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 '101.16.0.0 - 101.31.255.255'

% Abuse contact for '101.16.0.0 - 101.31.255.255' is 'hqs-ipabuse@chinaunicom.cn'

inetnum:        101.16.0.0 - 101.31.255.255
netname:        CNCGROUP-HE
descr:          China Unicom Hebei province network
descr:          China Unicom
descr:          No.21,Ji-Rong Street,
descr:          Beijing 100140
country:        CN
admin-c:        CH455-AP
tech-c:         KL984-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-lower:      MAINT-CNCGROUP-HE
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:32:34Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         hqs-ipabuse@chinaunicom.cn
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-08-19T00:57:22Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-20T03:22:23Z
source:         APNIC

role:           CNCGroup Hostmaster
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.156,Fu-Xing-Men-Nei Street,
address:        Beijing,100031,P.R.China
nic-hdl:        CH455-AP
phone:          +86-10-82993155
fax-no:         +86-10-82993102
country:        CN
admin-c:        CH444-AP
tech-c:         CH444-AP
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:15Z
source:         APNIC

person:         Kong Lingfei
nic-hdl:        KL984-AP
e-mail:         konglf5@chinaunicom.cn
address:        45, Guang An Street, Shi Jiazhuang City, HeBei Province,050011,CN
phone:          +86-311-86681601
fax-no:         +86-311-86689210
country:        cn
mnt-by:         MAINT-CNCGROUP-HE
last-modified:  2009-02-06T02:31:32Z
source:         APNIC

% Information related to '101.16.0.0/12AS4837'

route:          101.16.0.0/12
descr:          China Unicom Hebei Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2010-12-31T02:58:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 101.23.161.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46863
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;101.23.161.55.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026083101 1800 900 604800 86400

;; Query time: 32 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Sep 01 02:30:40 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 55.161.23.101.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.161.23.101.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
120.131.15.71 attackbotsspam
RDP Scan
2019-10-18 22:38:03
181.45.227.38 attack
Fail2Ban Ban Triggered
2019-10-18 23:01:28
202.98.248.123 attackbotsspam
2019-09-24 13:04:32,604 fail2ban.actions        [818]: NOTICE  [sshd] Ban 202.98.248.123
2019-09-24 16:10:21,102 fail2ban.actions        [818]: NOTICE  [sshd] Ban 202.98.248.123
2019-09-24 19:23:21,140 fail2ban.actions        [818]: NOTICE  [sshd] Ban 202.98.248.123
...
2019-10-18 22:57:00
171.25.193.78 attack
SSH Bruteforce attack
2019-10-18 22:27:46
118.24.38.53 attackbotsspam
$f2bV_matches
2019-10-18 22:34:46
81.30.212.14 attackspambots
Oct 18 16:39:05 vpn01 sshd[13755]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.30.212.14
Oct 18 16:39:07 vpn01 sshd[13755]: Failed password for invalid user jason1 from 81.30.212.14 port 52636 ssh2
...
2019-10-18 22:44:20
5.61.30.164 attackspambots
fail2ban honeypot
2019-10-18 22:55:36
222.186.175.212 attackbotsspam
Oct 18 16:24:46 minden010 sshd[9157]: Failed password for root from 222.186.175.212 port 15190 ssh2
Oct 18 16:24:59 minden010 sshd[9157]: Failed password for root from 222.186.175.212 port 15190 ssh2
Oct 18 16:25:05 minden010 sshd[9157]: Failed password for root from 222.186.175.212 port 15190 ssh2
Oct 18 16:25:05 minden010 sshd[9157]: error: maximum authentication attempts exceeded for root from 222.186.175.212 port 15190 ssh2 [preauth]
...
2019-10-18 22:31:05
75.149.254.249 attackbotsspam
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/75.149.254.249/ 
 US - 1H : (253)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : US 
 NAME ASN : ASN7922 
 
 IP : 75.149.254.249 
 
 CIDR : 75.144.0.0/13 
 
 PREFIX COUNT : 1512 
 
 UNIQUE IP COUNT : 70992640 
 
 
 WYKRYTE ATAKI Z ASN7922 :  
  1H - 3 
  3H - 7 
  6H - 11 
 12H - 16 
 24H - 27 
 
 DateTime : 2019-10-18 13:41:24 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-18 22:30:30
119.42.94.191 attackbotsspam
119.42.94.191 - - [18/Oct/2019:07:40:01 -0400] "GET /?page=products&action=../../../etc/passwd&manufacturerID=61&productID=4701-RIM&linkID=16812 HTTP/1.1" 200 17416 "https://exitdevice.com/?page=products&action=../../../etc/passwd&manufacturerID=61&productID=4701-RIM&linkID=16812" "Mozilla/5.0 (Windows NT 10.0; WOW64; Rv:50.0) Gecko/20100101 Firefox/50.0"
...
2019-10-18 23:07:59
203.73.167.205 attackbots
Oct 18 11:41:33 work-partkepr sshd\[22485\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.73.167.205  user=root
Oct 18 11:41:35 work-partkepr sshd\[22485\]: Failed password for root from 203.73.167.205 port 43898 ssh2
...
2019-10-18 22:25:17
121.231.118.140 attackbots
Oct 18 07:41:04 esmtp postfix/smtpd[10722]: lost connection after AUTH from unknown[121.231.118.140]
Oct 18 07:41:07 esmtp postfix/smtpd[10830]: lost connection after AUTH from unknown[121.231.118.140]
Oct 18 07:41:07 esmtp postfix/smtpd[10722]: lost connection after AUTH from unknown[121.231.118.140]
Oct 18 07:41:09 esmtp postfix/smtpd[10722]: lost connection after AUTH from unknown[121.231.118.140]
Oct 18 07:41:10 esmtp postfix/smtpd[10830]: lost connection after AUTH from unknown[121.231.118.140]

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=121.231.118.140
2019-10-18 22:34:28
123.6.5.106 attackbots
Oct 18 14:33:37 ovpn sshd\[7522\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.6.5.106  user=root
Oct 18 14:33:39 ovpn sshd\[7522\]: Failed password for root from 123.6.5.106 port 36256 ssh2
Oct 18 14:39:18 ovpn sshd\[8607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.6.5.106  user=root
Oct 18 14:39:21 ovpn sshd\[8607\]: Failed password for root from 123.6.5.106 port 55668 ssh2
Oct 18 14:44:34 ovpn sshd\[9610\]: Invalid user User from 123.6.5.106
Oct 18 14:44:34 ovpn sshd\[9610\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.6.5.106
2019-10-18 22:32:14
118.244.196.123 attackspambots
Automatic report - Banned IP Access
2019-10-18 23:07:15
81.208.42.145 attackbotsspam
Automatic report - XMLRPC Attack
2019-10-18 23:02:31

Recently Reported IPs

223.67.113.219 222.133.75.145 125.46.170.219 120.229.47.203
115.60.84.121 115.60.43.147 115.59.42.37 112.87.36.156
111.18.194.5 101.73.166.161 101.26.28.98 60.222.193.186
60.13.2.96 58.255.236.156 42.239.131.255 182.89.114.156
121.27.190.18 120.239.27.188 117.150.12.23 116.77.8.44