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Data as of Nov 14, 2026

166.120.200.0/22

No anonymizer space · no proxy exits in 30 days

Westpac Bank · space held by Westpac Banking Corporation

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
166.120.202.0/24 since Jun 2022	AS9426	Business	Westpac Banking Corporation
166.120.203.0/24 since Jun 2022	AS9426	Business	Westpac Banking Corporation

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: Feb 2023
Current origin since: Feb 2023 · 3.7 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
166.120.200.0/22	AS9426	/24	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS9426	APNIC	Westpac Banking Corporation	MAINT-WESTPAC-AU	Sep 18, 2026

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
166.120.200.0/23	AS9426	RADB	Akamai Technologies, Inc.	MAINT-AS32787	Mar 31, 2026
166.120.200.0/23	AS9426	APNIC	Westpac Banking Corporation	MAINT-WESTPAC-AU	Sep 18, 2026
166.120.200.0/24	AS9426	APNIC	Westpac Banking Corporation	MAINT-WESTPAC-AU	Sep 18, 2026
166.120.201.0/24	AS9426	APNIC	Westpac Banking Corporation	MAINT-WESTPAC-AU	Sep 18, 2026
166.120.202.0/23	AS9426	RADB	166.120.202.0/23	MAINT-AS32787	Nov 13, 2023
166.120.202.0/23	AS9426	APNIC	Westpac Banking Corporation	MAINT-WESTPAC-AU	Sep 18, 2026