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: China

Internet Service Provider: ChinaNet Yunnan Province Network

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Lines containing failures of 116.55.34.21
Jul 11 06:50:01 server-name sshd[11164]: Invalid user admin from 116.55.34.21 port 52544
Jul 11 06:50:01 server-name sshd[11164]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.55.34.21 
Jul 11 06:50:04 server-name sshd[11164]: Failed password for invalid user admin from 116.55.34.21 port 52544 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=116.55.34.21
2019-07-12 05:49:51
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 116.55.34.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4222
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071101 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Fri Jul 12 05:49:44 CST 2019
;; MSG SIZE  rcvd: 116
Host info
21.34.55.116.in-addr.arpa domain name pointer 21.34.55.116.broad.km.yn.dynamic.163data.com.cn.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.34.55.116.in-addr.arpa	name = 21.34.55.116.broad.km.yn.dynamic.163data.com.cn.

Authoritative answers can be found from:

Related IP info:
Related comments:
IP Type Details Datetime
222.186.160.114 attack
2020-08-16T00:02:31.336256lavrinenko.info sshd[30322]: Failed password for root from 222.186.160.114 port 57120 ssh2
2020-08-16T00:04:39.278117lavrinenko.info sshd[30383]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.160.114  user=root
2020-08-16T00:04:40.970705lavrinenko.info sshd[30383]: Failed password for root from 222.186.160.114 port 35586 ssh2
2020-08-16T00:06:39.331906lavrinenko.info sshd[30404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.160.114  user=root
2020-08-16T00:06:41.165100lavrinenko.info sshd[30404]: Failed password for root from 222.186.160.114 port 41790 ssh2
...
2020-08-16 05:12:39
104.248.56.150 attackspam
Aug 15 16:57:08 NPSTNNYC01T sshd[16215]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.56.150
Aug 15 16:57:11 NPSTNNYC01T sshd[16215]: Failed password for invalid user cnlinkIDC@2016 from 104.248.56.150 port 41130 ssh2
Aug 15 17:00:52 NPSTNNYC01T sshd[16554]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.248.56.150
...
2020-08-16 05:14:35
191.232.211.54 attackbotsspam
Unauthorized connection attempt detected from IP address 191.232.211.54 to port 8080 [T]
2020-08-16 04:40:34
157.245.142.218 attack
Aug 15 22:43:05 ns381471 sshd[7565]: Failed password for root from 157.245.142.218 port 37624 ssh2
2020-08-16 05:18:20
122.156.219.212 attackbots
Aug 15 22:46:35 rancher-0 sshd[1099068]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.156.219.212  user=root
Aug 15 22:46:37 rancher-0 sshd[1099068]: Failed password for root from 122.156.219.212 port 16062 ssh2
...
2020-08-16 05:09:46
43.254.59.246 attack
Aug 15 21:14:45 *** sshd[27112]: User root from 43.254.59.246 not allowed because not listed in AllowUsers
2020-08-16 05:20:48
217.182.204.34 attackspambots
Aug 15 22:47:03 rancher-0 sshd[1099080]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.204.34  user=root
Aug 15 22:47:05 rancher-0 sshd[1099080]: Failed password for root from 217.182.204.34 port 39492 ssh2
...
2020-08-16 04:51:10
123.207.211.71 attackbots
Aug 15 16:39:27 NPSTNNYC01T sshd[14771]: Failed password for root from 123.207.211.71 port 51314 ssh2
Aug 15 16:43:17 NPSTNNYC01T sshd[15064]: Failed password for root from 123.207.211.71 port 57490 ssh2
...
2020-08-16 04:47:44
60.2.224.234 attackbotsspam
bruteforce detected
2020-08-16 05:06:32
222.186.173.183 attack
Aug 15 20:46:29 email sshd\[18931\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.183  user=root
Aug 15 20:46:31 email sshd\[18931\]: Failed password for root from 222.186.173.183 port 44452 ssh2
Aug 15 20:46:47 email sshd\[18983\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.183  user=root
Aug 15 20:46:49 email sshd\[18983\]: Failed password for root from 222.186.173.183 port 49000 ssh2
Aug 15 20:46:52 email sshd\[18983\]: Failed password for root from 222.186.173.183 port 49000 ssh2
...
2020-08-16 05:00:49
188.165.230.118 attackspam
188.165.230.118 - - [15/Aug/2020:21:59:07 +0100] "POST /wp-login.php HTTP/1.1" 200 6354 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
188.165.230.118 - - [15/Aug/2020:22:00:44 +0100] "POST /wp-login.php HTTP/1.1" 200 6354 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
188.165.230.118 - - [15/Aug/2020:22:02:17 +0100] "POST /wp-login.php HTTP/1.1" 200 6354 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-08-16 05:07:21
103.145.12.14 attack
103.145.12.14 was recorded 5 times by 4 hosts attempting to connect to the following ports: 5060. Incident counter (4h, 24h, all-time): 5, 20, 39
2020-08-16 05:10:15
106.13.29.92 attackbotsspam
Aug 15 22:42:46 abendstille sshd\[21864\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.29.92  user=root
Aug 15 22:42:49 abendstille sshd\[21864\]: Failed password for root from 106.13.29.92 port 60320 ssh2
Aug 15 22:44:52 abendstille sshd\[23719\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.29.92  user=root
Aug 15 22:44:54 abendstille sshd\[23719\]: Failed password for root from 106.13.29.92 port 33326 ssh2
Aug 15 22:46:54 abendstille sshd\[25727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.29.92  user=root
...
2020-08-16 04:58:16
222.186.190.14 attackspambots
Aug 15 17:12:55 ny01 sshd[16888]: Failed password for root from 222.186.190.14 port 40955 ssh2
Aug 15 17:12:56 ny01 sshd[16888]: Failed password for root from 222.186.190.14 port 40955 ssh2
Aug 15 17:12:59 ny01 sshd[16888]: Failed password for root from 222.186.190.14 port 40955 ssh2
2020-08-16 05:19:37
190.144.79.157 attackbotsspam
Brute-force attempt banned
2020-08-16 05:10:54

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