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Data as of Nov 4, 2026

147.28.41.0/24

No anonymizer space · no proxy exits in 30 days

Amazon.com, Inc. · space held by Mimecast Services Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS16509
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS58362, after 5.6 years unannounced

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
147.28.32.0/204,096EU-MIME-01Mimecast Services Limited (ORG-MSL21-RIPE) · GBLEGACYDec 2, 2020[email protected]
└ 147.28.41.0/24256MIMECAST-147-28-41-0-24unknownLEGACYJun 8, 2026[email protected]
via EU-MIME-01

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

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Mimecast Services Limited
Handle
ORG-MSL21-RIPE
Range
147.28.32.0/20
Registration type
LEGACY
Record created
Dec 2, 2020
Legacy
yes
Origin network

AS16509

US
Name
Amazon.com, Inc.
Type
Hosting
Registered
May 4, 2000
Domain
amazon.com
Website
www.amazon.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
294