8c9cf092_ugh_vrrp_sso__Support____Cisco_ised_routes_Field_Descriptions_Description
[Field] Origin codes [Description] 
Origin of the entry. The origin code is placed at the end of each line in the table. It can be one of the following values: i—Entry originated from Interior Gateway Protocol (IGP) and was advertised with a network router configuration command. e—Entry originated from Exterior Gateway Protocol (EGP). ?—Origin of the path is not clear. Usually, this is a route that is redistributed into BGP from an IGP.
Cisco IOS High Availability Command Reference - show call-home through vrrp sso [Support] - Cisco