202.127.0.0/21

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

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Summary

Country China
Domain cnic.cn
ASN AS7497
Registry APNIC
ID CSTNET-CN

WHOIS Details

inetnum:        202.127.0.0 - 202.127.7.255
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:  2023-10-09T03:59:50Z
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:  2025-07-25T01:16:40Z
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:          202.127.0.0/21
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:  2023-10-06T05:09:19Z
source:         APNIC

Overlapping Ranges

BGP prefixes that are contained by 202.127.0.0/21

Range ASN Company Num of IPs
202.127.6.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.1.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.0.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.2.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.4.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256

Nearby Ranges

BGP prefixes that overlap with 202.127.0.0/16

Range ASN Company Num of IPs
202.127.224.0/19 AS4538 China Education and Research Network 8,192
202.127.80.0/20 AS24255 Tannan Cable Television Corporation 4,096
202.127.16.0/20 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 4,096
202.127.144.0/20 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 4,096
202.127.240.0/20 AS4538 China Education and Research Network 4,096
202.127.176.0/20 AS24259 kanuma cable television Corporation 4,096
202.127.96.0/20 AS17910 PT. Tigatra Infokom 4,096
202.127.232.0/21 AS4538 China Education and Research Network 2,048
202.127.32.0/21 AS46030 PT Wahan Inovasi Nusantara 2,048
202.127.200.0/21 AS7497 The Hefei Branch of Chinese Academy of Sciences 2,048
202.127.216.0/21 AS4538 China Education and Research Network 2,048
202.127.40.0/21 AS4808 Information Center, Ministry of Agriculture and Rural Affairs, PRC 2,048
202.127.168.0/21 AS24396 Bank Of China(Hong Kong) Limited 2,048
202.127.36.0/22 AS46030 PT Wahan Inovasi Nusantara 1,024
202.127.12.0/22 AS9929 Nanjing Institute of Science and Technology Information 1,024
202.127.32.0/22 AS46030 PT Wahan Inovasi Nusantara 1,024
202.127.36.0/23 AS46030 PT Wahan Inovasi Nusantara 512
202.127.48.0/23 AS4808 National Information Center of GACC (National E-Clearance Center of GACC) 512
202.127.34.0/23 AS46030 PT Wahan Inovasi Nusantara 512
202.127.70.0/23 AS4637 Telstra Global Internet Services Network Blocks 512
202.127.30.0/23 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 512
202.127.32.0/23 AS46030 PT Wahan Inovasi Nusantara 512
202.127.38.0/23 AS46030 PT Comradindo Lintasnusa Perkasa 512
202.127.16.0/23 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 512
202.127.144.0/23 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 512
202.127.173.0/24 AS24396 Bank Of China(Hong Kong) Limited 256
202.127.239.0/24 AS4538 China Education and Research Network 256
202.127.10.0/24 AS140220 Sky Broadband 256
202.127.104.0/24 AS17910 Aperto Permata - Niaga Tower 256
202.127.232.0/24 AS4538 China Education and Research Network 256
202.127.99.0/24 AS17910 3GNet Network Operation Center 256
202.127.237.0/24 AS4538 China Education and Research Network 256
202.127.169.0/24 AS24396 Bank Of China(Hong Kong) Limited 256
202.127.96.0/24 AS17910 3Gate Router and Servers 256
202.127.74.0/24 AS4637 Telstra Global Internet Services Network /24 Block 256
202.127.97.0/24 AS17910 3Gate Co-Lococation 256
202.127.79.0/24 AS4637 Telstra Global Internet Services Network Blocks 256
202.127.106.0/24 AS17910 Infrastructure for Serial Customer 256
202.127.153.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.0.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.170.0/24 AS24396 Bank Of China(Hong Kong) Limited 256
202.127.100.0/24 AS17910 Allocation for 3GNet Platinum Customer 256
202.127.236.0/24 AS4538 China Education and Research Network 256
202.127.171.0/24 AS24396 Bank Of China(Hong Kong) Limited 256
202.127.233.0/24 AS4538 China Education and Research Network 256
202.127.73.0/24 AS4637 Telstra Global Internet Services Network /24 Block 256
202.127.2.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256
202.127.109.0/24 AS17910 DOS NI ROHA 256
202.127.22.0/24 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 256

Hosted domains

There are 6 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
202.127.3.168 pgghan.org 3
202.127.0.113 mctc.net.cn 1
202.127.0.47 gassrm.cn 1
202.127.1.39 irscience.org 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

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

IP Address ASN Details
202.127.0.255 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 13.52ms from Nanchang, CN
202.127.3.145 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 11.77ms from Nanchang, CN
202.127.2.65 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 12.19ms from Nanchang, CN
202.127.1.36 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 12.27ms from Nanchang, CN
202.127.7.65 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 11.34ms from Nanchang, 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
87.203.230.245 AS6799 Ote SA (Hellenic Telecommunications Organisation) 2.40ms from Athens, GR
95.105.171.149 AS15962 Orange Slovensko a.s. 1.49ms from Bratislava, SK
103.187.125.245 AS149831 FNB Network 1.67ms from Dhaka, BD
77.37.79.37 AS47583 Hostinger International Limited 1.00ms from Jakarta, ID
146.198.238.133 AS6871 Plusnet 3.39ms from London, GB
37.18.94.21 AS62056 State Budgetary Health Care Institution of Arkhangelsk Region - Medical Information and Analytical Centre 17.11ms from Saint Petersburg, RU
8.47.50.5 AS3356 Level 3 Parent, LLC 5.78ms from Atlanta, US
71.199.65.85 AS7922 Comcast Cable Communications, LLC 14.01ms from Chicago, US
222.176.95.117 AS4134 CHINANET-BACKBONE 0.83ms from Chongqing, CN
60.110.112.133 AS17676 SoftBank Corp. 4.12ms from Osaka, JP
60.95.202.133 AS17676 SoftBank Corp. 3.73ms from Osaka, JP
173.233.9.165 AS13333 Consolidated Communications, Inc. 0.98ms from Pittsburgh, US
85.187.203.165 AS49387 Springs-Net EOOD 3.02ms from Sofia, BG
207.127.93.133 AS31898 Oracle Corporation 0.18ms from Stockholm, SE
213.254.185.213 AS8851 GCI Network Solutions Limited 7.95ms from London, GB
201.182.167.5 AS267554 +Net & Telecom 1.42ms from Sao Paulo, BR
73.186.251.5 AS7922 Comcast Cable Communications, LLC 9.76ms from Boston, US
123.28.109.245 AS45899 VNPT Corp 2.83ms from Ho Chi Minh City, VN
176.126.246.197 AS44684 Mythic Beasts Ltd 0.49ms from London, GB
194.67.155.229 AS5523 CREDO TELECOM 0.75ms from Moscow, RU
13.127.54.21 AS16509 Amazon.com, Inc. 0.13ms from Mumbai, IN
219.59.14.213 AS17676 SoftBank Corp. 1.50ms from Osaka, JP
175.109.56.165 AS2516 KDDI CORPORATION 1.58ms from Osaka, JP
162.18.47.53 AS19820 Ball Corporation 1.12ms from Osasco, BR
27.205.43.5 AS4837 CHINA UNICOM China169 Backbone 3.53ms from Qingdao, CN

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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