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 <<>> 21.73.74.52
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3410
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.73.74.52.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020501 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 06 02:20:03 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 52.74.73.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 52.74.73.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.35.130.177 attackspam
Mar 18 04:49:23 mail sshd\[19383\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.35.130.177  user=root
Mar 18 04:49:25 mail sshd\[19383\]: Failed password for root from 112.35.130.177 port 46236 ssh2
Mar 18 04:53:59 mail sshd\[19397\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.35.130.177  user=root
...
2020-03-18 13:27:56
185.176.27.114 attackbots
03/17/2020-23:54:29.763293 185.176.27.114 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-03-18 13:01:48
51.83.57.157 attackbotsspam
Brute force attempt
2020-03-18 13:18:11
118.77.137.135 attack
Mar 18 04:54:15 debian-2gb-nbg1-2 kernel: \[6762767.822682\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=118.77.137.135 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=42 ID=24811 PROTO=TCP SPT=30164 DPT=23 WINDOW=51609 RES=0x00 SYN URGP=0
2020-03-18 13:15:29
203.189.142.33 attackbots
Mar 18 04:51:19 mail.srvfarm.net postfix/smtpd[1293548]: NOQUEUE: reject: RCPT from unknown[203.189.142.33]: 554 5.7.1 Service unavailable; Client host [203.189.142.33] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?203.189.142.33; from= to= proto=ESMTP helo=
Mar 18 04:51:20 mail.srvfarm.net postfix/smtpd[1293548]: NOQUEUE: reject: RCPT from unknown[203.189.142.33]: 554 5.7.1 Service unavailable; Client host [203.189.142.33] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?203.189.142.33; from= to= proto=ESMTP helo=
Mar 18 04:51:21 mail.srvfarm.net postfix/smtpd[1293548]: NOQUEUE: reject: RCPT from unknown[203.189.142.33]: 554 5.7.1 Service unavailable; Client host [203.189.142.33] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?203.18
2020-03-18 13:25:48
103.45.191.4 attack
Mar 18 05:07:08 OPSO sshd\[19176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.45.191.4  user=root
Mar 18 05:07:11 OPSO sshd\[19176\]: Failed password for root from 103.45.191.4 port 57120 ssh2
Mar 18 05:11:20 OPSO sshd\[19788\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.45.191.4  user=root
Mar 18 05:11:22 OPSO sshd\[19788\]: Failed password for root from 103.45.191.4 port 46716 ssh2
Mar 18 05:15:34 OPSO sshd\[20718\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.45.191.4  user=root
2020-03-18 12:52:02
118.24.153.214 attackbotsspam
2020-03-18T03:51:12.277247shield sshd\[21742\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.153.214  user=root
2020-03-18T03:51:14.540928shield sshd\[21742\]: Failed password for root from 118.24.153.214 port 59802 ssh2
2020-03-18T03:52:39.235881shield sshd\[21957\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.153.214  user=root
2020-03-18T03:52:41.109575shield sshd\[21957\]: Failed password for root from 118.24.153.214 port 48342 ssh2
2020-03-18T03:54:07.588387shield sshd\[22186\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.153.214  user=root
2020-03-18 13:21:05
102.134.164.150 attack
2020-03-18T03:54:07.236787homeassistant sshd[23774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=102.134.164.150  user=root
2020-03-18T03:54:09.192018homeassistant sshd[23774]: Failed password for root from 102.134.164.150 port 53732 ssh2
...
2020-03-18 13:20:46
67.207.89.207 attackbots
Mar 18 00:51:55 firewall sshd[9456]: Failed password for root from 67.207.89.207 port 38008 ssh2
Mar 18 00:54:32 firewall sshd[9711]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.207.89.207  user=root
Mar 18 00:54:34 firewall sshd[9711]: Failed password for root from 67.207.89.207 port 60100 ssh2
...
2020-03-18 12:57:12
165.22.208.25 attack
Mar 18 01:54:47 ws24vmsma01 sshd[4177]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.208.25
Mar 18 01:54:48 ws24vmsma01 sshd[4177]: Failed password for invalid user admin from 165.22.208.25 port 48282 ssh2
...
2020-03-18 13:07:50
47.8.142.215 attackbotsspam
20/3/17@23:54:36: FAIL: Alarm-Intrusion address from=47.8.142.215
...
2020-03-18 12:53:58
222.186.173.154 attack
Mar 18 04:04:04 v22018086721571380 sshd[19594]: error: maximum authentication attempts exceeded for root from 222.186.173.154 port 10796 ssh2 [preauth]
Mar 18 06:20:59 v22018086721571380 sshd[15994]: error: maximum authentication attempts exceeded for root from 222.186.173.154 port 22604 ssh2 [preauth]
2020-03-18 13:22:02
212.64.57.124 attackbotsspam
Brute-force attempt banned
2020-03-18 13:42:30
222.186.175.217 attackspambots
Mar 18 05:52:10 santamaria sshd\[8400\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.217  user=root
Mar 18 05:52:12 santamaria sshd\[8400\]: Failed password for root from 222.186.175.217 port 38092 ssh2
Mar 18 05:52:29 santamaria sshd\[8402\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.217  user=root
...
2020-03-18 12:58:10
175.6.35.52 attackspam
Mar 18 05:48:06 vpn01 sshd[18200]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.6.35.52
Mar 18 05:48:09 vpn01 sshd[18200]: Failed password for invalid user userftp from 175.6.35.52 port 60588 ssh2
...
2020-03-18 13:22:57

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