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: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Make a comment on this IP
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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 '42.88.0.0 - 42.95.255.255'

% Abuse contact for '42.88.0.0 - 42.95.255.255' is 'anti-spam@chinatelecom.cn'

inetnum:        42.88.0.0 - 42.95.255.255
netname:        CHINANET-GS
descr:          CHINANET Gansu province network
descr:          China Telecom
descr:          No.31,jingrong street
descr:          Beijing 100032
country:        CN
admin-c:        YZ37-AP
tech-c:         YZ37-AP
abuse-c:        AC1573-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:        --------------------------------------------------------
notify:         yangermy@hotmail.com
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CHINANET-GS
mnt-routes:     MAINT-CHINANET-GS
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:05:06Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
mnt-by:         MAINT-CHINANET
last-modified:  2026-05-21T01:31:36Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-21T01:32:00Z
source:         APNIC

person:         Yang Zhanrong
address:        CHINA,LANZHOU,No.405 Pingliang Road
country:        CN
phone:          +86-931-8395823
e-mail:         yangmy.gsnoc@chinatelecom.cn
nic-hdl:        YZ37-AP
mnt-by:         MAINT-CHINANET-GS
last-modified:  2020-03-12T07:56:08Z
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 <<>> 42.89.123.142
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21210
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;42.89.123.142.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026091601 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Sep 17 07:40:45 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 142.123.89.42.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 142.123.89.42.in-addr.arpa: NXDOMAIN
Related IP info:
42.89.123.112
42.89.123.201
42.89.123.170
42.89.123.64
42.89.123.17
42.89.123.221
42.89.123.13
42.89.123.7
42.89.123.188
42.89.123.88
42.89.123.73
42.89.123.187
42.89.123.52
42.89.123.175
42.89.123.195
42.89.123.102
42.89.123.130
42.89.123.96
42.89.123.2
42.89.123.216
42.89.123.252
42.89.123.226
42.89.123.144
42.89.123.47
42.89.123.62
42.89.123.248
42.89.123.176
42.89.123.153
42.89.123.244
42.89.123.190
42.89.123.133
42.89.123.191
42.89.123.68
42.89.123.53
42.89.123.49
42.89.123.168
42.89.123.18
42.89.123.229
42.89.123.14
42.89.123.173
42.89.123.16
42.89.123.81
42.89.123.79
42.89.123.246
42.89.123.89
42.89.123.19
42.89.123.33
42.89.123.165
42.89.123.205
42.89.123.233
42.89.123.103
42.89.123.231
42.89.123.12
42.89.123.218
42.89.123.26
42.89.123.204
42.89.123.60
42.89.123.239
42.89.123.183
42.89.123.114
42.89.123.101
42.89.123.141
42.89.123.232
42.89.123.129
42.89.123.87
42.89.123.24
42.89.123.29
42.89.123.196
42.89.123.222
42.89.123.149
42.89.123.125
42.89.123.155
42.89.123.235
42.89.123.99
42.89.123.25
42.89.123.109
42.89.123.45
42.89.123.163
42.89.123.237
42.89.123.10
42.89.123.94
42.89.123.3
42.89.123.228
42.89.123.97
42.89.123.207
42.89.123.119
42.89.123.212
42.89.123.142
42.89.123.172
42.89.123.154
42.89.123.242
42.89.123.220
42.89.123.223
42.89.123.120
42.89.123.147
42.89.123.38
42.89.123.128
42.89.123.236
42.89.123.111
42.89.123.197
42.89.123.253
42.89.123.199
42.89.123.139
42.89.123.200
42.89.123.116
42.89.123.132
42.89.123.121
42.89.123.254
42.89.123.164
42.89.123.117
42.89.123.150
42.89.123.160
42.89.123.214
42.89.123.227
42.89.123.217
42.89.123.162
42.89.123.198
42.89.123.138
42.89.123.193
42.89.123.31
42.89.123.44
42.89.123.20
42.89.123.90
42.89.123.143
42.89.123.225
42.89.123.6
42.89.123.171
42.89.123.42
42.89.123.146
42.89.123.4
42.89.123.238
42.89.123.35
42.89.123.161
42.89.123.136
42.89.123.118
42.89.123.8
42.89.123.166
42.89.123.55
42.89.123.113
42.89.123.140
42.89.123.224
42.89.123.61
42.89.123.22
42.89.123.105
42.89.123.213
42.89.123.123
42.89.123.156
42.89.123.174
42.89.123.77
42.89.123.11
42.89.123.67
42.89.123.126
42.89.123.39
42.89.123.58
42.89.123.157
42.89.123.91
42.89.123.185
42.89.123.27
42.89.123.63
42.89.123.50
42.89.123.57
42.89.123.74
42.89.123.169
42.89.123.181
42.89.123.245
42.89.123.86
42.89.123.122
42.89.123.186
42.89.123.208
42.89.123.158
42.89.123.48
42.89.123.179
42.89.123.230
42.89.123.210
42.89.123.243
42.89.123.219
42.89.123.115
42.89.123.30
42.89.123.192
42.89.123.21
42.89.123.202
42.89.123.32
42.89.123.209
42.89.123.92
42.89.123.131
42.89.123.43
42.89.123.28
42.89.123.5
42.89.123.240
42.89.123.9
42.89.123.152
42.89.123.184
42.89.123.82
42.89.123.249
42.89.123.80
42.89.123.104
42.89.123.250
42.89.123.178
42.89.123.180
42.89.123.70
42.89.123.93
42.89.123.167
42.89.123.41
42.89.123.71
42.89.123.76
42.89.123.206
42.89.123.106
42.89.123.78
42.89.123.72
42.89.123.65
42.89.123.85
42.89.123.151
42.89.123.159
42.89.123.247
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42.89.123.108
42.89.123.40
42.89.123.182
42.89.123.241
42.89.123.135
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42.89.123.84
42.89.123.137
42.89.123.134
42.89.123.100
42.89.123.75
42.89.123.177
42.89.123.46
42.89.123.59
42.89.123.215
42.89.123.23
42.89.123.54
42.89.123.1
42.89.123.98
42.89.123.66
42.89.123.124
42.89.123.234
42.89.123.148
42.89.123.127
42.89.123.56
42.89.123.51
42.89.123.189
42.89.123.95
42.89.123.251
42.89.123.203
42.89.123.194
42.89.123.107
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42.89.123.37
Related comments:
IP Type Details Datetime
45.142.120.53 attack 
Sep 18 19:06:47 websrv1.derweidener.de postfix/smtpd[2134329]: warning: unknown[45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:06:55 websrv1.derweidener.de postfix/smtpd[2134642]: warning: unknown[45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:06:58 websrv1.derweidener.de postfix/smtpd[2134329]: warning: unknown[45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:07:06 websrv1.derweidener.de postfix/smtpd[2134645]: warning: unknown[45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:07:07 websrv1.derweidener.de postfix/smtpd[2134646]: warning: unknown[45.142.120.53]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
 2020-09-19 02:08:52
222.186.42.213 attack 
Sep 18 19:01:48 MainVPS sshd[26718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.213  user=root
Sep 18 19:01:50 MainVPS sshd[26718]: Failed password for root from 222.186.42.213 port 51186 ssh2
Sep 18 19:01:53 MainVPS sshd[26718]: Failed password for root from 222.186.42.213 port 51186 ssh2
Sep 18 19:01:48 MainVPS sshd[26718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.213  user=root
Sep 18 19:01:50 MainVPS sshd[26718]: Failed password for root from 222.186.42.213 port 51186 ssh2
Sep 18 19:01:53 MainVPS sshd[26718]: Failed password for root from 222.186.42.213 port 51186 ssh2
Sep 18 19:01:48 MainVPS sshd[26718]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.213  user=root
Sep 18 19:01:50 MainVPS sshd[26718]: Failed password for root from 222.186.42.213 port 51186 ssh2
Sep 18 19:01:53 MainVPS sshd[26718]: Failed password for root from 222.186.42.213
 2020-09-19 01:11:06
177.53.110.229 attackbotsspam 
Sep 17 18:23:18 mail.srvfarm.net postfix/smtps/smtpd[155679]: warning: unknown[177.53.110.229]: SASL PLAIN authentication failed: 
Sep 17 18:23:18 mail.srvfarm.net postfix/smtps/smtpd[155679]: lost connection after AUTH from unknown[177.53.110.229]
Sep 17 18:25:01 mail.srvfarm.net postfix/smtps/smtpd[157126]: warning: unknown[177.53.110.229]: SASL PLAIN authentication failed: 
Sep 17 18:25:01 mail.srvfarm.net postfix/smtps/smtpd[157126]: lost connection after AUTH from unknown[177.53.110.229]
Sep 17 18:30:34 mail.srvfarm.net postfix/smtpd[143206]: warning: unknown[177.53.110.229]: SASL PLAIN authentication failed:
 2020-09-19 02:03:02
35.192.148.81 attackspambots 
Telnet/23 MH Probe, Scan, BF, Hack -
 2020-09-19 01:39:35
106.53.207.227 attackspambots 
$f2bV_matches
 2020-09-19 01:42:22
68.183.12.80 attackbots 
malicious Brute-Force reported by https://www.patrick-binder.de
...
 2020-09-19 01:48:01
102.23.247.157 attackspam 
Sep 17 18:32:24 mail.srvfarm.net postfix/smtpd[157370]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed: 
Sep 17 18:32:24 mail.srvfarm.net postfix/smtpd[157370]: lost connection after AUTH from unknown[102.23.247.157]
Sep 17 18:33:15 mail.srvfarm.net postfix/smtps/smtpd[155676]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed: 
Sep 17 18:33:15 mail.srvfarm.net postfix/smtps/smtpd[155676]: lost connection after AUTH from unknown[102.23.247.157]
Sep 17 18:34:58 mail.srvfarm.net postfix/smtpd[157368]: warning: unknown[102.23.247.157]: SASL PLAIN authentication failed:
 2020-09-19 02:05:33
190.109.43.254 attackbots 
Sep 17 18:21:52 mail.srvfarm.net postfix/smtpd[157366]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed: 
Sep 17 18:21:52 mail.srvfarm.net postfix/smtpd[157366]: lost connection after AUTH from unknown[190.109.43.254]
Sep 17 18:25:53 mail.srvfarm.net postfix/smtps/smtpd[155679]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed: 
Sep 17 18:25:54 mail.srvfarm.net postfix/smtps/smtpd[155679]: lost connection after AUTH from unknown[190.109.43.254]
Sep 17 18:30:42 mail.srvfarm.net postfix/smtpd[157367]: warning: unknown[190.109.43.254]: SASL PLAIN authentication failed:
 2020-09-19 01:59:27
190.85.114.178 attackspam 
Icarus honeypot on github
 2020-09-19 01:47:32
45.142.120.74 attackbotsspam 
Sep 18 19:51:41 web01.agentur-b-2.de postfix/smtpd[2518423]: warning: unknown[45.142.120.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:51:48 web01.agentur-b-2.de postfix/smtpd[2518790]: warning: unknown[45.142.120.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:51:50 web01.agentur-b-2.de postfix/smtpd[2518789]: warning: unknown[45.142.120.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:52:00 web01.agentur-b-2.de postfix/smtpd[2515447]: warning: unknown[45.142.120.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 18 19:52:01 web01.agentur-b-2.de postfix/smtpd[2518423]: warning: unknown[45.142.120.74]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
 2020-09-19 02:08:30
91.228.65.61 attackbots 
Icarus honeypot on github
 2020-09-19 01:38:45
15.228.42.106 attackbotsspam 
Web scraping detected
 2020-09-19 01:45:02
94.102.54.199 attack 
Sep 18 19:57:34 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.54.199, lip=185.118.198.210, session=
Sep 18 19:58:10 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.54.199, lip=185.118.198.210, session=<77hIPpqv5OpeZjbH>
Sep 18 19:58:43 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.54.199, lip=185.118.198.210, session=
Sep 18 20:01:13 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=94.102.54.199, lip=185.118.198.210, session=
Sep 18 20:01:29 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=
 2020-09-19 02:06:23
191.37.131.97 attack 
Sep 17 18:25:04 mail.srvfarm.net postfix/smtps/smtpd[155677]: warning: unknown[191.37.131.97]: SASL PLAIN authentication failed: 
Sep 17 18:25:04 mail.srvfarm.net postfix/smtps/smtpd[155677]: lost connection after AUTH from unknown[191.37.131.97]
Sep 17 18:29:52 mail.srvfarm.net postfix/smtps/smtpd[155678]: warning: unknown[191.37.131.97]: SASL PLAIN authentication failed: 
Sep 17 18:29:53 mail.srvfarm.net postfix/smtps/smtpd[155678]: lost connection after AUTH from unknown[191.37.131.97]
Sep 17 18:32:43 mail.srvfarm.net postfix/smtps/smtpd[159171]: warning: unknown[191.37.131.97]: SASL PLAIN authentication failed:
 2020-09-19 01:59:09
178.219.30.186 attackbotsspam 
Sep 17 18:42:29 mail.srvfarm.net postfix/smtpd[157369]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed: 
Sep 17 18:42:29 mail.srvfarm.net postfix/smtpd[157369]: lost connection after AUTH from unknown[178.219.30.186]
Sep 17 18:43:09 mail.srvfarm.net postfix/smtps/smtpd[159171]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed: 
Sep 17 18:43:09 mail.srvfarm.net postfix/smtps/smtpd[159171]: lost connection after AUTH from unknown[178.219.30.186]
Sep 17 18:52:26 mail.srvfarm.net postfix/smtpd[157367]: warning: unknown[178.219.30.186]: SASL PLAIN authentication failed:
 2020-09-19 01:50:30

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