202.192.88.0/21

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.192.0.0/16
Registry	APNIC
ID	CERNET-CN

Pingable IPs

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

IP Address	ASN	Details
202.192.89.6	AS4538 China Education and Research Network Center	1.18ms from Guangzhou, CN
202.192.95.167	AS4538 China Education and Research Network Center	1.14ms from Guangzhou, CN
202.192.91.21	AS4538 China Education and Research Network Center	1.62ms from Guangzhou, CN
202.192.94.215	AS4538 China Education and Research Network Center	1.17ms from Guangzhou, CN
202.192.88.76	AS4538 China Education and Research Network Center	1.15ms from Guangzhou, 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
51.138.43.101	AS8075 Microsoft Corporation	0.20ms from Amsterdam, NL
69.178.116.85	AS8047 GENERAL COMMUNICATION, INC.	8.69ms from Anchorage, US
23.239.171.245	AS396319 Oxylabs	0.30ms from Ashburn, US
220.202.106.165	AS4837 CHINA UNICOM China169 Backbone	2.58ms from Changsha, CN
51.186.177.69	AS5607 Sky UK Limited	1.46ms from Dublin, IE
103.18.117.245	AS132634 Direktorat E-Goverment Kementerian KOMINFO	1.28ms from Jakarta, ID
124.220.157.197	AS45090 Shenzhen Tencent Computer Systems Company Limited	0.89ms from Shanghai, CN
58.37.233.85	AS4812 China Telecom (Group)	3.77ms from Shanghai, CN
107.11.195.165	AS10796 Charter Communications Inc	12.10ms from Columbus, US
130.235.133.5	AS2846 Lund University	2.37ms from Copenhagen, DK
172.253.83.85	AS15169 Google LLC	0.47ms from Council Bluffs, US
125.105.233.165	AS4134 CHINANET-BACKBONE	9.78ms from Hangzhou, CN
35.235.115.133	AS396982 Google LLC	0.10ms from Los Angeles, US
107.200.92.229	AS7018 AT&T Enterprises, LLC	5.12ms from Los Angeles, US
131.104.8.5	AS31886 University of Guelph	2.31ms from Toronto, CA
84.86.42.101	AS1136 KPN B.V.	1.53ms from Amsterdam, NL
73.69.95.21	AS7922 Comcast Cable Communications, LLC	13.68ms from Boston, US
189.5.45.69	AS28573 Claro NXT Telecomunicacoes Ltda	9.74ms from Osasco, BR
179.165.109.85	AS26599 TELEFÔNICA BRASIL S.A	5.90ms from Sao Paulo, BR
77.72.229.245	AS8674 Netnod AB	0.38ms from Stockholm, SE
218.28.253.229	AS4837 CHINA UNICOM China169 Backbone	4.93ms from Zhengzhou, CN
173.15.6.149	AS7922 Comcast Cable Communications, LLC	6.76ms from Chicago, US
193.185.180.165	AS719 Elisa Oyj	0.60ms from Helsinki, FI
109.196.201.37	AS8359 MTS PJSC	1.33ms from Krasnodar, RU
14.67.238.229	AS4766 Korea Telecom	1.90ms from Seoul, KR

Show more IPs

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:        [email protected] 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 Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-01-22
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
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:         [email protected]
remarks:        [email protected]
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 202.192.88.0/21

Range	ASN	Company	Num of IPs
202.192.0.0/16	AS24357	China Education and Research Network	65,536
202.192.0.0/16	AS4538	China Education and Research Network	65,536
202.192.0.0/15	AS4538	China Education and Research Network	131,072
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 202.192.0.0/16

Range	ASN	Company	Num of IPs
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.192.0.0/15	AS4538	China Education and Research Network	131,072
202.192.0.0/16	AS24357	China Education and Research Network	65,536
202.192.0.0/16	AS4538	China Education and Research Network	65,536
202.192.16.0/20	AS4538	China Education and Research Network	4,096
202.192.32.0/20	AS4538	China Education and Research Network	4,096
202.192.0.0/20	AS4538	China Education and Research Network	4,096
202.192.112.0/20	AS4538	China Education and Research Network	4,096
202.192.144.0/20	AS4538	China Education and Research Network	4,096
202.192.128.0/20	AS4538	China Education and Research Network	4,096
202.192.224.0/20	AS4538	China Education and Research Network	4,096
202.192.96.0/20	AS4538	China Education and Research Network	4,096
202.192.80.0/21	AS4538	China Education and Research Network	2,048
202.192.64.0/21	AS4538	China Education and Research Network	2,048
202.192.0.0/23	AS4538	China Education and Research Network	512
202.192.202.0/24	AS4538	China Education and Research Network	256
202.192.80.0/24	AS4538	China Education and Research Network	256
202.192.205.0/24	AS4538	China Education and Research Network	256
202.192.16.0/24	AS4538	China Education and Research Network	256

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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

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

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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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