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 <<>> 21.103.52.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35044
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.103.52.172.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022001 1800 900 604800 86400

;; Query time: 36 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 21 01:51:45 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 172.52.103.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.52.103.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
173.50.83.72 attackspambots
port scan and connect, tcp 23 (telnet)
2020-06-28 00:07:20
49.88.90.57 attackbotsspam
" "
2020-06-28 00:14:09
74.82.47.53 attackspambots
Jun 27 14:19:30 debian-2gb-nbg1-2 kernel: \[15519022.844103\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=74.82.47.53 DST=195.201.40.59 LEN=29 TOS=0x00 PREC=0x00 TTL=52 ID=13705 DF PROTO=UDP SPT=17640 DPT=17 LEN=9
2020-06-27 23:41:46
181.164.132.26 attackbotsspam
Jun 27 14:02:43 master sshd[312]: Failed password for invalid user scp from 181.164.132.26 port 51482 ssh2
Jun 27 14:10:24 master sshd[447]: Failed password for invalid user tmp from 181.164.132.26 port 48464 ssh2
Jun 27 14:17:24 master sshd[564]: Failed password for invalid user kafka from 181.164.132.26 port 41194 ssh2
Jun 27 14:24:04 master sshd[647]: Failed password for invalid user emv from 181.164.132.26 port 33922 ssh2
Jun 27 14:30:43 master sshd[1125]: Failed password for invalid user patrol from 181.164.132.26 port 54868 ssh2
Jun 27 14:37:29 master sshd[1171]: Failed password for invalid user shaun from 181.164.132.26 port 47594 ssh2
Jun 27 14:43:43 master sshd[1285]: Failed password for invalid user voip from 181.164.132.26 port 40320 ssh2
Jun 27 14:50:14 master sshd[1408]: Failed password for invalid user ohm from 181.164.132.26 port 33046 ssh2
Jun 27 14:56:47 master sshd[1456]: Failed password for root from 181.164.132.26 port 53996 ssh2
2020-06-27 23:48:20
36.92.174.133 attackspambots
Brute force attempt
2020-06-28 00:25:14
186.206.129.160 attackbotsspam
Jun 27 17:23:12 h1745522 sshd[28758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.206.129.160  user=root
Jun 27 17:23:14 h1745522 sshd[28758]: Failed password for root from 186.206.129.160 port 52256 ssh2
Jun 27 17:28:11 h1745522 sshd[29102]: Invalid user db2inst3 from 186.206.129.160 port 49849
Jun 27 17:28:11 h1745522 sshd[29102]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.206.129.160
Jun 27 17:28:11 h1745522 sshd[29102]: Invalid user db2inst3 from 186.206.129.160 port 49849
Jun 27 17:28:13 h1745522 sshd[29102]: Failed password for invalid user db2inst3 from 186.206.129.160 port 49849 ssh2
Jun 27 17:31:20 h1745522 sshd[29383]: Invalid user gitlab-runner from 186.206.129.160 port 39064
Jun 27 17:31:20 h1745522 sshd[29383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.206.129.160
Jun 27 17:31:20 h1745522 sshd[29383]: Invalid user gitlab-runner 
...
2020-06-28 00:14:29
188.148.8.201 attackbotsspam
Jun 27 17:31:07 abendstille sshd\[22059\]: Invalid user hjy from 188.148.8.201
Jun 27 17:31:07 abendstille sshd\[22059\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.148.8.201
Jun 27 17:31:09 abendstille sshd\[22059\]: Failed password for invalid user hjy from 188.148.8.201 port 44178 ssh2
Jun 27 17:34:29 abendstille sshd\[25532\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.148.8.201  user=root
Jun 27 17:34:32 abendstille sshd\[25532\]: Failed password for root from 188.148.8.201 port 43294 ssh2
...
2020-06-27 23:40:52
180.243.73.210 attackspambots
1593260361 - 06/27/2020 19:19:21 Host: 180.243.73.210/180.243.73.210 Port: 12 TCP Blocked
...
2020-06-27 23:50:45
5.202.140.207 attackbotsspam
20/6/27@08:19:26: FAIL: Alarm-Network address from=5.202.140.207
...
2020-06-27 23:46:35
122.160.233.137 attack
DATE:2020-06-27 16:19:10, IP:122.160.233.137, PORT:ssh SSH brute force auth (docker-dc)
2020-06-27 23:36:56
103.92.24.253 attackspambots
odoo8
...
2020-06-27 23:52:42
59.127.196.44 attackspambots
Port Scan detected!
...
2020-06-27 23:47:10
83.254.88.5 attackbots
 TCP (SYN) 83.254.88.5:3499 -> port 23, len 44
2020-06-27 23:40:27
168.0.130.179 attackspambots
 TCP (SYN) 168.0.130.179:21378 -> port 23, len 44
2020-06-28 00:12:50
185.56.81.52 attackspam
SmallBizIT.US 5 packets to udp(1434)
2020-06-28 00:13:22

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