202.197.112.0/24

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 202.197.112.0/20
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 Research Center,
address:        Main Bldg, 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:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn 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:         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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
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:         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 202.197.112.0/24

Range ASN Company Num of IPs
202.197.112.0/20 AS4538 China Education and Research Network 4,096
202.196.0.0/15 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 202.197.0.0/16

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
202.196.0.0/15 AS4538 China Education and Research Network 131,072
202.197.176.0/20 AS4538 China Education and Research Network 4,096
202.197.0.0/20 AS4538 China Education and Research Network 4,096
202.197.64.0/20 AS4538 China Education and Research Network 4,096
202.197.48.0/20 AS4538 China Education and Research Network 4,096
202.197.224.0/20 AS4538 China Education and Research Network 4,096
202.197.192.0/20 AS4538 China Education and Research Network 4,096
202.197.208.0/20 AS4538 China Education and Research Network 4,096
202.197.144.0/20 AS4538 China Education and Research Network 4,096
202.197.32.0/20 AS4538 China Education and Research Network 4,096
202.197.112.0/20 AS4538 China Education and Research Network 4,096
202.197.80.0/20 AS4538 China Education and Research Network 4,096
202.197.96.0/20 AS4538 China Education and Research Network 4,096
202.197.16.0/21 AS4538 China Education and Research Network 2,048
202.197.240.0/21 AS4538 China Education and Research Network 2,048
202.197.24.0/21 AS4538 China Education and Research Network 2,048
202.197.159.0/24 AS4538 China Education and Research Network 256
202.197.2.0/24 AS4538 China Education and Research Network 256
202.197.0.0/24 AS4538 China Education and Research Network 256
202.197.96.0/24 AS4538 China Education and Research Network 256
202.197.124.0/24 AS4538 China Education and Research Network 256
202.197.111.0/24 AS4538 China Education and Research Network 256
202.197.240.0/24 AS4538 China Education and Research Network 256
202.197.193.0/24 AS4538 China Education and Research Network 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
202.197.112.2 AS4538 China Education and Research Network Center 7.03ms from Wuhan, 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
81.172.157.40 AS15435 DELTA Fiber Nederland B.V. 1.85ms from Amsterdam, NL
87.208.29.216 AS50266 Odido Netherlands B.V. 7.08ms from Amsterdam, NL
178.142.220.40 AS9145 EWE TEL GmbH 5.81ms from Amsterdam, NL
142.4.195.184 AS16276 OVH SAS 0.07ms from Beauharnois, CA
196.114.240.40 AS36925 MEDITELECOM 14.40ms from Casablanca, MA
81.141.163.120 AS2856 British Telecommunications PLC 7.50ms from London, GB
14.80.11.200 AS4766 Korea Telecom 5.40ms from Seoul, KR
112.165.20.168 AS4766 Korea Telecom 5.27ms from Seoul, KR
126.153.119.232 AS17676 SoftBank Corp. 3.19ms from Tokyo, JP
88.86.218.8 AS28890 INSYS ISP 0.65ms from Yekaterinburg, RU
219.157.68.56 AS4837 CHINA UNICOM China169 Backbone 2.59ms from Zhengzhou, CN
113.199.194.184 AS23752 Nepal Telecommunications Corporation, Internet Services, 1.31ms from Kathmandu, NP
57.96.16.56 AS51964 ORANGE BUSINESS SERVICES U.S. Inc. 1.18ms from Singapore, SG
35.77.226.232 AS16509 Amazon.com, Inc. 1.10ms from Tokyo, JP
88.207.218.152 AS6661 POST Luxembourg 1.38ms from Luxembourg, LU
24.199.86.56 AS14061 DigitalOcean, LLC 0.20ms from New York City, US
59.101.203.72 AS2764 AAPT Limited 15.76ms from Sydney, AU
185.221.33.56 AS21230 M SAT Cable EAD 1.04ms from Varna, BG
24.41.26.104 AS7029 Windstream Communications LLC 0.49ms from Atlanta, US
167.99.249.40 AS14061 DigitalOcean, LLC 0.28ms from Frankfurt am Main, DE
116.22.31.136 AS4134 CHINANET-BACKBONE 2.62ms from Guangzhou, CN
188.24.224.104 AS8708 DIGI ROMANIA S.A. 5.18ms from Bucharest, RO
91.240.6.88 AS58266 Srpska banka A.D. 0.45ms from Belgrade, RS
118.208.210.184 AS7545 TPG Telecom Limited 1.58ms from Brisbane, AU
35.240.22.88 AS396982 Google LLC 0.12ms from Brussels, BE

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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