A method, comprising: a first determining that a first range of internet protocol addresses corresponds to a first scope; a first displaying a first visual representation of the first scope, wherein the first visual representation comprises a first displayed bar, the length of the first displayed bar represents the span of the first scope, and each internet protocol address of the first scope has a representative position within the first displayed bar; a second determining that a second range of internet protocol addresses corresponds to a second scope; and a second displaying a second visual representation of the second scope, wherein the second visual representation comprises a second displayed bar, the length of the second displayed bar represents the span of the second scope, and each internet protocol address of the second scope has a representative position within the second displayed bar, characterized by further comprising: a third determining that a third range of internet protocol addresses corresponds to a range of internet protocol addresses that are common to the first scope and the second scope; and a third displaying a third visual representation of the third range, wherein the third visual representation comprises a third displayed bar, the length of the third displayed bar represents the span of the third range, and each internet protocol address of the third range has a representative position within the third displayed bar, and the third displayed bar is separate from the first and second displayed bars. a first determining that a first range of internet protocol addresses corresponds to a first scope; a first displaying a first visual representation of the first scope, wherein the first visual representation comprises a first displayed bar, the length of the first displayed bar represents the span of the first scope, and each internet protocol address of the first scope has a representative position within the first displayed bar; a second determining that a second range of internet protocol addresses corresponds to a second scope; and a second displaying a second visual representation of the second scope, wherein the second visual representation comprises a second displayed bar, the length of the second displayed bar represents the span of the second scope, and each internet protocol address of the second scope has a representative position within the second displayed bar, characterized by further comprising: a third determining that a third range of internet protocol addresses corresponds to a range of internet protocol addresses that are common to the first scope and the second scope; and a third displaying a third visual representation of the third range, wherein the third visual representation comprises a third displayed bar, the length of the third displayed bar represents the span of the third range, and each internet protocol address of the third range has a representative position within the third displayed bar, and the third displayed bar is separate from the first and second displayed bars. a third determining that a third range of internet protocol addresses corresponds to a range of internet protocol addresses that are common to the first scope and the second scope; and a third displaying a third visual representation of the third range, wherein the third visual representation comprises a third displayed bar, the length of the third displayed bar represents the span of the third range, and each internet protocol address of the third range has a representative position within the third displayed bar, and the third displayed bar is separate from the first and second displayed bars.