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ASN Lookup Tool
AS12076 MICROSOFT

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12076
Organisation
Microsoft Corporation
Name
MICROSOFT
Total IPv4 Addresses
2,560
Total IPv4 Prefixes
4
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#20,529 out of 77,666
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-03-16
Registration Last Change
2015-02-23
Receiving From

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

ASN
Organisation
AS8075
US flagMicrosoft Corporation
AS3477
US flagNational Oceanic and Atmospheric Administration
IPv4 Active Prefixes

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

Prefix151.207.40.0/22
Range From151.207.40.0
Range To151.207.43.255
Prefix151.207.44.0/22
Range From151.207.44.0
Range To151.207.47.255
Prefix170.110.229.0/24
Range From170.110.229.0
Range To170.110.229.255
Prefix170.110.247.0/24
Range From170.110.247.0
Range To170.110.247.255
IPv6 Active Prefixes
Prefix2602:fd5e:4::/48
Range From2602:fd5e:4::
Range To2602:fd5e:4: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.