Method for managing a set of IP addresses, collaboration method, and devices configured to implement these methods

A first device locatable in a network, said first device configured to manage a first set of IP addresses and comprising:

• at least one processor;
• and
• at least one non-transitory computer readable medium comprising instructions stored thereon which when executed by the at least one processor configure the first device to:
• detect suspicious behavior associated with an IP address of said first set selected by the first device for processing at least one data packet from a client equipment served by the first device;
• execute, following said detection, at least one action from between:
• an adjustment of at least one sharing ratio of at least one IP address of the first set applied by the first device;
• a request, addressed to at least a second device managing a second set of IP addresses, to delegate at least one IP address of the second set to the first device in order for the first device to be able to select said at least one delegated IP address for processing at least one data packet of at least one client equipment served by the first device.

A second device locatable in a network, said second device configured to manage a second set of IP addresses and comprising:

• at least one processor;
• and
• at least one non-transitory computer readable medium comprising instructions stored thereon which when executed by the at least one processor configure the second device to:
• receive a request, coming from a first device managing a first set of IP addresses comprising an IP address associated with suspicious behavior, to delegate at least one IP address of the second set to the first device in order for the first device to be able to select said at least one delegated IP address for processing at least one data packet of at least one client equipment served by the first device;
• and
• send to the first device a list comprising at least one IP address of the second set delegated by said second device to the first device.