Data as of Nov 3, 2026

72.152.0.0/14

No anonymizer space

Microsoft Corporation

Announcement

this exact prefix

RPKI valid

Announced by

Type

Hosting

Risk

50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
72.152.0.0/14	262,144	MSFT	Microsoft Corporation (MSFT) · US	Direct Allocation	Dec 11, 2019	[email protected]
└ 72.152.0.0/16	65,536	BLS-72-152-0-0-1003020946	ASM ADSL CBB (C02435321) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.153.0.0/16	65,536	BLS-72-153-0-0-1003020946	MIA ADSL Eeua (C02435322) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.154.0.0/16	65,536	BLS-72-154-0-0-16-1104204201	BNA ADSL CBB (C02740790) · US	Reassigned	Apr 20, 2011	[email protected] via MSFT
└ 72.155.0.0/19	8,192	BLS-72-155-0-0-1003020947	ARD ADSL Eeua (C02435327) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.155.32.0/19	8,192	BLS-72-155-32-0-1003020947	SAV ADSL Eeua (C02435328) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.155.96.0/19	8,192	BLS-72-155-96-0-1003020947	TYS ADSL Eeua (C02435329) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.155.128.0/19	8,192	BLS-72-155-128-0-1003020947	BHM ADSL Eeua (C02435330) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.155.160.0/19	8,192	BLS-72-155-160-0-1003020947	GSP ADSL Eeua (C02435331) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT
└ 72.155.224.0/19	8,192	BLS-72-155-224-0-1003020947	SHV ADSL Eeua (C02435333) · US	Reassigned	Mar 3, 2010	[email protected] via MSFT

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
72.152.0.0/14	AS8075	/14	ARIN	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS8075	RADB	Microsoft	MAINT-AS8075	Nov 13, 2023