ASN Lookup Tool
AS2500 WIDE Project

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 Details

ASN
AS2500
Organisation
WIDE Project
AS Name
WIDE-BB
IPv4 Addresses Announced
193,920
IPv4 Prefixes Announced
14
Bogon Prefixes Announced
0
IPv4 Space Rank
#1,170 out of 74,715
Registry
JPNIC
Registered Country
JP flag JP
Registration Date
Registration Change

Receiving From

ASN
Organisation
ASN
Organisation
JP flag NTT Communications Corporation
ASN
Organisation
JP flag KDDI Corporation
ASN
Organisation
US flag NTT America Inc.
ASN
Organisation
JP flag Internet Initiative Japan Inc.
ASN
Organisation
JP flag Asia Pacific Advanced Network Japan
ASN
Organisation
AU flag APIDT Infrastructure Pty Ltd

Transit To

ASN
Organisation
ASN
Organisation
JP flag Research Organization of Information and Systems National Institute of Informatics
ASN
Organisation
JP flag The University of Tokyo
ASN
Organisation
JP flag Keio University
ASN
Organisation
JP flag Japan Advanced Institute of Science and Technology
ASN
Organisation
JP flag Tokyo Institute of Technology
ASN
Organisation
JP flag Japan Advanced Institute of Science and Technology
ASN
Organisation
JP flag Japan Network Information Center
ASN
Organisation
JP flag Nara Institute of Science and Technology National University Corporation
ASN
Organisation
AU flag APIDT Infrastructure Pty Ltd
ASN
Organisation
JP flag WIDE Project
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Active Prefixes

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