'nipap address view' now shows correct prefix
'nipap address view' now shows correct prefix

Fixes an issue with the 'nipap address view' CLI command did not show
the correct prefix if used on a host prefix with other host prefixes
before it in the assignment.

Fixes #414

bbaja42/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,plajjan/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,garberg/NIPAP,fredsod/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,garberg/NIPAP,ettrig/NIPAP,fredsod/NIPAP,plajjan/NIPAP,fredsod/NIPAP,ettrig/NIPAP,fredsod/NIPAP,plajjan/NIPAP,ettrig/NIPAP,fredsod/NIPAP,garberg/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP