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ASN Lookup Tool
AS8070 MICROSOFT-CORP-MSN-AS-BLOCK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS8070
Organisation
Microsoft Corporation
Name
MICROSOFT-CORP-MSN-AS-BLOCK
Total IPv4 Addresses
809,728
Total IPv4 Prefixes
21
Total IPv6 Prefixes
7
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#409 out of 77,667
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1997-03-31
Registration Last Change
2013-09-04
Receiving From

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

ASN
Organisation
AS8075
US flagMicrosoft Corporation
IPv4 Active Prefixes

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

Prefix20.34.0.0/15
Range From20.34.0.0
Range To20.35.255.255
Prefix20.140.0.0/15
Range From20.140.0.0
Range To20.141.255.255
Prefix20.158.0.0/15
Range From20.158.0.0
Range To20.159.255.255
Prefix51.54.0.0/15
Range From51.54.0.0
Range To51.55.255.255
Prefix52.126.0.0/15
Range From52.126.0.0
Range To52.127.255.255
Showing 5 of 21
IPv6 Active Prefixes
Prefix2001:489a:2000::/35
Range From2001:489a:2000::
Range To2001:489a:3fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:489a:4000::/35
Range From2001:489a:4000::
Range To2001:489a:5fff:ffff:ffff:ffff:ffff:ffff
Prefix2603:1063:300::/40
Range From2603:1063:300::
Range To2603:1063:3ff:ffff:ffff:ffff:ffff:ffff
Prefix2603:1063:2100::/40
Range From2603:1063:2100::
Range To2603:1063:21ff:ffff:ffff:ffff:ffff:ffff
Prefix2603:1063:7c00::/38
Range From2603:1063:7c00::
Range To2603:1063:7fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 7
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.