Firewall and connection requirements for the BlackBerry Internet Service

Article ID: KB11036

Type: Support Content

Last Modified: 07-23-2014


Product(s) Affected:

  • BlackBerry Internet Service
Jump to: Environment | Overview
  • BlackBerry Internet Service

To provide proper communication between the BlackBerry Internet Service and the BlackBerry smartphone users email messaging environment, the Mail Service Provider must allow traffic from the following Internet Protocol (IP) ranges to ensure proper communication with the BlackBerry Infrastructure.

IP Address


CIDR Notation





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