ASN Lookup Tool
AS45139 MICROSOFT-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS45139
Organisation
Microsoft Singapore Pte. Ltd.
Name
MICROSOFT-AS-AP
Total IPv4 Addresses
512
Total IPv4 Prefixes
1
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#53,633 out of 76,964
Registry
Apnic
Registered Country
JP flag JP
Registered Country Name
Japan
Registered Date
NA
Registration Last Change
2020-07-07
Receiving From

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

ASN
Organisation
IN flagBharti Airtel Limited
IN flagTata Communications Limited
IPv4 Active Prefixes

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

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.