210.72.144.0/23

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	210.72.128.0/19
Registry	APNIC
ID	CSTNET-CN

WHOIS Details

inetnum:        210.72.128.0 - 210.72.159.255
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 was validated on 2025-07-25
mnt-by:         MAINT-CSTNET-CN
last-modified:  2025-11-18T00:35:26Z
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 was validated on 2025-07-25
abuse-mailbox:  abuse-ip@cstnet.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-25T01:16:46Z
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:          210.72.128.0/19
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:  2023-10-06T05:09:23Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 210.72.144.0/23

Range	ASN	Company	Num of IPs
210.72.128.0/19	AS7497	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	8,192

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
210.72.238.0/24	AS9814	bei jing zhao shuang co.,ltd	256

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
210.72.145.13	gnsscv.com	1
210.72.145.4	tfsc.org.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

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

IP Address	ASN	Details
210.72.144.41	AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	`21.82ms` from Tianjin, CN
210.72.145.121	AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	`20.10ms` 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
73.29.248.39	AS7922 Comcast Cable Communications, LLC	`8.85ms` from Ashburn, US
176.92.5.231	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.25ms` from Athens, GR
35.91.212.231	AS16509 Amazon.com, Inc.	`0.49ms` from Boardman, US
20.10.160.199	AS8075 Microsoft Corporation	`0.30ms` from Boydton, US
50.22.149.103	AS36351 IBM Cloud	`0.92ms` from Dallas, US
34.245.74.231	AS16509 Amazon.com, Inc.	`0.19ms` from Dublin, IE
119.131.144.55	AS4134 CHINANET-BACKBONE	`1.74ms` from Guangzhou, CN
123.215.50.231	AS9318 SK Broadband Co Ltd	`4.87ms` from Incheon, KR
188.242.173.231	AS35807 SkyNet Ltd.	`0.92ms` from Saint Petersburg, RU
14.73.100.87	AS4766 Korea Telecom	`3.44ms` from Seoul, KR
51.79.255.199	AS16276 OVH SAS	`0.26ms` from Singapore, SG
117.55.47.55	AS17676 SoftBank Corp.	`3.41ms` from Tokyo, JP
216.8.187.23	AS7057 Managed Network Systems Inc.	`5.93ms` from Toronto, CA
41.226.210.87	AS37705 TOPNET	`2.17ms` from Tunis, TN
69.255.83.7	AS7922 Comcast Cable Communications, LLC	`8.09ms` from Ashburn, US
36.76.1.71	AS7713 PT Telekomunikasi Indonesia	`2.12ms` from Batam, ID
208.104.94.103	AS14615 Comporium, Inc	`3.04ms` from Charlotte, US
210.3.112.199	AS9304 HGC Global Communications Limited	`1.07ms` from Hong Kong, HK
78.165.17.199	AS9121 Turk Telekomunikasyon Anonim Sirketi	`1.88ms` from Istanbul, TR
90.163.230.151	AS12479 Orange Espagne SA	`14.36ms` from Madrid, ES
60.188.66.215	AS136190 JINHUA, ZHEJIANG Province, P.R.China.	`4.40ms` from Ningbo, CN
93.61.125.55	AS12874 Fastweb SpA	`7.20ms` from Rome, IT
95.235.251.103	AS3269 Telecom Italia S.p.A.	`8.41ms` from Rome, IT
137.175.91.151	AS54600 PEG TECH INC	`0.66ms` from San Jose, US
121.141.145.7	AS4766 Korea Telecom	`1.08ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 -f6 210.72.145.82

traceroute to 210.72.145.82 (210.72.145.82): 64 hops max, 52 byte packets

6 [AS7497] 103.2.211.130 4.583 ms

7 [AS7497] 159.226.254.97 4.205 ms

8 [AS7497] 159.226.254.146 4.292 ms

9 [AS7497] 159.226.253.186 22.978 ms

10 *

11 [AS7497] 210.72.145.82 22.381 ms

Measurement taken from

IPinfo ProbeNet in Beijing, CN

On January 19th 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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