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ASN Lookup Tool
AS3488 TSUKUBA-NET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3488
Organisation
Japan Aerospace Exploration Agency 2-1-1 Sengen,..
Name
TSUKUBA-NET
Total IPv4 Addresses
115,200
Total IPv4 Prefixes
17
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,789 out of 78,221
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
IPv4 Active Prefixes

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

Prefix133.56.0.0/18
Range From133.56.0.0
Range To133.56.63.255
Prefix133.56.64.0/19
Range From133.56.64.0
Range To133.56.95.255
Prefix133.56.96.0/22
Range From133.56.96.0
Range To133.56.99.255
Prefix133.56.100.0/24
Range From133.56.100.0
Range To133.56.100.255
Prefix133.56.101.0/24
Range From133.56.101.0
Range To133.56.101.255
Showing 5 of 17
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.