Transcription of MessageLabs IP Ranges - Graig
1 Classification: Public Version: MessageLabs IP Ranges MessageLabs strongly recommends that you lock down traffic to and from your Internet gateway to the IP Ranges for your region, as listed below. If you are unsure of the region to select, see the email you received when you were first provisioned with the service. Whenever you make any network configuration changes involving IP restrictions, both temporary and permanent, please refer to the latest version of this document: IP Ranges . All Regions Email, Web & IM Scanning Services Important: All clients MUST allow traffic to and from these Ranges Subnet IP Subnet mask Net mask IP Range /20 - /20 - /21 - /21 - /21 - /23 - /23 - /23 - Asia Pacific clients (Australia, Japan, Hong Kong, Singapore) Web Scanning Service only Important.
2 Allow traffic to and from these Ranges IN ADDITION TO the 8 global Ranges above Subnet IP Subnet mask Net mask IP Range /27 - /27 - /27 - Clients based in Oman Email Scanning Service only Important: Allow traffic to and from these Ranges IN ADDITION TO the 8 global Ranges above Subnet IP Subnet mask Net mask IP Range /26 - /27.