ASN Lookup Tool
AS4538 China Education and Research Network Center

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An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

ASN Lookup for:

AS4538

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ASN Extended Info API

ASN Details

ASN
AS4538
Organisation
China Education and Research Network Center
AS Name
ERX-CERNET-BKB
IPv4 Addresses Announced
17,102,815
IPv4 Prefixes Announced
7,848
Bogon Prefixes Announced
0
IPv4 Space Rank
#25 out of 75,044
Registry
APNIC
Registered Country
CN flag CN
Registration Date
Registration Change
2020-09-03

Receiving From

ASN
Organisation
ASN
Organisation
CN flag No.31Jinrong Street
ASN
Organisation
US flag Cogent Communications
ASN
Organisation
HK flag The Hong Kong Internet Exchange Limited
ASN
Organisation
CN flag NAP1 at CERNET
ASN
Organisation
CN flag CHINA UNICOM China169 Backbone
ASN
Organisation
CN flag China Mobile
ASN
Organisation
US flag NTT America Inc.
ASN
Organisation
US flag PCCW Global Inc.
ASN
Organisation
CN flag Computer Network Information Center
ASN
Organisation
US flag TATA COMMUNICATIONS AMERICA INC
Showing 10 of 25 Results View More >

Transit To

ASN
Organisation
ASN
Organisation
CN flag CERNET2 IX at South China University of Technology
ASN
Organisation
CN flag CERNET2 IX at Shanghai Jiaotong University
ASN
Organisation
CN flag CERNET2 IX at Southeast University
ASN
Organisation
CN flag CERNET2 IX at Shandong University
ASN
Organisation
CN flag CERNET2 IX at Peking University
ASN
Organisation
CN flag CERNET2 IX at University of Science and Technology of China
ASN
Organisation
CN flag CERNET New Technology Co. Ltd
ASN
Organisation
CN flag China Education and Research Network CERNET
ASN
Organisation
CN flag CERNET2 IX at University of Electronic Science and Technology of China
ASN
Organisation
CN flag CERNET2 IX at Tsinghua University
Showing 10 of 15 Results View More >

Active Prefixes

Prefix
Range From
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Prefix
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Showing 10 of 7,848 Results View More >