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: China Unicom

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '42.56.0.0 - 42.59.255.255'

% Abuse contact for '42.56.0.0 - 42.59.255.255' is 'zhaoyz3@chinaunicom.cn'

inetnum:        42.56.0.0 - 42.59.255.255
netname:        UNICOM-LN
descr:          UNICOM Liaoning Province Network
descr:          China Unicom
descr:          No.21, Jin-Rong Street
descr:          Beijing 100033
country:        CN
admin-c:        CH444-AP
tech-c:         ZB17-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:07:44Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-05-09T04:50:16Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-08T01:31:32Z
source:         APNIC

person:         CNCGroup Hostmaster
nic-hdl:        CH444-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Financial Street
address:        Beijing,100033,P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CN-CUCGROUP
last-modified:  2017-09-05T06:36:14Z
source:         APNIC

person:         ZHAO BO
address:        96,JieFang Road ChangChun 130021 China.
country:        CN
phone:          +86-431-8925217
fax-no:         +86-431-8925190
e-mail:         wtg@mail.jl.cn
nic-hdl:        ZB17-AP
mnt-by:         MAINT-CHINANET-JL
last-modified:  2008-09-04T07:30:04Z
source:         APNIC

% Information related to '42.56.0.0/14AS4837'

route:          42.56.0.0/14
descr:          China Unicom Liaoning Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2011-03-02T05:24:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 42.57.161.251
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45823
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.57.161.251.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026062602 1800 900 604800 86400

;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Jun 27 08:30:13 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 251.161.57.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 251.161.57.42.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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222.165.222.190 attack
Invalid user fatimac from 222.165.222.190 port 60320
2020-09-30 02:36:34
182.53.246.136 attackbotsspam
Unauthorized connection attempt from IP address 182.53.246.136 on Port 445(SMB)
2020-09-30 03:06:28
45.146.167.167 attack
RDP Brute-Force (honeypot 9)
2020-09-30 02:37:05
5.135.94.191 attackbots
Invalid user ghost5 from 5.135.94.191 port 51508
2020-09-30 02:44:46
188.166.238.120 attack
Fail2Ban Ban Triggered (2)
2020-09-30 03:01:11
117.247.238.10 attackspam
Sep 30 01:35:32 itv-usvr-02 sshd[23934]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.247.238.10  user=root
Sep 30 01:35:34 itv-usvr-02 sshd[23934]: Failed password for root from 117.247.238.10 port 45874 ssh2
Sep 30 01:41:22 itv-usvr-02 sshd[24200]: Invalid user nagios from 117.247.238.10 port 44886
Sep 30 01:41:22 itv-usvr-02 sshd[24200]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.247.238.10
Sep 30 01:41:22 itv-usvr-02 sshd[24200]: Invalid user nagios from 117.247.238.10 port 44886
Sep 30 01:41:24 itv-usvr-02 sshd[24200]: Failed password for invalid user nagios from 117.247.238.10 port 44886 ssh2
2020-09-30 02:44:34
109.92.179.3 attack
Automatic report - Banned IP Access
2020-09-30 03:05:10
91.240.118.76 attackbotsspam
TCP ports : 139 / 3354 / 3360 / 3393 / 3394 / 3395 / 3407 / 3497
2020-09-30 03:03:24
45.138.74.165 attackbots
Lines containing failures of 45.138.74.165
Sep 27 05:41:31 nbi-636 postfix/smtpd[19199]: warning: hostname 19639.vm.hostglobal.ws does not resolve to address 45.138.74.165
Sep 27 05:41:31 nbi-636 postfix/smtpd[19199]: connect from unknown[45.138.74.165]
Sep x@x
Sep 27 05:41:31 nbi-636 postfix/smtpd[19199]: disconnect from unknown[45.138.74.165] ehlo=1 mail=1 rcpt=0/1 quhostname=1 commands=3/4
Übereinsservermungen in Binärdatei /var/log/apache/pucorp.org.log


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.138.74.165
2020-09-30 02:50:16
154.221.30.212 attack
Invalid user adam from 154.221.30.212 port 43918
2020-09-30 02:46:05
117.6.211.161 attackspam
Brute forcing RDP port 3389
2020-09-30 02:43:42
178.59.96.141 attack
Invalid user brian from 178.59.96.141 port 44888
2020-09-30 03:04:18
136.232.239.86 attackbotsspam
20/9/28@16:32:55: FAIL: Alarm-Network address from=136.232.239.86
20/9/28@16:32:55: FAIL: Alarm-Network address from=136.232.239.86
...
2020-09-30 02:53:51
45.55.61.114 attackbots
45.55.61.114 - - [29/Sep/2020:18:49:41 +0200] "GET /wp-login.php HTTP/1.1" 200 8712 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.55.61.114 - - [29/Sep/2020:18:49:43 +0200] "POST /wp-login.php HTTP/1.1" 200 8942 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
45.55.61.114 - - [29/Sep/2020:18:49:44 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-09-30 02:42:42

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