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ASN Lookup Tool
AS9591 NIFSNET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS9591
Organisation
National Institute for Fusion Science 322-6 Oros..
Name
NIFSNET
Total IPv4 Addresses
65,536
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,107 out of 78,225
Registry
Apnic
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
Registration Last Change
2024-10-23
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS2907
JP flagfor assignment to JPNIC members
AS7690
JP flagMirai Communication Network Inc. 4-1-12,Kagano,O..
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix133.75.0.0/16
Range From133.75.0.0
Range To133.75.255.255
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.