From what have read in the publications around nz in the past, i thought telstraclear didnot invest much infrastructure in New zealand rather than lay down some cable in Wellington and CHCH CBD areas. and i also know they have limited networks in Auckland, Glenfield area.
But when i checking in Broadband.govt.nz, you get the following map:

i used to think FX networks owns the second longest fibre network in NZ after Chorus, can someone help to understand this?