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ASN Lookup Tool
AS55900 GLBB-1

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS55900
Organisation
GLBB Japan KK
Name
GLBB-1
Total IPv4 Addresses
37,632
Total IPv4 Prefixes
29
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,621 out of 77,666
Registry
Radb
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
2013-10-29
Registration Last Change
Receiving From

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

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS2914
US flagNTT America, Inc.
AS7713
ID flagTelekomunikasi Indonesia (PT)
AS2497
JP flagInternet Initiative Japan Inc.
AS6939
US flagHurricane Electric LLC
Showing 5 of 14
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS714
US flagApple Inc.
AS9824
JP flagJCOM Co., Ltd.
AS31898
US flagOracle Corporation
AS15169
US flagGoogle LLC
AS2514
JP flagNTT PC Communications, Inc.
Showing 5 of 67
IPv4 Active Prefixes

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

Prefix27.0.16.0/21
Range From27.0.16.0
Range To27.0.23.255
Prefix27.0.24.0/22
Range From27.0.24.0
Range To27.0.27.255
Prefix27.0.28.0/23
Range From27.0.28.0
Range To27.0.29.255
Prefix27.0.30.0/24
Range From27.0.30.0
Range To27.0.30.255
Prefix27.0.31.0/24
Range From27.0.31.0
Range To27.0.31.255
Showing 5 of 29
IPv6 Active Prefixes
Prefix2404:2d00::/32
Range From2404:2d00::
Range To2404:2d00:ffff:ffff:ffff:ffff:ffff:ffff
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.