Arbitrum - Notice history

NOVA - Arbiscan experiencing major outage

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

ARB1 - Sequencer - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

ARB1 - Batch Poster - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

ARB1 - Validator - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

ARB1 - Feed - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

ARB1 - Arbiscan - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936
Major outage

NOVA - Sequencer - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

NOVA - Batch Poster - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

NOVA - Validator - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

NOVA - Feed - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

NOVA - Arbiscan - Major outage

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936
Operational

SEPOLIA - Sequencer - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

SEPOLIA - Batch Poster - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

SEPOLIA - Validator - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

SEPOLIA - Feed - Operational

100% - uptime
Jul 1936 · 100.0%Aug · 100.0%Sep · 100.0%

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Jul 1936
Aug 1936
Sep 1936

Notice history

Sep 2025

NOVA - Arbiscan outage
  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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.

Aug 2025

ARB1 - Arbiscan outage
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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.

Arbitrum Snapshot explorer frontend offline
  • Identified
    Identified

    We have identified the issue and are continuing to work on a fix for this incident.

  • Investigating
    Investigating

    https://snapshot-explorer.arbitrum.io/ is currently offline. We are currently investigating this incident.

Arbitrum Sepolia Outage
  • Resolved
    Resolved
    This incident has been resolved.
  • Monitoring
    Monitoring
    On August 21st, at around 17:45 ET, Arbitrum Sepolia experienced a brief outage. A fix has since been rolled out to remediate the issue and Arbitrum Sepolia's functionality was restored. Further investigation, monitoring, and post-mortem activities are being conducted. Please inform our team should you encounter any further issues.
  • Investigating
    Investigating

    Arbitrum Sepolia is offline. Our team is investigating.

NOVA - Arbiscan outage
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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.

Jul 2025

ARB1 - Arbiscan outage
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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
  • Resolved
    Resolved

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

  • Investigating
    Investigating

    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.

Jul 2025 to Sep 2025

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