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: Taipei

Region: Taipei City

Country: Taiwan, China

Internet Service Provider: Chunghwa Telecom Co. Ltd.

Hostname: unknown

Organization: Data Communication Business Group

Usage Type: unknown

Comments:
Type Details Datetime
attack
Jan 22 20:00:38 ms-srv sshd[21698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.21.129.4
Jan 22 20:00:40 ms-srv sshd[21698]: Failed password for invalid user jenkins from 211.21.129.4 port 44868 ssh2
2020-02-16 02:02:01
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 211.21.129.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31780
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;211.21.129.4.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019041201 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Sat Apr 13 07:49:09 +08 2019
;; MSG SIZE  rcvd: 116

Host info
4.129.21.211.in-addr.arpa domain name pointer 211-21-129-4.HINET-IP.hinet.net.
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

Non-authoritative answer:
4.129.21.211.in-addr.arpa	name = 211-21-129-4.HINET-IP.hinet.net.

Authoritative answers can be found from:

Related IP info:
Related comments:
IP Type Details Datetime
223.68.169.180 attackspam
2020-07-31T21:31:17.778749shield sshd\[16292\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.68.169.180  user=root
2020-07-31T21:31:19.620385shield sshd\[16292\]: Failed password for root from 223.68.169.180 port 47348 ssh2
2020-07-31T21:34:40.348762shield sshd\[17476\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.68.169.180  user=root
2020-07-31T21:34:42.390872shield sshd\[17476\]: Failed password for root from 223.68.169.180 port 39908 ssh2
2020-07-31T21:38:18.307914shield sshd\[19081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.68.169.180  user=root
2020-08-01 05:40:55
85.209.0.103 attackbotsspam
Jul 31 23:48:52 debian-2gb-nbg1-2 kernel: \[18490616.056941\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=85.209.0.103 DST=195.201.40.59 LEN=60 TOS=0x00 PREC=0x00 TTL=55 ID=49769 DF PROTO=TCP SPT=58058 DPT=22 WINDOW=65535 RES=0x00 SYN URGP=0
2020-08-01 05:56:01
171.226.203.23 attack
Automatic report - Port Scan Attack
2020-08-01 06:07:23
1.119.195.58 attack
Jul 31 22:18:01 rocket sshd[22740]: Failed password for root from 1.119.195.58 port 55728 ssh2
Jul 31 22:22:05 rocket sshd[23402]: Failed password for root from 1.119.195.58 port 14121 ssh2
...
2020-08-01 05:36:44
118.254.99.165 attack
Automatic report - Port Scan Attack
2020-08-01 05:48:17
222.186.42.7 attack
Aug  1 00:11:12 piServer sshd[27666]: Failed password for root from 222.186.42.7 port 34538 ssh2
Aug  1 00:11:16 piServer sshd[27666]: Failed password for root from 222.186.42.7 port 34538 ssh2
Aug  1 00:11:18 piServer sshd[27666]: Failed password for root from 222.186.42.7 port 34538 ssh2
...
2020-08-01 06:13:34
124.127.206.4 attackspam
Invalid user tiana from 124.127.206.4 port 57698
2020-08-01 06:03:53
185.176.27.2 attack
07/31/2020-16:32:55.608760 185.176.27.2 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2020-08-01 05:45:18
188.170.204.52 attack
Unauthorized connection attempt from IP address 188.170.204.52 on Port 445(SMB)
2020-08-01 06:15:26
151.80.148.84 attackbotsspam
B: There is NO wordpress hosted!
2020-08-01 06:10:37
5.233.142.248 attackspam
Unauthorized connection attempt from IP address 5.233.142.248 on Port 445(SMB)
2020-08-01 06:14:01
87.251.74.30 attack
2020-07-31T21:46:09.429476vps1033 sshd[21367]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.251.74.30
2020-07-31T21:46:09.276982vps1033 sshd[21367]: Invalid user user from 87.251.74.30 port 49400
2020-07-31T21:46:11.392130vps1033 sshd[21367]: Failed password for invalid user user from 87.251.74.30 port 49400 ssh2
2020-07-31T21:46:12.537162vps1033 sshd[21469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=87.251.74.30  user=root
2020-07-31T21:46:14.580279vps1033 sshd[21469]: Failed password for root from 87.251.74.30 port 55638 ssh2
...
2020-08-01 06:06:39
106.12.206.3 attackbotsspam
Jul 31 23:09:57 abendstille sshd\[11280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.206.3  user=root
Jul 31 23:10:00 abendstille sshd\[11280\]: Failed password for root from 106.12.206.3 port 51726 ssh2
Jul 31 23:14:41 abendstille sshd\[16071\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.206.3  user=root
Jul 31 23:14:43 abendstille sshd\[16071\]: Failed password for root from 106.12.206.3 port 33350 ssh2
Jul 31 23:19:15 abendstille sshd\[21165\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.206.3  user=root
...
2020-08-01 05:42:25
82.81.215.149 attackspam
Automatic report - Banned IP Access
2020-08-01 05:40:32
111.229.28.34 attack
Jul 31 22:34:06 ajax sshd[24189]: Failed password for root from 111.229.28.34 port 53514 ssh2
2020-08-01 05:56:50

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