmca.cloudsearch.cf sshd[15830]: Invalid user openerp from 103.81.156.10 port 50360
2020-03-30T16:18:09.19879
...
2020-03-31 02:30:26
223.100.164.77 attackspam
Brute force SMTP login attempted.
...
2020-03-31 02:27:10
101.87.60.114 attackbotsspam
Honeypot attack, port: 5555, PTR: PTR record not found
2020-03-31 02:49:41
45.14.150.133 attackspambots
$f2bV_matches
2020-03-31 02:46:50

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