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 <<>> 21.172.252.135
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32848
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.172.252.135.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 34 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 15:23:54 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 135.252.172.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 135.252.172.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.38.145.6 attackspambots
2020-07-04T05:38:35.476455linuxbox-skyline auth[557219]: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=nebula rhost=46.38.145.6
...
2020-07-04 19:39:51
45.238.23.112 attackspambots
2020-07-0409:15:041jrcO8-0007ek-0Z\<=info@whatsup2013.chH=\(localhost\)[197.53.135.144]:50332P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2896id=0754ffaca78c5955723781d226e16b67522371af@whatsup2013.chT="Thisyourpersonalsexclubinvite"forcarlostowers43@gmail.comhajav27587@tashjw.comudaysirsat215@gmail.com2020-07-0409:14:401jrcNj-0007cl-OX\<=info@whatsup2013.chH=\(localhost\)[45.238.23.112]:56330P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2880id=2a6ed88b80ab81891510a60aed99b3a9eb4edb@whatsup2013.chT="Thisyourownsexclubinvitation"forjuniorcadet75@gmail.comrupamkolta328@gmail.comdavid_oyedeji@outlook.com2020-07-0409:17:051jrcQ5-0007mS-10\<=info@whatsup2013.chH=\(localhost\)[123.21.132.191]:32780P=esmtpsaX=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256CV=noA=dovecot_login:info@whatsup2013.chS=2928id=a77412414a61b4b89fda6c3fcb0c868abfb178a0@whatsup2013.chT="Thefollowingisyouradultclubpartyinvite"forearlyrains1958@gmail.comjame
2020-07-04 19:15:29
2.57.122.96 attackbotsspam
Unauthorized connection attempt detected from IP address 2.57.122.96 to port 23
2020-07-04 19:23:03
51.75.126.115 attackspambots
Jul  4 10:48:25 jumpserver sshd[336789]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.126.115 
Jul  4 10:48:25 jumpserver sshd[336789]: Invalid user ubuntu from 51.75.126.115 port 33642
Jul  4 10:48:27 jumpserver sshd[336789]: Failed password for invalid user ubuntu from 51.75.126.115 port 33642 ssh2
...
2020-07-04 19:33:44
213.202.228.43 attackspam
20 attempts against mh-ssh on sea
2020-07-04 19:57:28
54.39.22.191 attackspambots
Jul  4 09:17:21  sshd\[13680\]: Invalid user mes from 54.39.22.191Jul  4 09:17:23  sshd\[13680\]: Failed password for invalid user mes from 54.39.22.191 port 52048 ssh2
...
2020-07-04 19:26:25
182.203.78.189 attackbots
Automatic report - Port Scan Attack
2020-07-04 19:54:02
112.122.5.6 attackbots
Jul  4 07:53:08 firewall sshd[2144]: Invalid user oz from 112.122.5.6
Jul  4 07:53:10 firewall sshd[2144]: Failed password for invalid user oz from 112.122.5.6 port 42701 ssh2
Jul  4 08:00:18 firewall sshd[2279]: Invalid user jasper from 112.122.5.6
...
2020-07-04 19:27:30
167.160.74.236 attackbotsspam
US - - [03/Jul/2020:16:42:29 +0300] GET /go.php?https://articlegift.com HTTP/1.0 403 292 http://www.forseo.ru/go.php?https://www.aishamassage.com%2Ftantric-massage-in-london%2F Mozilla/5.0 Windows NT 6.3; WOW64 AppleWebKit/537.36 KHTML, like Gecko Chrome/64.0.3282.186 YaBrowser/18.3.1.1232 Yowser/2.5 Safari/537.36
2020-07-04 19:27:14
144.217.93.78 attack
Jul  4 10:13:23 ajax sshd[20735]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.93.78 
Jul  4 10:13:25 ajax sshd[20735]: Failed password for invalid user ftpuser from 144.217.93.78 port 51078 ssh2
2020-07-04 19:56:11
222.186.180.17 attack
Jul  4 13:40:34 melroy-server sshd[2371]: Failed password for root from 222.186.180.17 port 32846 ssh2
Jul  4 13:40:38 melroy-server sshd[2371]: Failed password for root from 222.186.180.17 port 32846 ssh2
...
2020-07-04 19:47:52
39.98.244.128 attack
Jul  4 11:27:02 vps687878 sshd\[8659\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.98.244.128  user=root
Jul  4 11:27:03 vps687878 sshd\[8659\]: Failed password for root from 39.98.244.128 port 60738 ssh2
Jul  4 11:27:55 vps687878 sshd\[8869\]: Invalid user wlw from 39.98.244.128 port 39350
Jul  4 11:27:55 vps687878 sshd\[8869\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=39.98.244.128
Jul  4 11:27:57 vps687878 sshd\[8869\]: Failed password for invalid user wlw from 39.98.244.128 port 39350 ssh2
...
2020-07-04 19:39:08
212.129.139.59 attackspambots
Jul  4 10:00:04 lnxded64 sshd[29045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.139.59
2020-07-04 19:17:20
218.92.0.133 attackspambots
Jul 4 13:35:54 *host* sshd\[18862\]: Unable to negotiate with 218.92.0.133 port 9502: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 \[preauth\]
2020-07-04 19:42:13
5.196.75.47 attackbots
2020-07-04T07:11:24.418844xentho-1 sshd[854519]: Invalid user atul from 5.196.75.47 port 33952
2020-07-04T07:11:26.504385xentho-1 sshd[854519]: Failed password for invalid user atul from 5.196.75.47 port 33952 ssh2
2020-07-04T07:13:37.729335xentho-1 sshd[854562]: Invalid user dg from 5.196.75.47 port 46720
2020-07-04T07:13:37.738390xentho-1 sshd[854562]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.47
2020-07-04T07:13:37.729335xentho-1 sshd[854562]: Invalid user dg from 5.196.75.47 port 46720
2020-07-04T07:13:39.078991xentho-1 sshd[854562]: Failed password for invalid user dg from 5.196.75.47 port 46720 ssh2
2020-07-04T07:15:56.471850xentho-1 sshd[854609]: Invalid user test from 5.196.75.47 port 59490
2020-07-04T07:15:56.479295xentho-1 sshd[854609]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.196.75.47
2020-07-04T07:15:56.471850xentho-1 sshd[854609]: Invalid user test from 5.196.75.47 port
...
2020-07-04 19:26:58

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