Data as of Nov 13, 2026

102.133.0.0/16

2 residential-proxy exits · 30 days

Microsoft Corporation · space held by Microsoft (S.A.) (Proprietary) Limited

Announcement

this exact prefix

RPKI valid

Announced by

AS8075

Type

Hosting

Risk

50 / 100 · Medium

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Oct 14, 2026 – Nov 12, 2026

Exits seen per day

18 observations

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
102.133.0.0/16	65,536	Microsoft-v4	Microsoft (S.A.) (Proprietary) Limited (ORG-ML12-AFRINIC) · ZA	ALLOCATED PA	—	—
└ 102.133.0.0/18	16,384	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.64.0/19	8,192	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.96.0/20	4,096	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.120.0/21	2,048	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.128.0/18	16,384	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.192.0/19	8,192	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.224.0/20	4,096	Microsoft	Microsoft	ASSIGNED PA	—	—
└ 102.133.248.0/21	2,048	Microsoft	Microsoft	ASSIGNED PA	—	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: Sep 2018
Current origin since: Sep 2018 · 8.2 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
102.133.0.0/16	AS8075	/16	AFRINIC	RPKI valid

IRR

Route objects on the exact prefix

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

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
102.133.0.0/17	AS8075	RADB	Microsoft	MAINT-AS8075	Nov 13, 2023
102.133.128.0/17	AS8075	RADB	Microsoft	MAINT-AS8075	Nov 13, 2023