Available on eu-north-1 (Stockholm)

NetBSD 10.1 amd64
ami-06e42a9707a64d92b
NetBSD 10.1 amd64 by drixter@e-utp.net (ec2-user)
Architecture: x86_64
Publish date: 2025-12-20
Root device type: ebs
Virtualization: hvm
ENA enabled: Yes
Boot mode: legacy-bios

NetBSD 10.1 Arm
ami-07cd7639672404936
NetBSD 10.1 Arm by drixter@e-utp.net (ec2-user)
Architecture: arm64
Publish date: 2025-12-19
Root device type: ebs
Virtualization: hvm
ENA enabled: Yes
Boot mode: uefi

Available on eu-central-1 (Frankfurt)

NetBSD 10.1 amd64
ami-0461e97d4fc700c6c
NetBSD 10.1 amd64 by drixter@e-utp.net (ec2-user)
Architecture: x86_64
Publish date: 2025-12-26
Root device type: ebs
Virtualization: hvm
ENA enabled: Yes
Boot mode: legacy-bios

NetBSD 10.1 Arm
ami-008a0557d7ac250fb
NetBSD 10.1 Arm by drixter@e-utp.net (ec2-user)
Architecture: arm64
Publish date: 2025-12-26
Root device type: ebs
Virtualization: hvm
ENA enabled: Yes
Boot mode: uefi

Created using information from here and here.

Tested and working.