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: Unicom Liaoning Province Network

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Dec 25 01:13:55 esmtp postfix/smtpd[1358]: lost connection after AUTH from unknown[42.55.180.112]
Dec 25 01:14:00 esmtp postfix/smtpd[1341]: lost connection after AUTH from unknown[42.55.180.112]
Dec 25 01:14:17 esmtp postfix/smtpd[1358]: lost connection after AUTH from unknown[42.55.180.112]
Dec 25 01:14:26 esmtp postfix/smtpd[1358]: lost connection after AUTH from unknown[42.55.180.112]
Dec 25 01:14:30 esmtp postfix/smtpd[1341]: lost connection after AUTH from unknown[42.55.180.112]

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=42.55.180.112
2019-12-25 17:07:43
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.55.180.112
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 25324
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			480	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019122500 1800 900 604800 86400

;; Query time: 91 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Dec 25 17:07:39 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 112.180.55.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 112.180.55.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
203.221.33.86 attackbots
23/tcp
[2019-06-26]1pkt
2019-06-27 02:23:52
220.172.62.201 attack
2019-06-26T13:10:22.861849abusebot-5.cloudsearch.cf sshd\[13133\]: Invalid user admin from 220.172.62.201 port 49182
2019-06-27 02:33:11
36.92.5.11 attackspambots
19/6/26@09:11:15: FAIL: Alarm-Intrusion address from=36.92.5.11
...
2019-06-27 02:00:25
139.59.61.77 attackbots
abasicmove.de 139.59.61.77 \[26/Jun/2019:15:10:50 +0200\] "POST /wp-login.php HTTP/1.1" 200 5759 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
abasicmove.de 139.59.61.77 \[26/Jun/2019:15:10:52 +0200\] "POST /wp-login.php HTTP/1.1" 200 5558 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-06-27 02:13:54
14.243.116.80 attack
445/tcp 445/tcp
[2019-06-26]2pkt
2019-06-27 02:16:56
84.18.119.179 attackbotsspam
Unauthorized connection attempt from IP address 84.18.119.179 on Port 445(SMB)
2019-06-27 02:05:56
115.29.5.66 attackbotsspam
TCP src-port=53730   dst-port=25    dnsbl-sorbs abuseat-org barracuda         (898)
2019-06-27 01:49:09
218.54.48.99 attack
firewall-block, port(s): 23/tcp
2019-06-27 02:35:00
131.100.219.3 attackbots
Jun 26 16:05:01 vmd17057 sshd\[14883\]: Invalid user minecraft from 131.100.219.3 port 59076
Jun 26 16:05:02 vmd17057 sshd\[14883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=131.100.219.3
Jun 26 16:05:03 vmd17057 sshd\[14883\]: Failed password for invalid user minecraft from 131.100.219.3 port 59076 ssh2
...
2019-06-27 02:03:52
61.219.11.153 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-06-27 02:01:17
110.49.53.18 attackbotsspam
Unauthorized connection attempt from IP address 110.49.53.18 on Port 445(SMB)
2019-06-27 02:15:43
110.156.149.19 attackbots
23/tcp
[2019-06-26]1pkt
2019-06-27 02:26:38
184.105.139.79 attackbots
11211/tcp 6379/tcp 548/tcp...
[2019-04-27/06-26]25pkt,10pt.(tcp),1pt.(udp)
2019-06-27 01:55:23
62.12.69.144 attackbots
5555/tcp
[2019-06-26]1pkt
2019-06-27 02:15:20
190.5.104.178 attack
Unauthorized connection attempt from IP address 190.5.104.178 on Port 445(SMB)
2019-06-27 02:32:02

Recently Reported IPs

156.51.19.105 135.189.253.35 175.195.237.177 77.205.142.146
164.29.8.4 116.239.254.100 27.66.8.207 204.93.193.178
128.71.241.67 125.140.242.236 37.255.192.255 221.215.203.218
171.8.68.12 14.189.145.199 172.104.152.23 168.232.130.154
125.214.51.215 95.167.150.10 41.238.68.132 171.233.164.118