Active Incident
If you are experencing an NBN Fault, please check first the NBN Outage Page - https://www.nbnco.com.au/support/network-status If you are experencing an issue with a Telstra Wholesale Fixed or Mobile Service - https://www.telstra.com.au/outages

Intercapital/International Backhaul Networks




Partial Service Disruption

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Operational

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Indigo West Perth-SingaporePartial Service Disruption

Incident Status

Partial Service Disruption

Components

Intercapital/International Backhaul Networks

Locations

Singapore, WA


August 8, 2026 6:05PM AEST
August 8, 2026 8:05AM UTC
INVESTIGATING

We are currently investigating an outage on Indigo West from Perth to Singapore. Traffic on protected services and Internet Services will route through alternate routes.

August 8, 2026 9:26PM AEST
August 8, 2026 11:26AM UTC
IDENTIFIED

Indigo has advised that the system is hard down due to a Shunt fault. Additional diagnostics are underway at present.

August 9, 2026 2:30AM AEST
August 8, 2026 4:30PM UTC
IDENTIFIED

We have confirmed the root cause as a shunt fault within our provider's infrastructure. Our provider is actively working with their equipment vendor to conduct a detailed investigation and determine the full scope of the issue. We are monitoring this situation closely and maintaining direct contact with our provider. While we do not have additional details to share at this time, we are committed to keeping you informed as the investigation progresses. We will provide our next update as soon as we receive further information from our provider.

August 10, 2026 5:22PM AEST
August 10, 2026 7:22AM UTC
IDENTIFIED

The fault location is estimated at 65km from Perth Cable Landing Station based on testing but awaiting the vendor to review test results and confirm. The Indigo Team has engaged their marine maintenance operator for vessel allocation and planning of the repairs. ETA is on 26 Aug 2026. All timelines remain subject to clearance, logistics arrangement and weather conditions. Our teams remain fully engaged and will continue to monitor the situation closely. We will provide further details as they become available.

August 16, 2026 12:16AM AEST
August 15, 2026 2:16PM UTC
IDENTIFIED

We would like to provide you with the latest update regarding the shunt fault in Indigo West cable system. The fault location is estimated at 47.624km from Perth Cable Landing Station or 28.5km from the nearest repeater. The Indigo Team has engaged their marine maintenance operator for vessel allocation and planning of the repairs. ETA is on 30 Aug 2026 with an ETR on 4 Sep 2026. All timelines remain subject to clearance, logistics arrangement and weather conditions. Our teams remain fully engaged and will continue to monitor the situation closely. We will provide further details as they become available.

August 25, 2026 3:01PM AEST
August 25, 2026 5:01AM UTC
IDENTIFIED

The repair ship will be repairing the Shunt Fault off Perth between the 2nd and 11th of September.

September 9, 2026 2:02PM AEST
September 9, 2026 4:02AM UTC
IDENTIFIED

We have been advised by Indigo that the estimated repairs to Indigo West has an updated ETR of the 16th of September with additional extended contingency till the end of 20th of September due to new faults found.

September 16, 2026 6:45PM AEST
September 16, 2026 8:45AM UTC
IDENTIFIED

We would like to provide you with the latest update regarding the shunt fault in Indigo West cable system. Our submarine cable provider has informed the completion of restoration works as scheduled was completed on 15 September 03:53 UTC. They have powered up Indigo West after the final bight was released and power control was handed back to CLS. However, traffic failed to restore. Further testing has revealed that the fault initially identified as a shunt fault, has now deteriorated into a full cut. The restoration schedule planned for 02 until 09 October 2026, is now under review by Indigo. Further updates will be shared as new information becomes available.

Scheduled Maintenance

NBN POI 3FSR (Footscray) - Fibre Cable - Damage/Joint UpgradePlanned Maintenance

Schedule

September 23, 2026 12:00AM - 7:00AM AEST
September 22, 2026 2:00PM - 9:00PM UTC

Components

NBN

Locations

VIC

Description

We have been advised by our backhaul carrier for 3FSR (Footscray) that they will be performing a Fibre Cable - Damage/Joint Upgrade which may affect nbn services to this POI for up to 7 hours during the outage window.
NBN POI 3FSR (Footscray), 3SMR (South Morang), 3NBA (North Balwyn), 3MTE (Mount Eliza), 3GEE (Geelong), 3RWO (Ringwood), 3BEN (Bendigo), 3KGP (Kings Park), 3SHP (Shepparton), 3HAW (Hawthorn), 3KAL (Karingal), 3LIL (Lilydale), 3STK (St Kilda), 3CAU (Caulfield), 3WHL (Wheelers Hill), 3TMN (Tullamarine), 3WER (Werribee) - Fibre Cable - Damage/Joint Upgrade Planned Maintenance

Schedule

September 24, 2026 12:00AM - 7:00AM AEST
September 23, 2026 2:00PM - 9:00PM UTC

Components

NBN

Locations

VIC

Description

We have been advised by our backhaul carrier for 3FSR (Footscray), 3SMR (South Morang), 3NBA (North Balwyn), 3MTE (Mount Eliza), 3GEE (Geelong), 3RWO (Ringwood), 3BEN (Bendigo), 3KGP (Kings Park), 3SHP (Shepparton), 3HAW (Hawthorn), 3KAL (Karingal), 3LIL (Lilydale), 3STK (St Kilda), 3CAU (Caulfield), 3WHL (Wheelers Hill), 3TMN (Tullamarine), 3WER (Werribee) - that they will be performing Fibre Cable - Damage/Joint Upgrades which may affect nbn services to this POI for up to 6 hours during the outage window.
NBN POI 4APL (Aspley), 4CAB (Caboolture), 4KLG (Petrie) - 3rd party replacement of 3 underground cables Planned Maintenance

Schedule

September 24, 2026 11:00PM - September 25, 2026 7:00AM AEST
September 24, 2026 1:00PM - September 24, 2026 9:00PM UTC

Components

NBN

Locations

QLD

Description

We have been advised by our backhaul carrier for 4APL (Aspley), 4CAB (Caboolture), 4KLG (Petrie) that they will be performing 3rd party replacement of 3 underground cables which may affect nbn services to this POI for up to 7 hours during the outage window.
NBN POI 3TMN (Tullamarine), 3STK (St Kilda), 3KAL (Karingal), 3SMR (South Morang), 3KGP (Kings Park), 3WER (Werribee) - Cable RepairPlanned Maintenance

Schedule

September 29, 2026 12:00AM - 7:00AM AEST
September 28, 2026 2:00PM - 9:00PM UTC

Components

NBN

Locations

VIC

Description

We have been advised by our backhaul carrier for 3TMN (Tullamarine), 3STK (St Kilda), 3KAL (Karingal), 3SMR (South Morang), 3KGP (Kings Park), 3WER (Werribee) - that they will be performing a Cable repair which may affect nbn services to this POI for up to 7 hours during the outage window.
NBN POI 2RYD (Ryde), 2CFS (Coffs Harbour), 2DAL (Dalley), 2GRN (Grafton) - Card ReplacementPlanned Maintenance

Schedule

September 30, 2026 12:00AM - 6:00AM AEST
September 29, 2026 2:00PM - 8:00PM UTC

Components

NBN

Locations

NSW

Description

We have been advised by our backhaul carrier for 2RYD (Ryde), 2CFS (Coffs Harbour), 2DAL (Dalley), 2GRN (Grafton) - that they will be performing a card replacement which may affect nbn services to this POI for up to 6 hours during the outage window.
NBN POI 4CAB (Caboolture), 4KLG (Petrie) - Cable network cutoverPlanned Maintenance

Schedule

October 1, 2026 12:00AM - 6:00AM AEST
September 30, 2026 2:00PM - 8:00PM UTC

Components

NBN

Locations

QLD

Description

We have been advised by our backhaul carrier for 4CAB (Caboolture), 4KLG (Petrie) that they will be performing a Cable network cutover which may affect nbn services to this POI for up to 6 hours during the outage window.
Indigo West (Perth-Singapore) Shunt Fault Repairs (Singapore)Planned Maintenance

Schedule

October 2, 2026 10:00AM - October 9, 2026 10:00AM AEDT
October 2, 2026 12:00AM - October 8, 2026 11:00PM UTC

Components

Intercapital/International Backhaul Networks

Locations

Singapore, WA

Description

The Indigo West subsea shunt fault repairs have been delayed until at least August 25th, however Indigo will still be proceeding with the planned system upgrade and migration of services. Traffic across this link may be down for up to 3 days during the maintenance window. Please note, the original maintenance window for the subsea shunt fault repairs was for an outage up to 11 days from Jul 24, 2026 14:00 UTC to Aug 04, 2026 22:00 UTC. Indigo are planning to proceed with System Upgrades during the original maintenance window, targeting a planned start on Jul 25, 2026 00:00 UTC, ending by Jul 28, 2026 17:00 UTC. Internet traffic between Perth and Singapore will take alternate routes during this outage. Protected Layer 2 Ethernet services will take alternate routes during this outage.

July 14, 2026 1:36PM AEST
July 14, 2026 3:36AM UTC
UPDATE

Indigo has rescheduled these works from the Jul 25, 2026 00:00 UTC, ending by Jul 28, 2026 17:00 UTC to Aug 1, 2026 00:00 UTC, ending by Aug 4, 2026 14:00 UTC.

July 22, 2026 4:32PM AEST
July 22, 2026 6:32AM UTC
UPDATE

Indigo has rescheduled System Upgrade works (non-shunt related) from the 1st through to the 4th, to 15th till the 17th of August. Start Time: Aug 15, 2026 00:00 UTC End TimeL Aug 17, 2026 14:00 UTC

August 25, 2026 2:59PM AEST
August 25, 2026 4:59AM UTC
UPDATE

Singapore End Shunt works delayed until the 2nd of October
NBN POI 5ADA (Lonsdale Depot) - Cable cutover and relocationPlanned Maintenance

Schedule

October 6, 2026 11:30PM - October 7, 2026 6:30AM AEDT
October 6, 2026 12:30PM - October 6, 2026 7:30PM UTC

Components

NBN

Locations

SA

Description

We have been advised by our backhaul carrier for 5ADA (Lonsdale Depot) that they will be performing a Cable cutover and relocation which may affect nbn services to this POI for up to 7 hours during the outage window.
NBN POI 2PTH (Penrith), 2GBE (Glebe) - Migration of ServicesPlanned Maintenance

Schedule

October 21, 2026 12:00AM - 7:00AM AEDT
October 20, 2026 1:00PM - 8:00PM UTC

Components

NBN

Locations

NSW

Description

We have been advised by our backhaul carrier for 2PTH (Penrith), 2GBE (Glebe) - that they will be performing a migration of services which may affect nbn services to this POI for up to 8 hours during the outage window.

External Services

AWS EC2

AWS S3

MS Office365