[Action May Required] Additional Source IP Address for Internet-bound Traffic at IZ1 (September 28, 2026)
We are planning to add redundancy to the external network connectivity of the IZ1-01 cluster during the maintenance scheduled for September 28, 2026.
As part of this work, a source IP address for Internet-bound traffic from IZ1-01 will be added. If you have registered the source IP address in an external service’s allow list, please allow both of the following IP addresses by September 28, 2026.
| Source IP address | |
|---|---|
| Existing | 162.43.139.87/32 |
| Additional | 162.43.139.99/32 |
For the maintenance window and its impact, please refer to Maintenance and Additional Source IP Address for Internet-bound Traffic (September 28, 2026).
Scheduled Date:
Monday, September 28, 2026
Affected Service:
Kubernetes services
Affected Site:
IZ1
Impact:
- Internet-bound traffic will have two source IP addresses
- If only the existing IP address is registered in an external allow list, traffic using the additional IP address will be rejected
For our maintenance policy, please refer to the User Guide.