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 <<>> 164.144.121.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53243
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;164.144.121.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012700 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jan 27 14:45:12 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.121.144.164.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.121.144.164.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
193.27.228.216 attackbots
Attempted to establish connection to non opened port 10523
2020-08-08 12:34:10
106.12.87.149 attackspam
Aug  8 01:58:38 vps46666688 sshd[1518]: Failed password for root from 106.12.87.149 port 56166 ssh2
...
2020-08-08 13:05:50
142.93.247.221 attack
Aug  8 00:35:03 NPSTNNYC01T sshd[13971]: Failed password for root from 142.93.247.221 port 60876 ssh2
Aug  8 00:39:34 NPSTNNYC01T sshd[14336]: Failed password for root from 142.93.247.221 port 43046 ssh2
...
2020-08-08 13:05:18
1.202.118.111 attackspambots
Brute-force attempt banned
2020-08-08 12:36:00
96.44.144.122 attack
Unauthorized IMAP connection attempt
2020-08-08 12:51:36
113.173.170.189 attackspam
Unauthorized IMAP connection attempt
2020-08-08 13:02:40
61.177.172.41 attackspambots
Aug  8 06:23:44 server sshd[32702]: Failed none for root from 61.177.172.41 port 40656 ssh2
Aug  8 06:23:46 server sshd[32702]: Failed password for root from 61.177.172.41 port 40656 ssh2
Aug  8 06:23:52 server sshd[32702]: Failed password for root from 61.177.172.41 port 40656 ssh2
2020-08-08 12:29:51
45.227.253.62 attackbotsspam
21 attempts against mh-misbehave-ban on air
2020-08-08 12:54:39
61.177.172.168 attack
2020-08-08T08:07:03.027018afi-git.jinr.ru sshd[2697]: Failed password for root from 61.177.172.168 port 40793 ssh2
2020-08-08T08:07:06.234980afi-git.jinr.ru sshd[2697]: Failed password for root from 61.177.172.168 port 40793 ssh2
2020-08-08T08:07:09.853415afi-git.jinr.ru sshd[2697]: Failed password for root from 61.177.172.168 port 40793 ssh2
2020-08-08T08:07:09.853567afi-git.jinr.ru sshd[2697]: error: maximum authentication attempts exceeded for root from 61.177.172.168 port 40793 ssh2 [preauth]
2020-08-08T08:07:09.853581afi-git.jinr.ru sshd[2697]: Disconnecting: Too many authentication failures [preauth]
...
2020-08-08 13:07:58
222.186.30.35 attackspam
SSH Brute-force
2020-08-08 12:52:17
164.90.189.77 attackspam
Aug  8 06:58:47 venus kernel: [50232.214539] [UFW BLOCK] IN=eth0 OUT= MAC=96:00:00:66:8f:ed:d2:74:7f:6e:37:e3:08:00 SRC=164.90.189.77 DST=78.47.70.226 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=45390 PROTO=TCP SPT=58922 DPT=8020 WINDOW=1024 RES=0x00 SYN URGP=0
2020-08-08 12:45:25
129.28.78.8 attackspam
Aug  8 05:54:54 vmd17057 sshd[11771]: Failed password for root from 129.28.78.8 port 54962 ssh2
...
2020-08-08 12:57:37
106.75.25.114 attack
Aug  8 05:47:17 ns382633 sshd\[3831\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.25.114  user=root
Aug  8 05:47:19 ns382633 sshd\[3831\]: Failed password for root from 106.75.25.114 port 41308 ssh2
Aug  8 05:55:26 ns382633 sshd\[5415\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.25.114  user=root
Aug  8 05:55:28 ns382633 sshd\[5415\]: Failed password for root from 106.75.25.114 port 38968 ssh2
Aug  8 05:58:42 ns382633 sshd\[5626\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.25.114  user=root
2020-08-08 12:49:06
129.28.191.35 attack
Aug  8 03:58:49 scw-6657dc sshd[5776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.191.35  user=root
Aug  8 03:58:49 scw-6657dc sshd[5776]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.191.35  user=root
Aug  8 03:58:51 scw-6657dc sshd[5776]: Failed password for root from 129.28.191.35 port 47790 ssh2
...
2020-08-08 12:41:15
210.97.40.102 attack
$f2bV_matches
2020-08-08 13:06:50

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