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Data as of Nov 6, 2026

203.202.128.0/18

No anonymizer space · no proxy exits in 30 days

SingTel Optus Pty Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS7474
Type
Internet provider
99% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
203.202.191.0/24
since Oct 2015
AS7474Internet providerSingTel Optus 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
203.202.128.0/1816,384OPTUSCOM-AUSingTel Optus Pty Ltd (ORG-SOPL2-AP) · AUALLOCATED PORTABLE—abuse@optusnet.com.au
└ 203.202.130.184/298COLLIERSWAOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.131.64/2816MACQUARIETELECOMOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.132.0 - 203.202.135.0769WORKFLOWSYSTEMSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.151.160/304FLORIDAVIEWOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.156.64/2816UNIVERSITYCOOPOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.172.60/304AUSTECKPTYLTDOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.173.176/2816IMSHEALTHOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.174.0/25128OPTUSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.174.128/2732OPTUSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.174.160/2732OPTUSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.174.192/2732OPTUSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.181.76/304BRUCEFOYEOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.181.96/2816SINGTELOPTUSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.181.200/298CATMEDIAOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.181.240/2816SURFCONTROLOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.187.128/2664C10COMMUNICATIONSOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU
└ 203.202.187.204/304FORDAUSTRALIAOPTUS Customer NetworkASSIGNED NON-PORTABLE—abuse@optusnet.com.au
via OPTUSCOM-AU

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider16,20899%14
Business1761.1%12

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS7474

AU
Name
SingTel Optus Pty Ltd
Type
Internet provider
Registered
Feb 3, 1997
Domain
optus.com.au
Website
optus.com.au/business/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed