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ASN Lookup Tool
AS51044 RHE

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS51044
Organisation
Kazuki Yamaguchi
Name
RHE
Total IPv4 Addresses
512
Total IPv4 Prefixes
3
Total IPv6 Prefixes
14
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#48,085 out of 77,675
Registry
Ripe
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
2019-09-03
Registration Last Change
2023-12-29
Receiving From

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

ASN
Organisation
AS20473
US flagThe Constant Company, LLC
AS34549
DE flagmeerfarbig GmbH & Co. KG
AS35487
US flagMisaka Network, Inc.
AS57695
US flagMisaka Network, Inc.
AS57578
US flagMisaka Network, Inc.
Showing 5 of 6
IPv4 Active Prefixes

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

Prefix45.148.172.0/24
Range From45.148.172.0
Range To45.148.172.255
Prefix45.148.173.0/24
Range From45.148.173.0
Range To45.148.173.255
Prefix45.148.174.0/23
Range From45.148.174.0
Range To45.148.175.255
IPv6 Active Prefixes
Prefix2407:9240:2500::/40
Range From2407:9240:2500::
Range To2407:9240:25ff:ffff:ffff:ffff:ffff:ffff
Prefix2a0f:600::/48
Range From2a0f:600::
Range To2a0f:600:0:ffff:ffff:ffff:ffff:ffff
Prefix2a0f:600:604::/48
Range From2a0f:600:604::
Range To2a0f:600:604:ffff:ffff:ffff:ffff:ffff
Prefix2a0f:600:605::/48
Range From2a0f:600:605::
Range To2a0f:600:605:ffff:ffff:ffff:ffff:ffff
Prefix2a0f:600:606::/48
Range From2a0f:600:606::
Range To2a0f:600:606:ffff:ffff:ffff:ffff:ffff
Showing 5 of 14
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.