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 Fujian Province Network

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Lines containing failures of 27.155.78.242
May  7 13:57:01 mx-in-02 sshd[32040]: Invalid user azureuser from 27.155.78.242 port 35414
May  7 13:57:01 mx-in-02 sshd[32040]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.155.78.242 
May  7 13:57:03 mx-in-02 sshd[32040]: Failed password for invalid user azureuser from 27.155.78.242 port 35414 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=27.155.78.242
2020-05-07 20:43:45
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 27.155.78.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31897
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			525	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020050700 1800 900 604800 86400

;; Query time: 102 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu May 07 20:43:41 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 242.78.155.27.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.78.155.27.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
74.82.47.16 attackbotsspam
srv02 Mass scanning activity detected Target: 9200  ..
2020-05-22 22:26:39
218.92.0.158 attack
May 22 09:54:04 NPSTNNYC01T sshd[15623]: Failed password for root from 218.92.0.158 port 17083 ssh2
May 22 09:54:07 NPSTNNYC01T sshd[15623]: Failed password for root from 218.92.0.158 port 17083 ssh2
May 22 09:54:17 NPSTNNYC01T sshd[15623]: error: maximum authentication attempts exceeded for root from 218.92.0.158 port 17083 ssh2 [preauth]
...
2020-05-22 22:36:07
195.9.123.218 attack
Spam detected 2020.05.18 13:12:11
blocked until 2020.06.12 09:43:34
2020-05-22 22:02:45
37.18.40.167 attackbotsspam
May 22 16:24:15 vps639187 sshd\[26855\]: Invalid user hxl from 37.18.40.167 port 3438
May 22 16:24:15 vps639187 sshd\[26855\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.18.40.167
May 22 16:24:17 vps639187 sshd\[26855\]: Failed password for invalid user hxl from 37.18.40.167 port 3438 ssh2
...
2020-05-22 22:31:57
201.134.248.44 attack
May 22 14:15:16 *** sshd[31986]: Invalid user kvq from 201.134.248.44
2020-05-22 22:32:18
201.159.95.94 attack
Spam detected 2020.05.17 14:18:24
blocked until 2020.06.11 10:49:47
2020-05-22 22:18:53
122.51.67.249 attack
May 22 14:33:52 mail sshd[12883]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.67.249 
May 22 14:33:54 mail sshd[12883]: Failed password for invalid user piv from 122.51.67.249 port 57198 ssh2
...
2020-05-22 22:28:49
190.109.170.105 attackspambots
To many IMAP authentication failed, Brute Force on email accounts
2020-05-22 22:19:20
50.192.49.195 attackspambots
Spam detected 2020.05.18 04:50:58
blocked until 2020.06.12 01:22:21
2020-05-22 22:14:29
195.112.197.19 attackspam
Spam detected 2020.05.18 14:11:10
blocked until 2020.06.12 10:42:33
2020-05-22 22:02:17
51.255.168.254 attack
May 22 15:14:33 mail sshd[27412]: Invalid user fut from 51.255.168.254
...
2020-05-22 22:14:16
43.229.153.76 attack
May 22 15:56:14 lukav-desktop sshd\[18972\]: Invalid user lyn from 43.229.153.76
May 22 15:56:14 lukav-desktop sshd\[18972\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.229.153.76
May 22 15:56:16 lukav-desktop sshd\[18972\]: Failed password for invalid user lyn from 43.229.153.76 port 56898 ssh2
May 22 15:59:38 lukav-desktop sshd\[19070\]: Invalid user ih from 43.229.153.76
May 22 15:59:38 lukav-desktop sshd\[19070\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.229.153.76
2020-05-22 22:40:06
85.194.250.138 attackspam
To many IMAP authentication failed, Brute Force on email accounts
2020-05-22 22:13:26
93.174.93.195 attackspam
93.174.93.195 was recorded 8 times by 4 hosts attempting to connect to the following ports: 40924,40925. Incident counter (4h, 24h, all-time): 8, 49, 9535
2020-05-22 22:34:38
211.157.152.3 attackspam
Spam detected 2020.05.18 09:24:34
blocked until 2020.06.12 05:55:57
2020-05-22 22:00:10

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