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 <<>> 104.21.20.121
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37514
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.121.			IN	A

;; AUTHORITY SECTION:
.			174	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: Fri Feb 18 02:15:06 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 121.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 121.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
114.35.143.1 attackspam
Port probing on unauthorized port 85
2020-05-17 00:15:48
106.13.215.207 attackbotsspam
Invalid user laptop from 106.13.215.207 port 55114
2020-05-16 23:34:26
190.58.160.65 attackspam
445/tcp 445/tcp 445/tcp...
[2020-04-08/05-11]4pkt,1pt.(tcp)
2020-05-16 23:44:33
78.42.140.125 attackbotsspam
SSH brute-force attempt
2020-05-17 00:21:43
106.12.144.219 attack
May 16 01:44:12 lukav-desktop sshd\[23618\]: Invalid user amara from 106.12.144.219
May 16 01:44:12 lukav-desktop sshd\[23618\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.144.219
May 16 01:44:14 lukav-desktop sshd\[23618\]: Failed password for invalid user amara from 106.12.144.219 port 53930 ssh2
May 16 01:46:40 lukav-desktop sshd\[23672\]: Invalid user guest from 106.12.144.219
May 16 01:46:40 lukav-desktop sshd\[23672\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.144.219
2020-05-17 00:27:15
80.82.65.190 attackbots
May 16 04:54:22 debian-2gb-nbg1-2 kernel: \[11856508.306104\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=80.82.65.190 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=54321 PROTO=TCP SPT=47585 DPT=23 WINDOW=65535 RES=0x00 SYN URGP=0
2020-05-16 23:46:00
206.189.73.164 attackspam
May 16 05:14:14 legacy sshd[5453]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.73.164
May 16 05:14:16 legacy sshd[5453]: Failed password for invalid user davis from 206.189.73.164 port 58078 ssh2
May 16 05:19:13 legacy sshd[5779]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.73.164
...
2020-05-17 00:20:28
180.76.104.221 attackbotsspam
(sshd) Failed SSH login from 180.76.104.221 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 16 05:02:10 amsweb01 sshd[19525]: Invalid user oracle from 180.76.104.221 port 57766
May 16 05:02:12 amsweb01 sshd[19525]: Failed password for invalid user oracle from 180.76.104.221 port 57766 ssh2
May 16 05:14:14 amsweb01 sshd[20432]: Invalid user postgres from 180.76.104.221 port 46198
May 16 05:14:16 amsweb01 sshd[20432]: Failed password for invalid user postgres from 180.76.104.221 port 46198 ssh2
May 16 05:17:15 amsweb01 sshd[20688]: User admin from 180.76.104.221 not allowed because not listed in AllowUsers
2020-05-17 00:24:06
37.152.178.44 attack
May 16 03:24:16 srv-ubuntu-dev3 sshd[18437]: Invalid user admin from 37.152.178.44
May 16 03:24:16 srv-ubuntu-dev3 sshd[18437]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.152.178.44
May 16 03:24:16 srv-ubuntu-dev3 sshd[18437]: Invalid user admin from 37.152.178.44
May 16 03:24:17 srv-ubuntu-dev3 sshd[18437]: Failed password for invalid user admin from 37.152.178.44 port 48600 ssh2
May 16 03:26:43 srv-ubuntu-dev3 sshd[18864]: Invalid user postgres from 37.152.178.44
May 16 03:26:43 srv-ubuntu-dev3 sshd[18864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.152.178.44
May 16 03:26:43 srv-ubuntu-dev3 sshd[18864]: Invalid user postgres from 37.152.178.44
May 16 03:26:45 srv-ubuntu-dev3 sshd[18864]: Failed password for invalid user postgres from 37.152.178.44 port 57788 ssh2
May 16 03:29:08 srv-ubuntu-dev3 sshd[19284]: Invalid user steam from 37.152.178.44
...
2020-05-16 23:38:17
94.232.63.128 attackbotsspam
May 16 08:42:12 itv-usvr-01 sshd[21120]: Invalid user user1 from 94.232.63.128
May 16 08:42:12 itv-usvr-01 sshd[21120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.232.63.128
May 16 08:42:12 itv-usvr-01 sshd[21120]: Invalid user user1 from 94.232.63.128
May 16 08:42:14 itv-usvr-01 sshd[21120]: Failed password for invalid user user1 from 94.232.63.128 port 2235 ssh2
May 16 08:47:06 itv-usvr-01 sshd[21314]: Invalid user vps from 94.232.63.128
2020-05-17 00:18:26
206.189.151.212 attackbotsspam
Invalid user router from 206.189.151.212 port 33698
2020-05-16 23:37:16
37.49.226.32 attackspambots
May 16 03:34:55 OPSO sshd\[16099\]: Invalid user "root from 37.49.226.32 port 40972
May 16 03:34:55 OPSO sshd\[16099\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.32
May 16 03:34:56 OPSO sshd\[16099\]: Failed password for invalid user "root from 37.49.226.32 port 40972 ssh2
May 16 03:35:00 OPSO sshd\[16101\]: Invalid user "default from 37.49.226.32 port 51290
May 16 03:35:00 OPSO sshd\[16101\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.49.226.32
2020-05-16 23:40:44
175.200.90.203 attack
Unauthorized connection attempt detected from IP address 175.200.90.203 to port 81
2020-05-17 00:11:02
142.93.130.58 attack
32602/tcp 4538/tcp 4110/tcp...
[2020-04-12/05-16]106pkt,38pt.(tcp)
2020-05-16 23:33:38
198.108.67.29 attackbotsspam
Automatic report - Banned IP Access
2020-05-17 00:04:11

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