Data as of Nov 14, 2026

117.53.166.0/24

No anonymizer space · no proxy exits in 30 days

ac3, Australian Centre for Advanced Computing and Communications · space held by Australian Centre for Advanced Computing and Communication Pty Ltd

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
117.53.160.0/20
since Dec 2020
AS17918HostingAustralian Centre for Advanced Computing and Communication Pty Ltd

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
117.53.160.0/204,096AC3-MEMBER-AUAustralian Centre for Advanced Computing and Communication Pty Ltd (ORG-ACFA1-AP) · AUALLOCATED PORTABLE—abuse@ac3.com.au
└ 117.53.160.0/212,048BULLETPROOF-CLOUDBulletproof, Mission Critical CloudALLOCATED NON-PORTABLE—abuse@ac3.com.au

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2011
Current origin since
Dec 2020 · 5.9 yr
Origin networks
2
Last change of origin
Dec 2020
Recorded history

History

Handoffs
1