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// ASN

AS55390

TUSNET Tokyo University of Science, JP

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS55390
Organization
Tokyo University of Science
Description
TUSNET Tokyo University of Science, JP
Registry (RIR)
JPIRR
Created
2010-11-12
Updated
2025-10-02
IPv4 Prefixes
3
IPv6 Prefixes
1

IPv4 Prefixes

3 total
133.31.0.0/16
133.31.0.0/17
133.31.128.0/17

IPv6 Prefixes

1 total
2001:df0:cf::/48

What is AS55390?

AS55390 is an Autonomous System Number (ASN) assigned to Tokyo University of Science. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.