Data as of Nov 3, 2026

203.23.78.0/24

No anonymizer space · no proxy exits in 30 days

SingTel Optus Pty Ltd · space held by City of Boroondara

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

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