120.133.32.0/20

AS23724  ·  IDC, China Telecommunications Corporation

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Summary

Country China
Domain 21vianet.com
ASN AS23724
Parent Range 120.133.0.0/16
Registry APNIC
ID CHINA-21VIANET

WHOIS Details

inetnum:        120.133.0.0 - 120.133.255.255
netname:        CHINA-21VIANET
descr:          21ViaNet(China),Inc.
descr:          BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,
descr:          Beijing 100016, China
country:        CN
admin-c:        ML2382-AP
tech-c:         BW667-AP
abuse-c:        AC1601-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CN-21VIANET
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:30:07Z
source:         APNIC

irt:            IRT-CNNIC-CN
address:        Beijing, China
e-mail:         ipas@cnnic.cn
abuse-mailbox:  ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
auth:           # Filtered
remarks:        Please note that CNNIC is not an ISP and is not
remarks:        empowered to investigate complaints of network abuse.
remarks:        Please contact the tech-c or admin-c of the network.
remarks:        ipas@cnnic.cn is invalid
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-17T23:08:37Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
remarks:        ipas@cnnic.cn is invalid
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-19T17:20:32Z
source:         APNIC

person:         Cao Wentao
address:        BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,Beijing 100016, China
country:        CN
phone:          +86-10-84562121
fax-no:         +86-10-84564234
e-mail:         abusemail1010@sina.com
nic-hdl:        BW667-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2014-12-26T06:30:02Z
source:         APNIC

person:         Li  Xuesong
address:        BOE Science Park, 10 Jiuxianqiao Road, Chaoyang,Beijing 100016, China
country:        CN
phone:          +86-10-84562121
fax-no:         +86-10-84564234
e-mail:         abuse@21viamail.com
nic-hdl:        ML2382-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2014-12-26T06:30:02Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 120.133.32.0/20

Range ASN Company Num of IPs
120.133.0.0/16 AS17428 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS23724 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS4811 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS4835 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS58466 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS9308 21ViaNet(China),Inc. 65,536

Nearby Ranges

BGP prefixes that overlap with 120.133.0.0/16

Range ASN Company Num of IPs
120.133.0.0/16 AS17428 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS23724 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS4811 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS4835 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS58466 21ViaNet(China),Inc. 65,536
120.133.0.0/16 AS9308 21ViaNet(China),Inc. 65,536

Hosted domains

There are 74 domain names hosted across 44 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
120.133.40.206 wuzhouchebohui.com 15
120.133.41.82 chesupai.cn 4
120.133.33.137 xiaomimobile.com 3
120.133.33.154 gztaror.com 3
120.133.36.145 pointer-ai.com 3
120.133.34.12 max-c.com 2
120.133.40.207 yimaiche.cn 2
120.133.38.150 jjmobile9.cn 2
120.133.44.197 dangdang.com 2
120.133.41.209 meethp.cn 2
120.133.44.101 ddblqs.com.cn 2
120.133.35.144 yiwanlinked.com 2
120.133.37.39 lianhecr.com.cn 2
120.133.41.165 volca.cn 1
120.133.44.171 globaldangdang.com 1
120.133.40.170 genowis.com.cn 1
120.133.40.126 changba.com.cn 1
120.133.40.140 kopebe.com 1
120.133.40.247 womenvoice.cn 1
120.133.46.125 ddexp.com.cn 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

919 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
120.133.38.135 AS23724 IDC, China Telecommunications Corporation 2.31ms from Beijing, CN
120.133.41.191 AS23724 IDC, China Telecommunications Corporation 3.15ms from Beijing, CN
120.133.35.22 AS23724 IDC, China Telecommunications Corporation 3.18ms from Beijing, CN
120.133.33.232 AS23724 IDC, China Telecommunications Corporation 3.07ms from Beijing, CN
120.133.45.150 AS23724 IDC, China Telecommunications Corporation 4.54ms from Beijing, CN
120.133.36.135 AS23724 IDC, China Telecommunications Corporation 2.83ms from Beijing, CN
120.133.42.56 AS23724 IDC, China Telecommunications Corporation 2.43ms from Beijing, CN
120.133.44.101 AS23724 IDC, China Telecommunications Corporation 4.51ms from Beijing, CN
120.133.40.147 AS23724 IDC, China Telecommunications Corporation 2.60ms from Beijing, CN
120.133.37.91 AS23724 IDC, China Telecommunications Corporation 2.71ms from Beijing, CN
120.133.34.254 AS23724 IDC, China Telecommunications Corporation 2.58ms from Beijing, CN
120.133.43.77 AS23724 IDC, China Telecommunications Corporation 2.39ms from Beijing, CN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
87.195.12.36 AS12414 Solcon Internetdiensten B.V. 6.20ms from Amsterdam, NL
174.163.9.164 AS7922 Comcast Cable Communications, LLC 4.57ms from Atlanta, US
195.130.131.84 AS6848 Telenet BV 1.85ms from Brussels, BE
14.245.51.20 AS45899 VNPT Corp 5.26ms from Da Nang, VN
37.54.251.228 AS6849 JSC Ukrtelecom 9.63ms from Kyiv, UA
181.176.39.4 AS262210 VIETTEL PERÚ S.A.C. 0.43ms from Lima, PE
84.68.30.148 AS5378 Vodafone Limited 8.88ms from London, GB
189.194.49.68 AS13999 Mega Cable, S.A. de C.V. 16.46ms from Los Angeles, US
64.33.140.68 AS11796 Airstream Communications, LLC 10.56ms from Minneapolis, US
137.184.51.148 AS14061 DigitalOcean, LLC 0.24ms from New York City, US
189.206.180.100 AS11172 Alestra, S. de R.L. de C.V. 3.63ms from Santiago de Queretaro, MX
14.5.123.228 AS17858 LG POWERCOMM 1.88ms from Seoul, KR
45.149.159.132 AS3258 xTom Japan Corporation 0.11ms from Tokyo, JP
216.202.248.4 AS3356 Level 3 Parent, LLC 0.26ms from Boston, US
149.160.232.84 AS27198 Indiana University 7.17ms from Chicago, US
18.119.84.244 AS16509 Amazon.com, Inc. 0.18ms from Columbus, US
60.14.234.52 AS4837 CHINA UNICOM China169 Backbone 7.10ms from Harbin, CN
70.112.20.148 AS11427 Charter Communications Inc 10.40ms from Houston, US
8.215.48.164 AS45102 Alibaba (US) Technology Co., Ltd. 0.70ms from Jakarta, ID
128.238.75.4 AS54965 Polytechnic Institute of NYU 0.76ms from New York City, US
85.166.187.212 AS2119 Telenor Norge AS 5.94ms from Oslo, NO
172.100.100.68 AS11351 Charter Communications Inc 10.93ms from Secaucus, US
175.142.162.36 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 2.40ms from Sepang, MY
180.157.126.132 AS4812 China Telecom (Group) 5.47ms from Shanghai, CN
159.196.109.116 AS4764 Aussie Broadband 0.75ms from Sydney, AU

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f6 120.133.40.169
traceroute to 120.133.40.169 (120.133.40.169): 64 hops max, 52 byte packets
6 [AS23724] 211.99.167.5 3.431 ms
10 *
11 *
12 *
13 *
Measurement taken from IPinfo ProbeNet in Beijing, CN
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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