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Data as of Nov 8, 2026

66.133.48.0/21

No anonymizer space · no proxy exits in 30 days

SES Astra S.A. · space held by SES Americom Inc.

Announcement

this exact prefix

No RPKI

Announced by

Type

Internet provider

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
66.133.48.0/24 since Jun 2017	AS12684	Internet provider	SES Americom Inc.
66.133.49.0/24 since May 2021	AS12684	Internet provider	SES Americom Inc.
66.133.50.0/23 since Jun 2023	AS12684	Internet provider	SES Americom Inc.
66.133.52.0/23 since Sep 2023	AS12684	Internet provider	SES Americom Inc.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS12684

LU

Name: SES Astra S.A.
Type: Internet provider
Registered: Sep 27, 1999
Domain: onastra.fr
Website: www.ses.com/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS12684	ARIN	8000 Gainsford Ct	MNT-SESAM	Oct 21, 2025

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
66.133.54.0/23	AS12684	RADB	CLARO S.A. Customer	MAINT-AS4230	Nov 13, 2023
66.133.54.0/23	AS12684	ARIN	2323 Grimville Rd	MNT-SESAM	Oct 21, 2025
66.133.54.0/24	AS12684	RADB	CLARO S.A. Customer	MAINT-AS4230	Nov 13, 2023
66.133.54.0/24	AS12684	ARIN	2323 Grimville Rd	MNT-SESAM	Oct 21, 2025
66.133.55.0/24	AS12684	RADB	CLARO S.A. Customer	MAINT-AS4230	Nov 13, 2023
66.133.55.0/24	AS12684	ARIN	2323 Grimville Rd	MNT-SESAM	Oct 21, 2025