Data as of Nov 4, 2026

61.88.192.0/20

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

89% of it

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
61.88.0.0/16	65,536	OPTUSCOM-AU	SingTel Optus Pty Ltd (ORG-SOPL2-AP) · AU	ALLOCATED PORTABLE	—	[email protected]
└ 61.88.195.176/29	8	DORMERSACCOUNTANTANDBUSINESSADVISORS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.199.92/30	4	METABOPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.0/29	8	ANDREWAGNEW	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.8/29	8	NETWORKCONSULTINGANDINTEGRATION	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.16/30	4	GRANGEFURNITUREAUST	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.20/30	4	YOURHEALTHMANLY	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.24/29	8	GOLDFAITH	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.32/29	8	ABSORBENVIRONMENTAL	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.40/29	8	PLANNINGLINK	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.48/29	8	HACOSTPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.56/29	8	REPROGRAPHICS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.64/30	4	CONNECTENGINEERING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.68/30	4	CONNECTENGINEERING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.72/29	8	BERNRESHPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.80/30	4	SMDCYCLICPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.84/30	4	DILIPMEHTA	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.88/29	8	CITYTELEPHONECOMPANY	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.96/29	8	JEREMYMACPHERSON	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.104/29	8	GARYJENNERPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.112/30	4	SMSDIESELSPARES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.116/30	4	CONTIPROPERTYGROUP	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.120/29	8	OBSEQUIPMENT	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.128/29	8	SIDGREAVESGROUP	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.136/29	8	LINDSAYCONSULTING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.144/29	8	FIELDFORCEPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.152/29	8	WOODSUNPRODUCTS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.160/30	4	ROO8PTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.164/30	4	SACANDON	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.168/29	8	REALTIMEAUCTIONS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.176/28	16	CROSSML	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.192/29	8	ROYALAUSTINSTITUTEOFARCHITECTS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.200/30	4	SMSDIESELSPARES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.204/30	4	REALTIMEAUSTIONSPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.216/30	4	FITSALESPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.220/30	4	MULTIMEDIABUYINGNPLANNING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.224/29	8	RAMSGATERSLMEMORIALCLUB	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.232/30	4	NEWCHILDRENSHOSPITAL	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.236/30	4	MASKPACK	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.240/29	8	NEWCASTLEHARNESSRACINGCLUB	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.203.248/29	8	ETHANGGRP	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.84/30	4	GOFORWARD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.88/29	8	NOOKART	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.96/29	8	FPDSAVILIS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.104/30	4	SMSDIESELSPARES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.108/30	4	ELLIOTREALESTATE	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.112/30	4	ELLIOTREALESTATE	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.116/30	4	SMSDIESELSPARES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.120/29	8	HAYSOMARCHITECTS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.128/29	8	LORIKEETGROUP	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.136/29	8	LORIKEETDEVELOPMENTS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.144/29	8	STATEEMERGENCYSERVICES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.152/30	4	SYNERGYINTL	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.156/30	4	SMSDIESELSPARES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.160/29	8	JRHBIOSCIENCES	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.168/30	4	DISTINCTCONNECTPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.172/30	4	A1SCAFFOLDING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.176/30	4	CYBERAUSTRALIA	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.180/30	4	ATLCOMPOSITESPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.184/29	8	INTEGRATEDCONTROLSANDENGINEERING	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.192/30	4	RKBIMPORTS	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.196/30	4	AVIBEFINANCEPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.200/29	8	TOYOTAPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.208/29	8	CAMPERDOWNCELLARSPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.216/29	8	AUSTRALIANHOTELSASSOC	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.224/29	8	ISPONE	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.232/30	4	DEPTOFSUSTAINABILITYANDENVIRONMENTVICGOVT	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.236/30	4	PERTHDOORSERVICESPTYLTD	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.240/30	4	ITSMANAGEMENT	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.244/30	4	CHAMELEONELECTRONIC	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.248/30	4	NEAMI	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] via OPTUSCOM-AU
└ 61.88.207.252/30	4	DYNAMICELECTRICAL	OPTUS Customer Network	ASSIGNED NON-PORTABLE	—	[email protected] 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

4,096 addresses

Type	Addresses	Share	Ranges
Internet provider	3,664	89%	5
Business	432	11%	71

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS7474

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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
61.88.192.0/20	AS7474	/20	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS7474	APNIC	Singtel Optus Pty Ltd	MAINT-OPTUSCOM-AP	Jan 22, 2025

61.88.192.0/20

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS7474

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact