IP address ranges and DNS names

This table gives you IP address ranges and DNS names for the UAT and production environments in the AMER (AWS), AMER (OCI), and EMEA regions. You can use this information to allowlist the IP address or DNS name for your environment.
IP address ranges and DNS names
Environment
Use
Specific DNS
Environment level DNS
IP address listing
Region
Tag
AMER (AWS) UAT
Primary
onesource-idt-det-uat-admin.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
us-east-1
EC2
AMER (AWS) PROD
Primary
onesource-idt-det-amer-admin.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
us-east-1
EC2
AMER (AWS) UAT
Disaster recovery
onesource-idt-det-uat-admin.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
us-west-2
EC2
AMER (AWS) PROD
Disaster recovery
onesource-idt-det-amer-admin.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
us-west-2
EC2
EMEA (AWS) UAT
Primary
onesource-idt-det-eu1-uat-ws.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
eu-central-1
EC2
EMEA (AWS) PROD
Primary
onesource-idt-det-eu1-ws.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
eu-central-1
EC2
EMEA (AWS) UAT
Disaster recovery
onesource-idt-det-eu1-uat-ws.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
eu-west-1
EC2
EMEA (AWS) PROD
Disaster recovery
onesource-idt-det-eu1-ws.hostedtax.thomsonreuters.com
hostedtax.thomsonreuters.com
eu-west-1
EC2
AMER (OCI) UAT
Primary
onesource-idt-det-uat-admin.iv.determination.thomsonreuters.com
determination.thomsonreuters.com
us-ashburn-1
OCI
AMER (OCI) PROD
Primary
onesource-idt-det-amer-admin.iv.determination.thomsonreuters.com
determination.thomsonreuters.com
us-ashburn-1
OCI
AMER (OCI) UAT
Disaster recovery
onesource-idt-det-uat-admin.iv.determination.thomsonreuters.com
determination.thomsonreuters.com
us-phoenix-1
OCI
AMER (OCI) PROD
Disaster recovery
onesource-idt-det-amer-admin.iv.determination.thomsonreuters.com
determination.thomsonreuters.com
us-phoenix-1
OCI

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