What is AWS ResolverNetworkInterface?

Last updated: April 27, 2025

The Route 53 Resolver feature enables DNS resolution between an on-premises network and AWS VPCs in the Regions. Each Resolver endpoint requires at least 2 IP addresses, which have a corresponding Elastic Network Interface (ENI). Charges apply for the number of hours the ENI is running.

Available Regions The prefix represents the region.
Line Item Region
APN1-ResolverNetworkInterface Asia Pacific region in Tokyo, Japan
APN2-ResolverNetworkInterface Asia Pacific region in Seoul, South Korea
APN2-ResolverNetworkInterface-SecurityEnabled Asia Pacific region in Seoul, South Korea
APS1-ResolverNetworkInterface Asia Pacific region in Singapore
APS1-ResolverNetworkInterface-SecurityEnabled Asia Pacific region in Singapore
APS2-ResolverNetworkInterface Asia Pacific region in Sydney, Australia
APS3-ResolverNetworkInterface Asia Pacific region in Mumbai, India
CAN1-ResolverNetworkInterface Canada region in Central Canada
CAN2-ResolverNetworkInterface Canada region in Eastern Canada
EU-ResolverNetworkInterface Europe (Regional Designation)
EUC1-ResolverNetworkInterface Europe region in Frankfurt, Germany
EUN1-ResolverNetworkInterface Europe region in Stockholm, Sweden
EUW2-ResolverNetworkInterface Europe region in London, United Kingdom
EUW3-ResolverNetworkInterface Europe region in Paris, France
SAE1-ResolverNetworkInterface South America region in São Paulo, Brazil
UGE1-ResolverNetworkInterface AWS GovCloud region in US East
UGW1-ResolverNetworkInterface AWS GovCloud region in US West
USE1-ResolverNetworkInterface US East region in Northern Virginia
USE1-ResolverNetworkInterface-SecurityEnabled US East region in Northern Virginia
USE2-ResolverNetworkInterface US East region in Ohio
USE2-ResolverNetworkInterface-SecurityEnabled US East region in Ohio
USW1-ResolverNetworkInterface US West region in Northern California
USW1-ResolverNetworkInterface-SecurityEnabled US West region in Northern California
USW2-ResolverNetworkInterface US West region in Oregon
USW2-ResolverNetworkInterface-SecurityEnabled US West region in Oregon