ResearchRouting table, RPKI, IRR & looking glass

AS12076 Microsoft Corporation

AS12076 (MICROSOFT) is registered to Microsoft Corporation in US. It originates 8 prefixes in the global routing table.

2
IPv4 prefixes
6
IPv6 prefixes
2,048
IPv4 addresses
25%
RPKI valid

Who holds AS12076

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS12076
Handle
MICROSOFT
Organization
Microsoft Corporation
Country
US
ASPA
None published

What AS12076 announces

Prefixes originated by AS12076 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
6
IPv4 addresses
2,048 (8 /24s)
RPKI valid
2 25%
RPKI invalid
0
RPKI not found
6
ROAs naming AS12076
14
With an IRR route object
2 25%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS12076 is reached through

The AS just before AS12076 in the paths our looking glass collectors hold, for 8 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.