Arbitrum - Notice history

This page covers status and maintenance information for Arbitrum Networks including: Arbitrum One, Arbitrum Nova, Arbitrum Sepolia, and the Stylus Testnet. Arbiscan status updates and details for Arbitrum One and Nova can be found on the official Arbiscan status page, which will include information on planned outages.

For the status of network upgrades (e.g. ArbOS versions), please visit the network upgrades page.

Operational
100.0% uptime

ARB1 - Batch Poster - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

ARB1 - Validator - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

ARB1 - Feed - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

ARB1 - Arbiscan - Operational

96.51% uptime
Sep 2025 · 89.65%Oct · 99.94%Nov · 99.94%
Sep 2025
Oct 2025
Nov 2025
Operational

NOVA - Sequencer - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

NOVA - Batch Poster - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

NOVA - Validator - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

NOVA - Feed - Operational

100.0% uptime
Sep 2025 · 100.0%Oct · 100.0%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025
Operational

SEPOLIA - Sequencer - Operational

99.30% uptime
Sep 2025 · 100.0%Oct · 97.96%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

SEPOLIA - Batch Poster - Operational

99.30% uptime
Sep 2025 · 100.0%Oct · 97.96%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

SEPOLIA - Validator - Operational

99.30% uptime
Sep 2025 · 100.0%Oct · 97.96%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

SEPOLIA - Feed - Operational

99.30% uptime
Sep 2025 · 100.0%Oct · 97.96%Nov · 100.0%
Sep 2025
Oct 2025
Nov 2025

Notice history

View current status

Nov 2025

NOVA - Arbiscan outage
ResolvedMajor outage7 minutes
  • ResolvedUTC

    NOVA - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    NOVA - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage1 minute
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage5 minutes
  • UpdateUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • UpdateUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • UpdateUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage1 minute
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage1 minute
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

Oct 2025

NOVA - Arbiscan outage
ResolvedMajor outage
  • ResolvedUTC

    NOVA - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    NOVA - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage4 minutes
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage3 minutes
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

NOVA - Arbiscan outage
ResolvedMajor outage1 minute
  • ResolvedUTC

    NOVA - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    NOVA - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage4 minutes
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

Sep 2025

NOVA - Arbiscan outage
ResolvedMajor outage9 minutes
  • ResolvedUTC

    NOVA - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    NOVA - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

NOVA - Arbiscan outage
ResolvedMajor outage74 hours 14 minutes
  • ResolvedUTC

    NOVA - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    NOVA - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage74 hours 14 minutes
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage1 minute
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

ARB1 - Arbiscan outage
ResolvedMajor outage2 minutes
  • ResolvedUTC

    ARB1 - Arbiscan is now operational! This update was created by an automated monitoring service.

  • InvestigatingUTC

    ARB1 - Arbiscan cannot be accessed at the moment. More details, including information about planned outages, can be found on the Arbiscan status page. This incident was created by an automated monitoring service.

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Sep 2025 to Nov 2025

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