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    Summon: External IP Address Ranges

    • Product: Summon

    What are the external IP address ranges for the Summon service?

    The Summon external IP address ranges are as follows:

    CIDR Format

    Equivalent IP Range

    66.151.7.0/24

    66.151.7.1 - 66.151.7.254

    165.193.81.224/28

    165.193.81.225 - 165.193.81.23

    165.193.78.32/28

    165.193.78.33 - 165.193.78.46

    205.217.165.64/26

    205.217.165.65 - 205.217.165.126

    216.147.209.15/32

    216.147.209.15

    216.147.212.85/32

    216.147.212.85

    216.147.208.176/32

    216.147.208.176

    216.147.209.15/32

    216.147.209.15

    These are all normal (http) connections, not secure http (https).

    These are provided for Summon library clients for purposes such as the following:

    • Provide to your vendors who will be integrating with the Summon service.

    • Add to your OPAC to support Real-Time Availability calls.


    • Date Created: 9-Feb-2014

    • Last Edited Date: 5-Mar-2020

    • Old Article Number: 8781