210.77.2.0/23

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 210.77.0.0/19
Registry APNIC
ID CSTNET-CN

WHOIS Details

inetnum:        210.77.0.0 - 210.77.31.255
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:  2023-10-10T01:38:39Z
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:          210.77.0.0/19
descr:          China Science & Technology Network
country:        CN
origin:         AS7497
mnt-by:         MAINT-CSTNET-CN
last-modified:  2023-10-06T05:09:24Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 210.77.2.0/23

Range ASN Company Num of IPs
210.77.0.0/19 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 8,192

Nearby Ranges

BGP prefixes that overlap with 210.77.0.0/16

Range ASN Company Num of IPs
210.77.224.0/19 AS4808 China Great Wall Network 8,192
210.77.128.0/19 AS23724 21ViaNet(China),Inc. 8,192
210.77.192.0/19 AS4808 China Broadcasting Shandong Network Co., Ltd. Jinan Branch 8,192
210.77.0.0/19 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 8,192
210.77.64.0/19 AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) 8,192
210.77.176.0/20 AS18241 State Power Information Net 4,096
210.77.176.0/20 AS9814 State Power Information Net 4,096

Hosted domains

There are no domains currently hosted on this ASN.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
123.120.40.39 AS4808 China Unicom Beijing Province Network 2.88ms from Beijing, CN
175.21.51.55 AS4837 CHINA UNICOM China169 Backbone 3.26ms from Changchun, CN
97.224.164.167 AS6167 Verizon Business 15.19ms from Chicago, US
103.244.227.23 AS42831 UK Dedicated Servers Limited 0.21ms from Coventry, GB
68.103.83.23 AS22773 Cox Communications Inc. 11.20ms from Kansas City, US
24.118.61.119 AS7922 Comcast Cable Communications, LLC 7.48ms from Minneapolis, US
5.139.64.199 AS12389 PJSC Rostelecom 16.31ms from Moscow, RU
96.59.206.71 AS33363 Charter Communications, Inc 10.23ms from Orlando, US
100.29.156.87 AS14618 Amazon.com, Inc. 0.14ms from Reston, US
18.205.28.231 AS14618 Amazon.com, Inc. 0.39ms from Reston, US
23.38.179.7 AS20940 Akamai International B.V. 0.55ms from San Jose, US
186.150.37.119 AS28118 ALTICE DOMINICANA S.A. 11.34ms from Santo Domingo, DO
112.175.98.87 AS4766 Korea Telecom 0.98ms from Seoul, KR
47.84.109.87 AS45102 Alibaba (US) Technology Co., Ltd. 0.82ms from Singapore, SG
172.225.60.55 AS36183 Akamai Technologies, Inc. 0.07ms from Sydney, AU
139.30.90.23 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 8.01ms from Berlin, DE
175.20.72.215 AS4837 CHINA UNICOM China169 Backbone 3.12ms from Changchun, CN
46.201.185.135 AS6849 JSC "Ukrtelecom" 9.48ms from Kyiv, UA
220.235.131.151 AS7545 TPG Telecom Limited 1.69ms from Melbourne, AU
109.12.35.231 AS15557 Societe Francaise Du Radiotelephone - SFR SA 6.25ms from Paris, FR
158.101.11.87 AS31898 Oracle Corporation 0.98ms from Phoenix, US
195.22.51.199 AS13036 T-Mobile Czech Republic a.s. 6.45ms from Prague, CZ
54.147.190.71 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
220.86.228.183 AS4766 Korea Telecom 4.49ms from Seoul, KR
90.226.201.135 AS3301 Telia Company AB 8.68ms from Stockholm, SE

Traceroute

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

$
traceroute -a -n -q1 -f5 -m11 210.77.2.130
traceroute to 210.77.2.130 (210.77.2.130): 11 hops max, 52 byte packets
5 [] 123.255.91.238 199.764 ms
6 [AS7497] 159.226.254.9 73.286 ms
9 *
10 *
11 *
Measurement taken from IPinfo ProbeNet in Seoul, KR
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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