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: Xi’an

Region: Shaanxi

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:
IP Type Details Datetime
123.139.42.226 attackbots
[portscan] tcp/1433 [MsSQL]
*(RWIN=8192)(04301449)
2020-05-01 02:46:13
123.139.42.226 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-01-02 07:26:39
Whois info:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '123.139.40.0 - 123.139.43.255'

% Abuse contact for '123.139.40.0 - 123.139.43.255' is 'zhaoyz3@chinaunicom.cn'

inetnum:        123.139.40.0 - 123.139.43.255
netname:        PPPoe
country:        CN
descr:          XiAnCity-IpAddressPool-27
admin-c:        CH679-AP
tech-c:         CH679-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CNCGROUP-SN
last-modified:  2008-11-11T03:50:40Z
source:         APNIC

person:         CNCGroup-SN Hostmaster
nic-hdl:        CH679-AP
e-mail:         quyj@china-netcom.com
address:        China Network Communication ,SVT
address:        NO.2 GuangDe Road, High Tec Zone
address:        Xi'an, Shannxi, China
phone:          +86-29-88192060
fax-no:         +86-29-88192037
country:        CN
mnt-by:         MAINT-CNCGROUP-SN
last-modified:  2008-09-04T07:35:34Z
source:         APNIC

% Information related to '123.138.0.0/15AS4837'

route:          123.138.0.0/15
descr:          CNC Group CHINA169 Shanni Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:55Z
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 <<>> 123.139.42.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35058
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;123.139.42.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026061000 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jun 10 19:31:54 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 21.42.139.123.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.42.139.123.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
168.90.89.35 attackbots
Dec 19 22:07:14 eddieflores sshd\[27429\]: Invalid user lehre from 168.90.89.35
Dec 19 22:07:14 eddieflores sshd\[27429\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.90.89.35.megalinkpi.net.br
Dec 19 22:07:16 eddieflores sshd\[27429\]: Failed password for invalid user lehre from 168.90.89.35 port 50260 ssh2
Dec 19 22:14:30 eddieflores sshd\[28134\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.90.89.35.megalinkpi.net.br  user=root
Dec 19 22:14:32 eddieflores sshd\[28134\]: Failed password for root from 168.90.89.35 port 53482 ssh2
2019-12-20 16:17:01
180.244.232.192 attack
Host Scan
2019-12-20 16:13:54
218.76.52.29 attackbotsspam
Dec 19 22:21:16 web1 sshd\[16213\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.76.52.29  user=root
Dec 19 22:21:18 web1 sshd\[16213\]: Failed password for root from 218.76.52.29 port 52550 ssh2
Dec 19 22:25:49 web1 sshd\[16667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.76.52.29  user=root
Dec 19 22:25:52 web1 sshd\[16667\]: Failed password for root from 218.76.52.29 port 34378 ssh2
Dec 19 22:30:12 web1 sshd\[17120\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.76.52.29  user=root
2019-12-20 16:36:24
45.143.221.33 attackbots
SIPVicious Scanner Detection
2019-12-20 16:03:04
222.252.30.117 attackbotsspam
Dec 19 22:06:06 wbs sshd\[2891\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.252.30.117  user=root
Dec 19 22:06:09 wbs sshd\[2891\]: Failed password for root from 222.252.30.117 port 54774 ssh2
Dec 19 22:16:01 wbs sshd\[4032\]: Invalid user jayapradha from 222.252.30.117
Dec 19 22:16:01 wbs sshd\[4032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.252.30.117
Dec 19 22:16:03 wbs sshd\[4032\]: Failed password for invalid user jayapradha from 222.252.30.117 port 57176 ssh2
2019-12-20 16:38:35
104.248.37.88 attack
Unauthorized connection attempt detected from IP address 104.248.37.88 to port 2226
2019-12-20 16:31:56
35.230.162.59 attack
[munged]::443 35.230.162.59 - - [20/Dec/2019:07:49:12 +0100] "POST /[munged]: HTTP/1.1" 200 6348 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-12-20 16:07:33
86.61.66.59 attackbots
Dec 20 08:58:36 localhost sshd[15645]: Failed password for invalid user mysql from 86.61.66.59 port 59031 ssh2
Dec 20 09:11:01 localhost sshd[16039]: Failed password for root from 86.61.66.59 port 48832 ssh2
Dec 20 09:17:47 localhost sshd[16259]: User www-data from 86.61.66.59 not allowed because not listed in AllowUsers
2019-12-20 16:20:10
187.72.118.191 attackspam
ssh brute force
2019-12-20 16:14:46
124.195.199.171 attackspam
Host Scan
2019-12-20 16:01:06
43.241.145.119 attackbotsspam
Host Scan
2019-12-20 16:37:59
185.176.27.94 attackbots
TCP Port Scanning
2019-12-20 16:24:09
202.29.236.42 attackspam
$f2bV_matches
2019-12-20 16:00:00
222.186.173.238 attackspam
Dec 20 13:19:35 gw1 sshd[31139]: Failed password for root from 222.186.173.238 port 45724 ssh2
Dec 20 13:19:44 gw1 sshd[31139]: Failed password for root from 222.186.173.238 port 45724 ssh2
...
2019-12-20 16:21:34
218.92.0.175 attackspam
Dec 20 09:18:05 serwer sshd\[29901\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.175  user=root
Dec 20 09:18:07 serwer sshd\[29901\]: Failed password for root from 218.92.0.175 port 5257 ssh2
Dec 20 09:18:10 serwer sshd\[29901\]: Failed password for root from 218.92.0.175 port 5257 ssh2
...
2019-12-20 16:23:24

Recently Reported IPs

116.178.131.197 68.220.62.241 5.61.209.43 43.156.135.74
2606:4700:10::ac43:1486 165.254.154.109 220.202.112.228 150.255.101.149
184.178.169.13 139.135.41.114 2606:4700:10::6816:2754 110.77.187.120
2606:4700:10::6816:190 66.132.186.193 20.168.121.95 18.188.194.161
67.227.1.173 34.34.253.249 34.34.253.179 2606:4700:10::6814:7627