A radio frequency spectrum interference coordination system comprising: a communication interface; and an electronic processor coupled to the communication interface and configured to send a proxy spectrum inquiry request to a spectrum management entity via the communication interface; receive, from the spectrum management entity via the communication interface, a proxy spectrum inquiry response including a spectrum allocation, the spectrum allocation including an allocation frequency range; determine, based on a desired inter-cell interference coordination scheme, a first frequency range for a first base station, and a second frequency range for a second base station, the first and second frequency ranges being distinct from each other and bounded by the allocation frequency range; send a first spectrum inquiry response, including the first frequency range, to the first base station via the communication interface; send a second spectrum inquiry response, including the second frequency range, to the second base station via the communication interface; send a proxy grant request based on the first and second frequency ranges to the spectrum management entity via the communication interface; receive a proxy grant response based on the proxy grant request from the spectrum management entity via the communication interface; send a first grant response, including the first frequency range, to the first base station via the communication interface; and send a second grant response, including the second frequency range, to the second base station via the communication interface. a communication interface; and an electronic processor coupled to the communication interface and configured to send a proxy spectrum inquiry request to a spectrum management entity via the communication interface; receive, from the spectrum management entity via the communication interface, a proxy spectrum inquiry response including a spectrum allocation, the spectrum allocation including an allocation frequency range; determine, based on a desired inter-cell interference coordination scheme, a first frequency range for a first base station, and a second frequency range for a second base station, the first and second frequency ranges being distinct from each other and bounded by the allocation frequency range; send a first spectrum inquiry response, including the first frequency range, to the first base station via the communication interface; send a second spectrum inquiry response, including the second frequency range, to the second base station via the communication interface; send a proxy grant request based on the first and second frequency ranges to the spectrum management entity via the communication interface; receive a proxy grant response based on the proxy grant request from the spectrum management entity via the communication interface; send a first grant response, including the first frequency range, to the first base station via the communication interface; and send a second grant response, including the second frequency range, to the second base station via the communication interface. send a proxy spectrum inquiry request to a spectrum management entity via the communication interface; receive, from the spectrum management entity via the communication interface, a proxy spectrum inquiry response including a spectrum allocation, the spectrum allocation including an allocation frequency range; determine, based on a desired inter-cell interference coordination scheme, a first frequency range for a first base station, and a second frequency range for a second base station, the first and second frequency ranges being distinct from each other and bounded by the allocation frequency range; send a first spectrum inquiry response, including the first frequency range, to the first base station via the communication interface; send a second spectrum inquiry response, including the second frequency range, to the second base station via the communication interface; send a proxy grant request based on the first and second frequency ranges to the spectrum management entity via the communication interface; receive a proxy grant response based on the proxy grant request from the spectrum management entity via the communication interface; send a first grant response, including the first frequency range, to the first base station via the communication interface; and send a second grant response, including the second frequency range, to the second base station via the communication interface.