We're used to mobile phone number portability, but it's the first time i hear of IP address portability, in this case between 2 non-profit Internet Service Providers in France.
It's true portability for clients between two different AS, you don't need to have your own IP range.
selfhoster1312•14m ago
It's true portability for clients between two different AS, you don't need to have your own IP range.