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% - uptime

ARB1 - Batch Poster - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

ARB1 - Validator - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

ARB1 - Feed - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

ARB1 - Arbiscan - Operational

97% - uptime
Jul 2025 · 99.98%Aug · 99.97%Sep · 89.65%
Jul 2025
Aug 2025
Sep 2025
Operational

NOVA - Sequencer - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

NOVA - Batch Poster - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

NOVA - Validator - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

NOVA - Feed - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 100.0%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025
Operational

SEPOLIA - Sequencer - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 98.80%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

SEPOLIA - Batch Poster - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 98.80%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

SEPOLIA - Validator - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 98.80%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

SEPOLIA - Feed - Operational

100% - uptime
Jul 2025 · 100.0%Aug · 98.80%Sep · 100.0%
Jul 2025
Aug 2025
Sep 2025

Notice history

View current status

Sep 2025

NOVA - Arbiscan outage
ResolvedMajor outage9 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage74 hours 14 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage74 hours 14 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage1 minute
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage2 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage2 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage64 hours 43 minutes
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified

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

  • Investigating
    UTC
    Investigating

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

NOVA - Arbiscan outage
ResolvedMajor outage1 minute
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage5 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage2 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage7 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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
ResolvedMajor outage11 minutes
  • Resolved
    UTC
    Resolved

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

  • Investigating
    UTC
    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.

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Jul 2025 to Sep 2025

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