Data as of Nov 6, 2026

146.144.0.0/21

No anonymizer space · no proxy exits in 30 days

SingTel Optus Pty Ltd · space held by Department of Health and Human Services

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

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
146.144.0.0/212,048DOHAHSVDepartment of Health and Human Services (ORG-DOHA1-AP) · AUALLOCATED PORTABLE—Info.security@health.vic.gov.au
└ 146.144.0.0/25128HTS-HRHAHTS-Hume Rural Health AllianceASSIGNED NON-PORTABLE—Info.security@health.vic.gov.au

Network & registry

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