210.72.64.0/23

AS7497 · Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)

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Summary

Country	China
Domain	cnic.cn
ASN	AS7497
Parent Range	210.72.0.0/17
Registry	APNIC
ID	CSTNET-CN

WHOIS Details

inetnum:        210.72.0.0 - 210.72.127.255
netname:        CSTNET-CN
descr:          Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
country:        CN
org:            ORG-CA107-AP
admin-c:        CNIC1-AP
tech-c:         CNIC1-AP
abuse-c:        AC2741-AP
status:         ALLOCATED PORTABLE
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-CSTNET-CN
mnt-routes:     MAINT-CSTNET-CN
mnt-irt:        IRT-CSTNET-CN
last-modified:  2023-10-09T05:58:10Z
source:         APNIC

irt:            IRT-CSTNET-CN
address:        2 Dongsheng South Road, Haidian District, Beijing Beijing 100190
e-mail:         abuse-ip@cstnet.cn
abuse-mailbox:  abuse-ip@cstnet.cn
admin-c:        CNIC1-AP
tech-c:         CNIC1-AP
auth:           # Filtered
remarks:        abuse-ip@cstnet.cn is invalid
mnt-by:         MAINT-CSTNET-CN
last-modified:  2026-02-11T13:10:17Z
source:         APNIC

organisation:   ORG-CA107-AP
org-name:       CNIC-CAS
org-type:       LIR
country:        CN
address:        2 Dongsheng South Road, Haidian District
phone:          +86.10.58812266
e-mail:         support@cnic.cn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:50Z
source:         APNIC

role:           ABUSE CSTNETCN
country:        ZZ
address:        2 Dongsheng South Road, Haidian District, Beijing Beijing 100190
phone:          +000000000
e-mail:         abuse-ip@cstnet.cn
admin-c:        CNIC1-AP
tech-c:         CNIC1-AP
nic-hdl:        AC2741-AP
remarks:        Generated from irt object IRT-CSTNET-CN
remarks:        abuse-ip@cstnet.cn is invalid
abuse-mailbox:  abuse-ip@cstnet.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-11T13:11:38Z
source:         APNIC

role:           Computer Network Information Center of Chinese Academy of Sciences administrator
address:        2 Dongsheng South Road, Haidian District, Beijing Beijing 100190
country:        CN
phone:          +86.10.58812266
e-mail:         supervise@cnic.cn
admin-c:        CNIC1-AP
tech-c:         CNIC1-AP
nic-hdl:        CNIC1-AP
mnt-by:         MAINT-CNICOCAOS-CN
last-modified:  2022-05-12T07:31:01Z
source:         APNIC

route:          210.72.0.0/17
descr:          Route origin from CSTNET
country:        CN
origin:         AS7497
remarks:        Please contact lihong@cstnet.cn if you have any
remarks:        questions regarding this object.
remarks:        Antispam mail please send to antispam@cstnet.cn.
notify:         lihong@cstnet.cn
mnt-by:         MAINT-CSTNET-CN
last-modified:  2023-10-06T05:09:22Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 210.72.64.0/23

Range	ASN	Company	Num of IPs
210.72.0.0/17	AS7497	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	32,768

Nearby Ranges

BGP prefixes that overlap with 210.72.0.0/16

Range	ASN	Company	Num of IPs
210.72.0.0/17	AS7497	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	32,768
210.72.160.0/19	AS4808	China Internet Network Information Center	8,192
210.72.192.0/19	AS4808	Communication Center, China Aerospace	8,192
210.72.128.0/19	AS7497	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	8,192

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
210.72.65.63	taihubloom.ac.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

Read more

Pingable IPs

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

IP Address	ASN	Details
210.72.64.167	AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	`20.73ms` from Beijing, CN
210.72.65.222	AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	`19.78ms` 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
74.196.5.39	AS19108 Optimum	`14.19ms` from Ashburn, US
4.156.187.7	AS8075 Microsoft Corporation	`0.42ms` from Ashburn, US
89.214.169.167	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`9.91ms` from Braga, PT
195.91.115.23	AS6855 Slovak Telekom, a.s.	`11.69ms` from Bratislava, SK
145.223.115.71	AS47583 Hostinger International Limited	`0.39ms` from Frankfurt am Main, DE
90.114.116.119	AS3215 Orange S.A.	`5.73ms` from Lyon, FR
167.62.86.39	AS6057 Administracion Nacional de Telecomunicaciones	`1.76ms` from Montevideo, UY
91.171.27.135	AS12322 Free SAS	`7.82ms` from Paris, FR
112.244.161.167	AS4837 CHINA UNICOM China169 Backbone	`4.30ms` from Qingdao, CN
54.95.96.199	AS16509 Amazon.com, Inc.	`0.19ms` from Tokyo, JP
47.74.6.7	AS45102 Alibaba (US) Technology Co., Ltd.	`1.36ms` from Tokyo, JP
180.34.247.23	AS4713 NTT DOCOMO BUSINESS,Inc.	`9.70ms` from Tokyo, JP
68.184.82.55	AS20115 Charter Communications LLC	`3.96ms` from Atlanta, US
193.158.167.231	AS3320 Deutsche Telekom AG	`3.83ms` from Berlin, DE
1.53.233.87	AS18403 FPT Telecom Company	`1.69ms` from Ho Chi Minh City, VN
20.239.128.167	AS8075 Microsoft Corporation	`0.31ms` from Hong Kong, HK
67.120.10.7	AS7018 AT&T Enterprises, LLC	`1.70ms` from Los Angeles, US
77.230.83.199	AS12430 VODAFONE ESPANA S.A.U.	`9.32ms` from Madrid, ES
88.46.158.247	AS3269 Telecom Italia S.p.A.	`4.43ms` from Milan, IT
134.209.220.71	AS14061 DigitalOcean, LLC	`0.25ms` from New York City, US
23.201.162.183	AS16625 Akamai Technologies, Inc.	`0.43ms` from New York City, US
88.173.68.215	AS12322 Free SAS	`7.02ms` from Paris, FR
23.205.37.39	AS16625 Akamai Technologies, Inc.	`0.09ms` from Santiago de Queretaro, MX
187.146.205.231	AS8151 UNINET	`8.61ms` from Santiago de Queretaro, MX
189.69.174.7	AS27699 TELEFÔNICA BRASIL S.A	`3.50ms` from Sao Paulo, BR

Traceroute

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

traceroute -a -n -q1 -f8 210.72.65.211

traceroute to 210.72.65.211 (210.72.65.211): 64 hops max, 52 byte packets

8 [AS7497] 159.226.254.142 4.7 ms

9 *

10 *

11 *

12 [AS7497] 210.72.65.211 21.112 ms

Measurement taken from

IPinfo ProbeNet in Beijing, CN

On March 13th 2026

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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