AS number details

AS142721

China Education and Research Network (CERNET)  ·  cernet.edu.cn

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AS142721 – China Education and Research Network (CERNET)

Field Value
Country China
Website cernet.edu.cn
Hosted domains 0
Number of IPv4 0
Number of IPv6 79,228,162,514,264,337,593,543,950,336
ASN type Education
Registry apnic
Allocated 4 years ago on Apr 29, 2021
Updated 4 years ago on Apr 29, 2021

There are no known IPv4 addresses belonging to this network

Netblock Company
240a:a047::/32 FITI Slices
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WHOIS Details


                                                ASHandle:       AS142721
                                                OrgID:          AS142721
                                                ASName:         AS142721
                                                ASNumber:       AS142721
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS38255 China Education and Research Network (CERNET)
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS38255 China Education and Research Network (CERNET)
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

No IPs in this ASN 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
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135.234.168.129 AS8075 Microsoft Corporation 0.51ms from Ashburn, US
62.215.19.225 AS21050 Fast Communication Company Ltd 12.49ms from Az Za`ayin, QA
159.192.244.1 AS131090 CAT TELECOM Public Company Ltd,CAT 14.23ms from Bangkok, TH
110.249.41.1 AS4837 CHINA UNICOM China169 Backbone 8.36ms from Beijing, CN
219.143.3.1 AS4847 China Networks Inter-Exchange 2.81ms from Beijing, CN
188.251.221.1 AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 0.88ms from Braga, PT
109.99.227.1 AS9050 Orange Romania S.A. 0.68ms from Bucharest, RO
188.36.65.177 AS5483 Magyar Telekom Plc. 2.39ms from Budapest, HU
181.166.108.1 AS7303 Telecom Argentina S.A. 1.07ms from Buenos Aires, AR
66.196.83.161 AS26101 Yahoo Holdings Inc. 0.88ms from Buffalo, US
118.248.32.113 AS4134 CHINANET-BACKBONE 3.65ms from Changsha, CN
65.184.176.1 AS11426 Charter Communications Inc 13.32ms from Charlotte, US
218.89.144.65 AS4134 CHINANET-BACKBONE 5.79ms from Chengdu, CN
118.120.27.1 AS4134 CHINANET-BACKBONE 12.27ms from Chengdu, CN
173.17.40.1 AS30036 Mediacom Communications Corp 3.89ms from Chicago, US
71.74.120.1 AS10796 Charter Communications Inc 6.80ms from Columbus, US
12.107.210.17 AS7018 AT&T Enterprises, LLC 7.54ms from Durham, US
3.121.200.17 AS16509 Amazon.com, Inc. 0.48ms from Frankfurt am Main, DE
212.97.101.81 AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikationstechnik 5.08ms from Frankfurt am Main, DE
112.137.141.1 AS45542 VietNam National University Ha Noi 1.46ms from Hanoi, VN
58.218.224.1 AS4134 CHINANET-BACKBONE 13.13ms from Huai'an, CN
154.115.57.225 AS2018 TENET (The UNINET Project) 7.37ms from Johannesburg, ZA

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS142721 at robtex.

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