54.66.128.0/17

🇦🇺

CIDR

54.66.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇦🇺 Australia

City

Sydney

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
54.66.128.0/17	AS16509AMAZON-02 - Amazon.com, Inc.	Valid	RADB	6/13/2026

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
54.64.0.0/13	AS16509AMAZON-02 - Amazon.com, Inc.	Valid	—	6/13/2026

Prefix	Origin	Max Length	Trust Anchor
54.66.128.0/17	AS16509	/17	arin
54.66.0.0/16	AS16509	/16	arin
54.64.0.0/13	AS16509	/13	arin

Origin	Registry	Maintainer	Modified
AS16509	RADB	MAINT-AS16509	11/13/2023

Origin ASN

Geolocation

Country🇦🇺AustraliaAU

CitySydney

API

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

curl -s "https://api.ipctl.io/v1/prefix/54.66.128.0/17" | jq

External Links