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: Henan Telcom Union Technology Co. Ltd

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbotsspam
Dec  1 18:52:06 web1 sshd\[9374\]: Invalid user janke from 42.51.100.139
Dec  1 18:52:06 web1 sshd\[9374\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.100.139
Dec  1 18:52:08 web1 sshd\[9374\]: Failed password for invalid user janke from 42.51.100.139 port 38538 ssh2
Dec  1 18:59:00 web1 sshd\[10043\]: Invalid user turtle from 42.51.100.139
Dec  1 18:59:00 web1 sshd\[10043\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.51.100.139
2019-12-02 13:09:52
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.51.100.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 41312
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			474	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019120101 1800 900 604800 86400

;; Query time: 120 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Dec 02 13:09:49 CST 2019
;; MSG SIZE  rcvd: 117
Host info
139.100.51.42.in-addr.arpa domain name pointer idc.ly.ha.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
139.100.51.42.in-addr.arpa	name = idc.ly.ha.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.140 attackbotsspam
Jan 24 00:54:17 web9 sshd\[2666\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
Jan 24 00:54:19 web9 sshd\[2666\]: Failed password for root from 222.186.175.140 port 29046 ssh2
Jan 24 00:54:34 web9 sshd\[2687\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.140  user=root
Jan 24 00:54:36 web9 sshd\[2687\]: Failed password for root from 222.186.175.140 port 37190 ssh2
Jan 24 00:54:45 web9 sshd\[2687\]: Failed password for root from 222.186.175.140 port 37190 ssh2
2020-01-24 18:56:07
92.240.62.30 attackspam
Unauthorized connection attempt detected from IP address 92.240.62.30 to port 22 [J]
2020-01-24 18:54:17
49.88.112.110 attackbots
Jan 24 06:59:48 firewall sshd[9099]: Failed password for root from 49.88.112.110 port 10057 ssh2
Jan 24 07:00:35 firewall sshd[9150]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.110  user=root
Jan 24 07:00:37 firewall sshd[9150]: Failed password for root from 49.88.112.110 port 46728 ssh2
...
2020-01-24 19:31:52
80.250.217.50 attackbotsspam
Unauthorized connection attempt detected from IP address 80.250.217.50 to port 2220 [J]
2020-01-24 18:58:23
218.92.0.184 attackspambots
ssh bruteforce [3 failed attempts]
2020-01-24 19:33:14
94.23.204.130 attackbots
Jan 24 13:00:18 hosting sshd[14488]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns375462.ip-94-23-204.eu  user=admin
Jan 24 13:00:20 hosting sshd[14488]: Failed password for admin from 94.23.204.130 port 48242 ssh2
...
2020-01-24 19:32:22
196.157.167.142 attack
Fail2Ban Ban Triggered
2020-01-24 19:17:45
159.203.197.18 attack
" "
2020-01-24 18:50:33
125.70.244.4 attackspam
Unauthorized connection attempt detected from IP address 125.70.244.4 to port 2220 [J]
2020-01-24 19:05:22
218.92.0.210 attack
Jan 24 11:02:19 minden010 sshd[24472]: Failed password for root from 218.92.0.210 port 56032 ssh2
Jan 24 11:03:10 minden010 sshd[24763]: Failed password for root from 218.92.0.210 port 61721 ssh2
...
2020-01-24 19:07:40
115.44.243.152 attack
Unauthorized connection attempt detected from IP address 115.44.243.152 to port 2220 [J]
2020-01-24 19:24:53
222.184.101.98 attackbots
Jan 24 11:16:51 sigma sshd\[13003\]: Invalid user ftpuser from 222.184.101.98Jan 24 11:16:54 sigma sshd\[13003\]: Failed password for invalid user ftpuser from 222.184.101.98 port 12527 ssh2
...
2020-01-24 19:25:45
186.210.110.46 attackbotsspam
Automatic report - Port Scan Attack
2020-01-24 18:57:29
185.85.162.242 attackbots
0,75-01/01 [bc01/m12] PostRequest-Spammer scoring: luanda01
2020-01-24 19:28:11
80.227.68.4 attackspam
Invalid user florinda from 80.227.68.4 port 34574
2020-01-24 19:18:27

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