Home Prefix Lookup2a01:111:f000::/36

2a01:111:f000::/36 - Microsoft Corporation (AS8075)

IPv6RIPE NCCannouncedAS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation RPKI Valid

CIDR

2a01:111:f000::/36

IP Version

IPv6

Addresses

4951.7Y

Mask

/36

Country

🇬🇧 United Kingdom

City

London

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2a01:111:f000::/36	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	Other IRRRIPE	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2a01:111::/32	AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a01:111:f000::/36	AS8075	/36	ripe
2a01:111::/32	AS8075	/32	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS8075	Other IRR	MAINT-AS8075	2023-11-13
AS8075	RIPE	MICROSOFT-MAINT	2020-08-17

Origin ASN

AS8075

MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation

Related Prefixes

Covering prefix

2a01:111::/32AS8075

More prefixes of AS8075

All prefixes of AS8075 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.5072, -0.1276 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a01:111:f000::/36

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2a01:111:f000::/36" | jq

External Links

RIPEstat