202.195.208.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.192.0.0/13
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        202.192.0.0 - 202.199.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          SY Region
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        hostmaster@apnic.net 960130
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2021-10-30T08:29:34Z
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.195.208.0/20

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288

Nearby Ranges

BGP prefixes that overlap with 202.195.0.0/16

Range ASN Company Num of IPs
202.192.0.0/13 AS4538 China Education and Research Network 524,288

Hosted domains

There are 3 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
202.195.210.203 xn--suur12c.icu 2
202.195.214.203 njucm.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

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

IP Address ASN Details
202.195.208.87 AS4538 China Education and Research Network Center 10.25ms from Shanghai, CN
202.195.210.246 AS4538 China Education and Research Network Center 10.00ms from Shanghai, CN
202.195.209.136 AS4538 China Education and Research Network Center 9.79ms from Shanghai, CN
202.195.214.121 AS4538 China Education and Research Network Center 9.95ms from Shanghai, 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
20.47.140.68 AS8075 Microsoft Corporation 0.27ms from Boydton, US
14.243.133.100 AS45899 VNPT Corp 2.60ms from Da Nang, VN
193.127.135.100 AS2134 Santander Global Technology and Operations, S.L. 1.14ms from Dallas, US
68.216.171.180 AS6389 AT&T Enterprises, LLC 4.86ms from Dallas, US
34.185.198.228 AS396982 Google LLC 0.11ms from Frankfurt am Main, DE
78.51.176.180 AS6805 Telefonica Germany GmbH & Co.OHG 2.48ms from Frankfurt am Main, DE
113.177.176.84 AS45899 VNPT Corp 3.33ms from Hanoi, VN
47.157.164.132 AS5650 Frontier Communications of America, Inc. 2.09ms from Los Angeles, US
12.19.190.4 AS7018 AT&T Enterprises, LLC 1.68ms from Miami, US
70.27.22.196 AS577 Bell Canada 4.73ms from Montreal, CA
126.163.151.180 AS17676 SoftBank Corp. 4.29ms from Osaka, JP
90.22.192.36 AS3215 Orange S.A. 2.98ms from Paris, FR
152.243.110.180 AS26599 TELEFÔNICA BRASIL S.A 5.46ms from Sao Paulo, BR
68.218.11.68 AS8075 Microsoft Corporation 0.67ms from Sydney, AU
51.17.149.148 AS16509 Amazon.com, Inc. 1.75ms from Tel Aviv, IL
150.60.61.244 AS9597 KDDI Web Communications Inc. 0.58ms from Tokyo, JP
52.26.239.68 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
216.202.248.4 AS3356 Level 3 Parent, LLC 0.26ms from Boston, US
24.66.46.84 AS6327 Shaw Communications 9.16ms from Calgary, CA
20.214.5.116 AS8075 Microsoft Corporation 0.17ms from Dongnae, KR
27.111.199.148 AS15830 Equinix (EMEA) Acquisition Enterprises B.V. 0.56ms from Hong Kong, HK
218.103.223.36 AS4760 HKT Limited 7.81ms from Hong Kong, HK
189.124.156.196 AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. 0.70ms from Joao Pessoa, BR
95.148.138.244 AS2856 British Telecommunications PLC 2.83ms from London, GB
86.171.51.132 AS2856 British Telecommunications PLC 2.73ms from London, GB

Traceroute

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

$
traceroute -a -n -q1 -f10 202.195.214.121
traceroute to 202.195.214.121 (202.195.214.121): 64 hops max, 52 byte packets
10 [AS4538] 101.4.116.97 11.718 ms
11 *
12 *
13 *
14 [AS4538] 219.219.147.38 11.807 ms
15 *
16 *
Measurement taken from IPinfo ProbeNet in Shanghai, CN
On

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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.

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